Merge branch 'master' into nodeFactory-merge

2025-11-18 17:21:48 +00:00 · 2020-05-07 19:00:13 -07:00
parent ae7c638296 ba02f4303e
commit 086633f4db
6908 changed files with 466983 additions and 159196 deletions
@@ -1,4 +1,4 @@
 /built/local/**
 /tests/**
 /lib/**
-/src/lib/*.generated.d.ts
+/src/lib/*.generated.d.ts
@@ -26,6 +26,10 @@
        "@typescript-eslint/no-inferrable-types": "error",
        "@typescript-eslint/no-misused-new": "error",
        "@typescript-eslint/no-this-alias": "error",
+
+        "no-unused-expressions": "off",
+        "@typescript-eslint/no-unused-expressions": ["error", { "allowTernary": true }],
+
        "@typescript-eslint/prefer-for-of": "error",
        "@typescript-eslint/prefer-function-type": "error",
        "@typescript-eslint/prefer-namespace-keyword": "error",
@@ -36,6 +40,13 @@
        "semi": "off",
        "@typescript-eslint/semi": "error",

+        "space-before-function-paren": "off",
+        "@typescript-eslint/space-before-function-paren": ["error", {
+            "asyncArrow": "always",
+            "anonymous": "always",
+            "named": "never"
+        }],
+
        "@typescript-eslint/triple-slash-reference": "error",
        "@typescript-eslint/type-annotation-spacing": "error",
        "@typescript-eslint/unified-signatures": "error",
@@ -54,6 +65,7 @@
        "simple-indent": "error",
        "debug-assert": "error",
        "no-keywords": "error",
+        "one-namespace-per-file": "error",

        // eslint-plugin-import
        "import/no-extraneous-dependencies": ["error", { "optionalDependencies": false }],
@@ -96,7 +108,6 @@
        "no-trailing-spaces": "error",
        "no-undef-init": "error",
        "no-unsafe-finally": "error",
-        "no-unused-expressions": ["error", { "allowTernary": true }],
        "no-unused-labels": "error",
        "no-var": "error",
        "object-shorthand": "error",
@@ -1,8 +1,19 @@
+--- 
 blank_issues_enabled: false
-contact_links:
-  - name: Question
-    url: https://stackoverflow.com/questions/tagged/typescript
-    about: Please ask and answer questions here.
-  - name: TypeScript FAQ
-    url: https://github.com/microsoft/TypeScript/wiki/FAQ
-    about: Please check the FAQ before filing new issues
+contact_links: 
+  - 
+    about: "Please ask and answer usage questions on Stack Overflow."
+    name: Question
+    url: "https://stackoverflow.com/questions/tagged/typescript"
+  - 
+    about: "Alternatively, you can use the TypeScript Community Discord."
+    name: Chat
+    url: "https://discord.gg/typescript"
+  - 
+    about: "Please check the FAQ before filing new issues"
+    name: "TypeScript FAQ"
+    url: "https://github.com/microsoft/TypeScript/wiki/FAQ"
+  - 
+    about: "Please raise issues about the site on its own repo."
+    name: Website
+    url: "https://github.com/microsoft/TypeScript-Website/issues/new"
@@ -0,0 +1,8 @@
+sandersn
+elibarzilay
+weswigham
+andrewbranch
+RyanCavanaugh
+sheetalkamat
+orta
+rbuckton
@@ -16,7 +16,7 @@ jobs:

    strategy:
      matrix:
-        node-version: [8.x, 10.x, 12.x]
+        node-version: [10.x, 12.x, 13.x]

    steps:
    - uses: actions/checkout@v1
@@ -35,3 +35,7 @@ jobs:
        npm install
        npm update
        npm test
+        
+    - name: Validate the browser can import TypeScript
+      run: gulp test-browser-integration
+    
@@ -0,0 +1,38 @@
+name: New Release Branch
+
+on:
+  repository_dispatch:
+    types: new-release-branch
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Use node version 12.x
+      uses: actions/setup-node@v1
+      with:
+        node-version: 12.x
+    - uses: actions/checkout@v2
+      with:
+        fetch-depth: 5
+    - run: |
+        git checkout -b ${{ github.event.client_payload.branch_name }}
+        sed -i -e 's/"version": ".*"/"version": "${{ github.event.client_payload.package_version }}"/g' package.json
+        sed -i -e 's/const versionMajorMinor = ".*"/const versionMajorMinor = "${{ github.event.client_payload.core_major_minor }}"/g' src/compiler/corePublic.ts
+        sed -i -e 's/const versionMajorMinor = ".*"/const versionMajorMinor = "${{ github.event.client_payload.core_major_minor }}"/g' tests/baselines/reference/api/typescript.d.ts
+        sed -i -e 's/const versionMajorMinor = ".*"/const versionMajorMinor = "${{ github.event.client_payload.core_major_minor }}"/g' tests/baselines/reference/api/tsserverlibrary.d.ts
+        sed -i -e 's/const version = `${versionMajorMinor}.0-.*`/const version = `${versionMajorMinor}.0-${{ github.event.client_payload.core_tag || 'dev' }}`/g' src/compiler/corePublic.ts
+        npm install
+        gulp LKG
+        npm test
+        git diff
+        git add package.json
+        git add src/compiler/corePublic.ts
+        git add tests/baselines/reference/api/typescript.d.ts
+        git add tests/baselines/reference/api/tsserverlibrary.d.ts
+        git add ./lib
+        git config user.email "ts_bot@rcavanaugh.com"
+        git config user.name "TypeScript Bot"
+        git commit -m 'Bump version to ${{ github.event.client_payload.package_version }} and LKG'
+        git push --set-upstream origin ${{ github.event.client_payload.branch_name }}
@@ -0,0 +1,32 @@
+name: Publish Nightly
+
+on:
+  schedule:
+    - cron:  '0 7 * * *'
+  repository_dispatch:
+    types: publish-nightly
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use node version 12
+      uses: actions/setup-node@v1
+      with:
+        node-version: 12
+        registry-url: https://registry.npmjs.org/
+    - name: Setup and publish nightly
+      run: |
+        npm whoami
+        npm i
+        gulp configure-nightly
+        gulp LKG
+        gulp runtests-parallel
+        gulp clean
+        npm publish --tag next
+      env:
+        NODE_AUTH_TOKEN: ${{secrets.npm_token}}
+        CI: true
+    
@@ -0,0 +1,44 @@
+name: Create Releasable Package Drop
+
+on:
+  push:
+    branches:
+      - release-*
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use node version 12
+      uses: actions/setup-node@v1
+      with:
+        node-version: 12
+    - name: Remove existing TypeScript
+      run: |
+        npm uninstall typescript --no-save
+        npm uninstall tslint --no-save
+    - name: npm install and test
+      run: |
+        npm install
+        npm update
+        npm test
+      env:
+        CI: true
+    - name: Validate the browser can import TypeScript
+      run: gulp test-browser-integration
+    - name: LKG, clean, and pack
+      run: |
+        gulp LKG
+        gulp clean
+        npm pack ./
+        mv typescript-*.tgz typescript.tgz
+      env:
+        CI: true
+    - name: Upload built tarfile
+      uses: actions/upload-artifact@v1
+      with:
+        name: tgz
+        path: typescript.tgz
+    
@@ -0,0 +1,44 @@
+name: Set branch version
+
+on:
+  repository_dispatch:
+    types: set-version
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Use node version 12.x
+      uses: actions/setup-node@v1
+      with:
+        node-version: 12.x
+    - uses: actions/checkout@v2
+      with:
+        ref: ${{ github.event.client_payload.branch_name }}
+    # notably, this is essentially the same script as `new-release-branch.yaml` (with fewer inputs), but it assumes the branch already exists
+    # do note that executing the transform below will prevent the `configurePrerelease` script from running on the source, as it makes the
+    # `version` identifier no longer match the regex it uses
+    # required client_payload members:
+    # branch_name - the target branch
+    # package_version - the full version string (eg, `3.9.1-rc` or `3.9.2`)
+    # core_major_minor - the major.minor pair associated with the desired package_version (eg, `3.9` for `3.9.3`)
+    - run: |
+        sed -i -e 's/"version": ".*"/"version": "${{ github.event.client_payload.package_version }}"/g' package.json
+        sed -i -e 's/const versionMajorMinor = ".*"/const versionMajorMinor = "${{ github.event.client_payload.core_major_minor }}"/g' src/compiler/corePublic.ts
+        sed -i -e 's/const versionMajorMinor = ".*"/const versionMajorMinor = "${{ github.event.client_payload.core_major_minor }}"/g' tests/baselines/reference/api/typescript.d.ts
+        sed -i -e 's/const versionMajorMinor = ".*"/const versionMajorMinor = "${{ github.event.client_payload.core_major_minor }}"/g' tests/baselines/reference/api/tsserverlibrary.d.ts
+        sed -i -e 's/const version = .*;/const version = "${{ github.event.client_payload.package_version }}" as string;/g' src/compiler/corePublic.ts
+        npm install
+        gulp LKG
+        npm test
+        git diff
+        git add package.json
+        git add src/compiler/corePublic.ts
+        git add tests/baselines/reference/api/typescript.d.ts
+        git add tests/baselines/reference/api/tsserverlibrary.d.ts
+        git add ./lib
+        git config user.email "ts_bot@rcavanaugh.com"
+        git config user.name "TypeScript Bot"
+        git commit -m 'Bump version to ${{ github.event.client_payload.package_version }} and LKG'
+        git push
@@ -0,0 +1,29 @@
+name: Sync branch with master
+
+on:
+  repository_dispatch:
+    types: sync-branch
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Use node version 12.x
+      uses: actions/setup-node@v1
+      with:
+        node-version: 12.x
+    - uses: actions/checkout@v2
+      with:
+        ref: ${{ github.event.client_payload.branch_name }}
+    # This does a test post-merge and only pushes the result if the test succeeds
+    # required client_payload members:
+    # branch_name - the target branch
+    - run: |
+        git config user.email "ts_bot@rcavanaugh.com"
+        git config user.name "TypeScript Bot"
+        git fetch origin master
+        git merge master --no-ff
+        npm install
+        npm test
+        git push
@@ -53,6 +53,7 @@ scripts/processDiagnosticMessages.js
 scripts/produceLKG.js
 scripts/importDefinitelyTypedTests/importDefinitelyTypedTests.js
 scripts/generateLocalizedDiagnosticMessages.js
+scripts/request-pr-review.js
 scripts/*.js.map
 scripts/typings/
 coverage/
@@ -90,6 +91,7 @@ tests/cases/user/TypeScript-React-Native-Starter/TypeScript-React-Native-Starter
 tests/cases/user/TypeScript-Vue-Starter/TypeScript-Vue-Starter
 tests/cases/user/TypeScript-WeChat-Starter/TypeScript-WeChat-Starter
 tests/cases/user/create-react-app/create-react-app
+tests/cases/user/fp-ts/fp-ts
 tests/cases/user/webpack/webpack
 tests/cases/user/puppeteer/puppeteer
 tests/cases/user/axios-src/axios-src
@@ -1,6 +1,7 @@
 {
    "recommendations": [
-        "dbaeumer.vscode-eslint"
+        "dbaeumer.vscode-eslint",
+        "rbuckton.tsserver-live-reload"
    ],

    "unwantedRecommendations": [
@@ -43,7 +43,7 @@
      },
      "sourceMaps": true,
      "smartStep": true,
-      "preLaunchTask": "tests",
+      "preLaunchTask": "gulp: tests",
      "console": "integratedTerminal",
      "outFiles": [
        "${workspaceRoot}/built/local/run.js"
@@ -4,31 +4,42 @@
    "version": "2.0.0",
    "tasks": [
        {
-            "type": "shell",
-            "identifier": "local",
+            "type": "gulp",
            "label": "gulp: local",
-            "command": "gulp",
-            "args": ["local"],
-            "group": { "kind": "build", "isDefault": true },
-            "problemMatcher": ["$gulp-tsc"]
+            "task": "local",
+            "group": {
+                "kind": "build",
+                "isDefault": true
+            },
+            "problemMatcher": [
+                "$tsc"
+            ]
        },
        {
-            "type": "shell",
-            "identifier": "tsc",
+            "type": "gulp",
            "label": "gulp: tsc",
-            "command": "gulp",
-            "args": ["tsc"],
+            "task": "tsc",
            "group": "build",
-            "problemMatcher": ["$gulp-tsc"]
+            "problemMatcher": [
+                "$tsc"
+            ]
        },
        {
-            "type": "shell",
-            "identifier": "tests",
+            "type": "gulp",
            "label": "gulp: tests",
-            "command": "gulp",
-            "args": ["tests"],
+            "task": "tests",
            "group": "build",
-            "problemMatcher": ["$tsc"]
+            "problemMatcher": [
+                "$tsc"
+            ]
+        },
+        {
+            "type": "gulp",
+            "task": "services",
+            "label": "gulp: services",
+            "problemMatcher": [
+                "$tsc"
+            ],
        }
    ]
 }
@@ -1,348 +1,480 @@
 TypeScript is authored by:
-* Aaron Holmes
-* Abubaker Bashir
-* Adam Freidin
-* Adi Dahiya
-* Aditya Daflapurkar
-* Adnan Chowdhury 
-* Adrian Leonhard 
-* Adrien Gibrat 
-* Ahmad Farid
-* Akshar Patel
-* Alan Agius 
-* Alex Chugaev 
-* Alex Eagle
-* Alex Khomchenko 
-* Alex Ryan 
-* Alexander Kuvaev
-* Alexander Rusakov 
-* Alexander Tarasyuk
-* Ali Sabzevari
-* Aliaksandr Radzivanovich
-* Aluan Haddad 
-* Anatoly Ressin 
-* Anders Hejlsberg
-* Andreas Martin
-* Andrej Baran 
-* Andrew Casey 
-* Andrew Faulkner 
-* Andrew Ochsner 
-* Andrew Stegmaier 
-* Andrew Z Allen
-* András Parditka 
-* Andy Hanson
-* Anil Anar
-* Anton Khlynovskiy 
-* Anton Tolmachev
-* Anubha Mathur 
-* Armando Aguirre 
-* Arnaud Tournier 
-* Arnav Singh
-* Artem Tyurin 
-* Arthur Ozga
-* Asad Saeeduddin
-* Avery Morin
-* Basarat Ali Syed
-* @begincalendar
-* Ben Duffield
-* Ben Mosher 
-* Benjamin Bock 
-* Benjamin Lichtman 
-* Benny Neugebauer 
-* Bill Ticehurst
-* Blaine Bublitz 
-* Blake Embrey
-* @bluelovers
-* @bootstraponline
-* Bowden Kelly
-* Bowden Kenny
-* Brandon Slade 
-* Brett Mayen
-* Bryan Forbes
-* Caitlin Potter
-* Cameron Taggart 
-* @cedvdb
-* Charles Pierce 
-* Charly POLY 
-* Chris Bubernak
-* Christophe Vidal 
-* Chuck Jazdzewski
-* Colby Russell
-* Colin Snover
-* Cotton Hou 
-* Cyrus Najmabadi
-* Dafrok Zhang
-* Dahan Gong
-* Dan Corder
-* Dan Freeman 
-* Dan Quirk
-* Daniel Gooss
-* Daniel Hollocher
-* Daniel Król 
-* Daniel Lehenbauer
-* Daniel Rosenwasser
-* David Kmenta
-* David Li
-* David Sheldrick 
-* David Sherret 
-* David Souther
-* David Staheli 
-* Denis Nedelyaev
-* Derek P Sifford 
-* Dhruv Rajvanshi 
-* Dick van den Brink
-* Diogo Franco (Kovensky) 
-* Dirk Bäumer
-* Dirk Holtwick
-* Dom Chen 
-* Donald Pipowitch 
-* Doug Ilijev
-* @e-cloud
-* Ecole Keine
-* Elisée Maurer
-* Elizabeth Dinella 
-* Emilio García-Pumarino
-* Eric Grube 
-* Eric Tsang
-* Erik Edrosa
-* Erik McClenney 
-* Esakki Raj 
-* Ethan Resnick 
-* Ethan Rubio
-* Eugene Timokhov 
-* Evan Martin
-* Evan Sebastian
-* Eyas Sharaiha
-* Fabian Cook 
-* @falsandtru
-* Filipe Silva 
-* @flowmemo
-* Francois Wouts 
-* Frank Wallis
-* Franklin Tse
-* František Žiacik
-* Gabe Moothart 
-* Gabriel Isenberg
-* Gilad Peleg
-* Godfrey Chan 
-* Graeme Wicksted
-* Guilherme Oenning
-* Guillaume Salles
-* Guy Bedford
-* Halasi Tamás 
-* Harald Niesche
-* Hendrik Liebau 
-* Henry Mercer 
-* Herrington Darkholme
-* Holger Jeromin 
-* Homa Wong 
-* Iain Monro
-* @IdeaHunter
-* Igor Novozhilov
-* Ika 
-* Ingvar Stepanyan
-* Isiah Meadows
-* Ivan Enderlin 
-* Ivo Gabe de Wolff
-* Iwata Hidetaka 
-* Jack Williams 
-* Jakub Korzeniowski
-* Jakub Młokosiewicz 
-* James Henry 
-* James Whitney
-* Jan Melcher 
-* Jason Freeman
-* Jason Jarrett 
-* Jason Killian
-* Jason Ramsay
-* JBerger
-* Jed Mao
-* Jeffrey Morlan
-* Jesse Schalken
-* Jing Ma 
-* Jiri Tobisek
-* Joe Calzaretta 
-* Joe Chung 
-* Joel Day 
-* Joey Wilson
-* Johannes Rieken
-* John Doe 
-* John Vilk
-* Jonathan Bond-Caron
-* Jonathan Park
-* Jonathan Toland
-* Jonathan Turner
-* Jonathon Smith
-* Jordi Oliveras Rovira 
-* Joscha Feth 
-* Josh Abernathy 
-* Josh Goldberg 
-* Josh Kalderimis
-* Josh Soref
-* Juan Luis Boya García
-* Julian Williams
-* Justin Bay 
-* Justin Johansson 
-* K. Preißer
-* Kagami Sascha Rosylight
-* Kanchalai Tanglertsampan
-* Kate Miháliková 
-* Keith Mashinter
-* Ken Howard
-* Kenji Imamula
-* Kerem Kat
-* Kevin Donnelly 
-* Kevin Gibbons 
-* Kevin Lang 
-* Khải 
-* Kitson Kelly 
-* Klaus Meinhardt 
-* Kris Zyp 
-* Kyle Kelley
-* Kārlis Gaņģis
-* Lorant Pinter
-* Lucien Greathouse
-* Lukas Elmer 
-* Maarten Sijm 
-* Magnus Hiie 
-* Magnus Kulke 
-* Manish Giri
-* Marin Marinov
-* Marius Schulz 
-* Markus Johnsson 
-* Martin Hiller 
-* Martin Probst 
-* Martin Vseticka
-* Martyn Janes 
-* Masahiro Wakame
-* Mateusz Burzyński 
-* Matt Bierner 
-* Matt McCutchen
-* Matt Mitchell 
-* Mattias Buelens
-* Mattias Buelens 
-* Max Deepfield
-* Maxwell Paul Brickner 
-* @meyer
-* Micah Zoltu
-* @micbou
-* Michael 
-* Michael Bromley
-* Mike Busyrev 
-* Mike Morearty 
-* Mine Starks 
-* Mohamed Hegazy
-* Mohsen Azimi 
-* Myles Megyesi 
-* Nathan Shively-Sanders
-* Nathan Yee
-* Nicolas Henry
-* Nicu Micleușanu
-* @nieltg
-* Nima Zahedi
-* Noah Chen 
-* Noel Varanda 
-* Noj Vek
-* Oleg Mihailik
-* Oleksandr Chekhovskyi
-* Omer Sheikh 
-* Orta Therox
-* Oskar Segersva¨rd
-* Oussama Ben Brahim 
-* Patrick Zhong
-* Paul Jolly
-* Paul Koerbitz 
-* Paul van Brenk
-* @pcbro
-* Pedro Maltez
-* Perry Jiang
-* Peter Burns
-* Philip Bulley
-* Philippe Voinov 
-* Pi Lanningham 
-* Piero Cangianiello
-* @piloopin
-* Prayag Verma
-* Priyantha Lankapura 
-* @progre
-* Punya Biswal
-* Rado Kirov
-* Raj Dosanjh
-* Reiner Dolp 
-* Remo H. Jansen 
-* @rhysd
-* Ricardo N Feliciano 
-* Richard Karmazín 
-* Richard Knoll
-* Richard Sentino
-* Robert Coie
-* Rohit Verma
-* Ron Buckton
-* Rostislav Galimsky 
-* Rowan Wyborn
-* Ryan Cavanaugh
-* Ryohei Ikegami
-* Sam Bostock 
-* Sam El-Husseini 
-* Sarangan Rajamanickam
-* Sean Barag 
-* Sergey Rubanov
-* Sergey Shandar 
-* Sergii Bezliudnyi 
-* Sharon Rolel 
-* Sheetal Nandi
-* Shengping Zhong
-* Shyyko Serhiy
-* Simon Hürlimann
-* Slawomir Sadziak 
-* Solal Pirelli
-* Soo Jae Hwang 
-* Stan Thomas
-* Stanislav Iliev 
-* Stanislav Sysoev
-* Stas Vilchik 
-* Stephan Ginthör 
-* Steve Lucco
-* @styfle
-* Sudheesh Singanamalla 
-* Sébastien Arod
-* @T18970237136
-* @t_
-* Taras Mankovski 
-* Tarik Ozket
-* Tetsuharu Ohzeki
-* Thomas den Hollander 
-* Thomas Loubiou
-* Tien Hoanhtien
-* Tim Lancina 
-* Tim Perry
-* Tim Viiding-Spader
-* Tingan Ho
-* Todd Thomson
-* togru
-* Tomas Grubliauskas
-* Torben Fitschen 
-* @TravCav
-* TruongSinh Tran-Nguyen
-* Tycho Grouwstra 
-* Vadi Taslim 
-* Vakhurin Sergey 
-* Vidar Tonaas Fauske
-* Viktor Zozulyak
-* Vilic Vane
-* Vimal Raghubir 
-* Vladimir Kurchatkin 
-* Vladimir Matveev
-* Vyacheslav Pukhanov 
-* Wenlu Wang 
-* Wesley Wigham
-* William Orr 
-* Wilson Hobbs 
-* York Yao
-* @yortus
-* Yuichi Nukiyama
-* Yuval Greenfield 
-* Zeeshan Ahmed 
-* Zev Spitz
-* Zhengbo Li
-* @Zzzen
+
+ - 0verk1ll
+ - Abubaker Bashir
+ - Adam Freidin
+ - Adam Postma
+ - Adi Dahiya
+ - Aditya Daflapurkar
+ - Adnan Chowdhury
+ - Adrian Leonhard
+ - Adrien Gibrat
+ - Ahmad Farid
+ - Ajay Poshak
+ - Alan Agius
+ - Alan Pierce
+ - Alessandro Vergani
+ - Alex Chugaev
+ - Alex Eagle
+ - Alex Khomchenko
+ - Alex Ryan
+ - Alexander
+ - Alexander Kuvaev
+ - Alexander Rusakov
+ - Alexander Tarasyuk
+ - Ali Sabzevari
+ - Aluan Haddad
+ - amaksimovich2
+ - Anatoly Ressin
+ - Anders Hejlsberg
+ - Anders Kaseorg
+ - Andre Sutherland
+ - Andreas Martin
+ - Andrej Baran
+ - Andrew
+ - Andrew Branch
+ - Andrew Casey
+ - Andrew Faulkner
+ - Andrew Ochsner
+ - Andrew Stegmaier
+ - Andrew Z Allen
+ - Andrey Roenko
+ - Andrii Dieiev
+ - András Parditka
+ - Andy Hanson
+ - Anil Anar
+ - Anix
+ - Anton Khlynovskiy
+ - Anton Tolmachev
+ - Anubha Mathur
+ - AnyhowStep
+ - Armando Aguirre
+ - Arnaud Tournier
+ - Arnav Singh
+ - Arpad Borsos
+ - Artem Tyurin
+ - Arthur Ozga
+ - Asad Saeeduddin
+ - Austin Cummings
+ - Avery Morin
+ - Aziz Khambati
+ - Basarat Ali Syed
+ - @begincalendar
+ - Ben Duffield
+ - Ben Lichtman
+ - Ben Mosher
+ - Benedikt Meurer
+ - Benjamin Bock
+ - Benjamin Lichtman
+ - Benny Neugebauer
+ - BigAru
+ - Bill Ticehurst
+ - Blaine Bublitz
+ - Blake Embrey
+ - @bluelovers
+ - @bootstraponline
+ - Bowden Kelly
+ - Bowden Kenny
+ - Brad Zacher
+ - Brandon Banks
+ - Brandon Bloom
+ - Brandon Slade
+ - Brendan Kenny
+ - Brett Mayen
+ - Brian Terlson
+ - Bryan Forbes
+ - Caitlin Potter
+ - Caleb Sander
+ - Cameron Taggart
+ - @cedvdb
+ - Charles
+ - Charles Pierce
+ - Charly POLY
+ - Chris Bubernak
+ - Chris Patterson
+ - christian
+ - Christophe Vidal
+ - Chuck Jazdzewski
+ - Clay Miller
+ - Colby Russell
+ - Colin Snover
+ - Collins Abitekaniza
+ - Connor Clark
+ - Cotton Hou
+ - csigs
+ - Cyrus Najmabadi
+ - Dafrok Zhang
+ - Dahan Gong
+ - Daiki Nishikawa
+ - Dan Corder
+ - Dan Freeman
+ - Dan Quirk
+ - Dan Rollo
+ - Daniel Gooss
+ - Daniel Imms
+ - Daniel Krom
+ - Daniel Król
+ - Daniel Lehenbauer
+ - Daniel Rosenwasser
+ - David Li
+ - David Sheldrick
+ - David Sherret
+ - David Souther
+ - David Staheli
+ - Denis Nedelyaev
+ - Derek P Sifford
+ - Dhruv Rajvanshi
+ - Dick van den Brink
+ - Diogo Franco (Kovensky)
+ - Dirk Bäumer
+ - Dirk Holtwick
+ - Dmitrijs Minajevs
+ - Dom Chen
+ - Donald Pipowitch
+ - Doug Ilijev
+ - dreamran43@gmail.com
+ - @e-cloud
+ - Ecole Keine
+ - Eddie Jaoude
+ - Edward Thomson
+ - EECOLOR
+ - Eli Barzilay
+ - Elizabeth Dinella
+ - Ely Alamillo
+ - Eric Grube
+ - Eric Tsang
+ - Erik Edrosa
+ - Erik McClenney
+ - Esakki Raj
+ - Ethan Resnick
+ - Ethan Rubio
+ - Eugene Timokhov
+ - Evan Cahill
+ - Evan Martin
+ - Evan Sebastian
+ - ExE Boss
+ - Eyas Sharaiha
+ - Fabian Cook
+ - @falsandtru
+ - Filipe Silva
+ - @flowmemo
+ - Forbes Lindesay
+ - Francois Hendriks
+ - Francois Wouts
+ - Frank Wallis
+ - František Žiacik
+ - Frederico Bittencourt
+ - fullheightcoding
+ - Gabe Moothart
+ - Gabriel Isenberg
+ - Gabriela Araujo Britto
+ - Gabriela Britto
+ - gb714us
+ - Gilad Peleg
+ - Godfrey Chan
+ - Gorka Hernández Estomba
+ - Graeme Wicksted
+ - Guillaume Salles
+ - Guy Bedford
+ - hafiz
+ - Halasi Tamás
+ - Hendrik Liebau
+ - Henry Mercer
+ - Herrington Darkholme
+ - Hoang Pham
+ - Holger Jeromin
+ - Homa Wong
+ - Hye Sung Jung
+ - Iain Monro
+ - @IdeaHunter
+ - Igor Novozhilov
+ - Igor Oleinikov
+ - Ika
+ - iliashkolyar
+ - IllusionMH
+ - Ingvar Stepanyan
+ - Ingvar Stepanyan
+ - Isiah Meadows
+ - ispedals
+ - Ivan Enderlin
+ - Ivo Gabe de Wolff
+ - Iwata Hidetaka
+ - Jack Bates
+ - Jack Williams
+ - Jake Boone
+ - Jakub Korzeniowski
+ - Jakub Młokosiewicz
+ - James Henry
+ - James Keane
+ - James Whitney
+ - Jan Melcher
+ - Jason Freeman
+ - Jason Jarrett
+ - Jason Killian
+ - Jason Ramsay
+ - JBerger
+ - Jean Pierre
+ - Jed Mao
+ - Jeff Wilcox
+ - Jeffrey Morlan
+ - Jesse Schalken
+ - Jesse Trinity
+ - Jing Ma
+ - Jiri Tobisek
+ - Joe Calzaretta
+ - Joe Chung
+ - Joel Day
+ - Joey Watts
+ - Johannes Rieken
+ - John Doe
+ - John Vilk
+ - Jonathan Bond-Caron
+ - Jonathan Park
+ - Jonathan Toland
+ - Jordan Harband
+ - Jordi Oliveras Rovira
+ - Joscha Feth
+ - Joseph Wunderlich
+ - Josh Abernathy
+ - Josh Goldberg
+ - Josh Kalderimis
+ - Josh Soref
+ - Juan Luis Boya García
+ - Julian Williams
+ - Justin Bay
+ - Justin Johansson
+ - jwbay
+ - K. Preißer
+ - Kagami Sascha Rosylight
+ - Kanchalai Tanglertsampan
+ - karthikkp
+ - Kate Miháliková
+ - Keen Yee Liau
+ - Keith Mashinter
+ - Ken Howard
+ - Kenji Imamula
+ - Kerem Kat
+ - Kevin Donnelly
+ - Kevin Gibbons
+ - Kevin Lang
+ - Khải
+ - Kitson Kelly
+ - Klaus Meinhardt
+ - Kris Zyp
+ - Kyle Kelley
+ - Kārlis Gaņģis
+ - laoxiong
+ - Leon Aves
+ - Limon Monte
+ - Lorant Pinter
+ - Lucien Greathouse
+ - Luka Hartwig
+ - Lukas Elmer
+ - M.Yoshimura
+ - Maarten Sijm
+ - Magnus Hiie
+ - Magnus Kulke
+ - Manish Bansal
+ - Manish Giri
+ - Marcus Noble
+ - Marin Marinov
+ - Marius Schulz
+ - Markus Johnsson
+ - Markus Wolf
+ - Martin
+ - Martin Hiller
+ - Martin Johns
+ - Martin Probst
+ - Martin Vseticka
+ - Martyn Janes
+ - Masahiro Wakame
+ - Mateusz Burzyński
+ - Matt Bierner
+ - Matt McCutchen
+ - Matt Mitchell
+ - Matthew Aynalem
+ - Matthew Miller
+ - Mattias Buelens
+ - Max Heiber
+ - Maxwell Paul Brickner
+ - @meyer
+ - Micah Zoltu
+ - @micbou
+ - Michael
+ - Michael Crane
+ - Michael Henderson
+ - Michael Tamm
+ - Michael Tang
+ - Michal Przybys
+ - Mike Busyrev
+ - Mike Morearty
+ - Milosz Piechocki
+ - Mine Starks
+ - Minh Nguyen
+ - Mohamed Hegazy
+ - Mohsen Azimi
+ - Mukesh Prasad
+ - Myles Megyesi
+ - Nathan Day
+ - Nathan Fenner
+ - Nathan Shively-Sanders
+ - Nathan Yee
+ - ncoley
+ - Nicholas Yang
+ - Nicu Micleușanu
+ - @nieltg
+ - Nima Zahedi
+ - Noah Chen
+ - Noel Varanda
+ - Noel Yoo
+ - Noj Vek
+ - nrcoley
+ - Nuno Arruda
+ - Oleg Mihailik
+ - Oleksandr Chekhovskyi
+ - Omer Sheikh
+ - Orta Therox
+ - Orta Therox
+ - Oskar Grunning
+ - Oskar Segersva¨rd
+ - Oussama Ben Brahim
+ - Ozair Patel
+ - Patrick McCartney
+ - Patrick Zhong
+ - Paul Koerbitz
+ - Paul van Brenk
+ - @pcbro
+ - Pedro Maltez
+ - Pete Bacon Darwin
+ - Peter Burns
+ - Peter Šándor
+ - Philip Pesca
+ - Philippe Voinov
+ - Pi Lanningham
+ - Piero Cangianiello
+ - Pierre-Antoine Mills
+ - @piloopin
+ - Pranav Senthilnathan
+ - Prateek Goel
+ - Prateek Nayak
+ - Prayag Verma
+ - Priyantha Lankapura
+ - @progre
+ - Punya Biswal
+ - r7kamura
+ - Rado Kirov
+ - Raj Dosanjh
+ - rChaser53
+ - Reiner Dolp
+ - Remo H. Jansen
+ - @rflorian
+ - Rhys van der Waerden
+ - @rhysd
+ - Ricardo N Feliciano
+ - Richard Karmazín
+ - Richard Knoll
+ - Roger Spratley
+ - Ron Buckton
+ - Rostislav Galimsky
+ - Rowan Wyborn
+ - rpgeeganage
+ - Ruwan Pradeep Geeganage
+ - Ryan Cavanaugh
+ - Ryan Clarke
+ - Ryohei Ikegami
+ - Salisbury, Tom
+ - Sam Bostock
+ - Sam Drugan
+ - Sam El-Husseini
+ - Sam Lanning
+ - Sangmin Lee
+ - Sanket Mishra
+ - Sarangan Rajamanickam
+ - Sasha Joseph
+ - Sean Barag
+ - Sergey Rubanov
+ - Sergey Shandar
+ - Sergey Tychinin
+ - Sergii Bezliudnyi
+ - Sergio Baidon
+ - Sharon Rolel
+ - Sheetal Nandi
+ - Shengping Zhong
+ - Sheon Han
+ - Shyyko Serhiy
+ - Siddharth Singh
+ - sisisin
+ - Slawomir Sadziak
+ - Solal Pirelli
+ - Soo Jae Hwang
+ - Stan Thomas
+ - Stanislav Iliev
+ - Stanislav Sysoev
+ - Stas Vilchik
+ - Stephan Ginthör
+ - Steve Lucco
+ - @styfle
+ - Sudheesh Singanamalla
+ - Suhas
+ - Suhas Deshpande
+ - superkd37
+ - Sébastien Arod
+ - @T18970237136
+ - @t_
+ - Tan Li Hau
+ - Tapan Prakash
+ - Taras Mankovski
+ - Tarik Ozket
+ - Tetsuharu Ohzeki
+ - The Gitter Badger
+ - Thomas den Hollander
+ - Thorsten Ball
+ - Tien Hoanhtien
+ - Tim Lancina
+ - Tim Perry
+ - Tim Schaub
+ - Tim Suchanek
+ - Tim Viiding-Spader
+ - Tingan Ho
+ - Titian Cernicova-Dragomir
+ - tkondo
+ - Todd Thomson
+ - togru
+ - Tom J
+ - Torben Fitschen
+ - Toxyxer
+ - @TravCav
+ - Troy Tae
+ - TruongSinh Tran-Nguyen
+ - Tycho Grouwstra
+ - uhyo
+ - Vadi Taslim
+ - Vakhurin Sergey
+ - Valera Rozuvan
+ - Vilic Vane
+ - Vimal Raghubir
+ - Vladimir Kurchatkin
+ - Vladimir Matveev
+ - Vyacheslav Pukhanov
+ - Wenlu Wang
+ - Wes Souza
+ - Wesley Wigham
+ - William Orr
+ - Wilson Hobbs
+ - xiaofa
+ - xl1
+ - Yacine Hmito
+ - Yang Cao
+ - York Yao
+ - @yortus
+ - Yoshiki Shibukawa
+ - Yuichi Nukiyama
+ - Yuval Greenfield
+ - Yuya Tanaka
+ - Z
+ - Zeeshan Ahmed
+ - Zev Spitz
+ - Zhengbo Li
+ - Zixiang Li
+ - @Zzzen
+ - 阿卡琳
@@ -69,9 +69,7 @@ Design changes will not be accepted at this time. If you have a design change pr

 ## Legal

-You will need to complete a Contributor License Agreement (CLA). Briefly, this agreement testifies that you are granting us permission to use the submitted change according to the terms of the project's license, and that the work being submitted is under appropriate copyright.
-
-Please submit a Contributor License Agreement (CLA) before submitting a pull request. You may visit https://cla.microsoft.com to sign digitally. Alternatively, download the agreement ([Microsoft Contribution License Agreement.pdf](https://opensource.microsoft.com/pdf/microsoft-contribution-license-agreement.pdf)), sign, scan, and email it back to <cla@microsoft.com>. Be sure to include your GitHub user name along with the agreement. Once we have received the signed CLA, we'll review the request.
+You will need to complete a Contributor License Agreement (CLA). Briefly, this agreement testifies that you are granting us permission to use the submitted change according to the terms of the project's license, and that the work being submitted is under appropriate copyright. Upon submitting a pull request, you will automatically be given instructions on how to sign the CLA.

 ## Housekeeping

@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -22,6 +22,9 @@ const copyright = "CopyrightNotice.txt";
 const cleanTasks = [];

 const buildScripts = () => buildProject("scripts");
+task("scripts", buildScripts);
+task("scripts").description = "Builds files in the 'scripts' folder.";
+
 const cleanScripts = () => cleanProject("scripts");
 cleanTasks.push(cleanScripts);

@@ -346,8 +349,6 @@ const lintFoldEnd = async () => { if (fold.isTravis()) console.log(fold.end("lin

 /** @type { (folder: string) => { (): Promise<any>; displayName?: string } } */
 const eslint = (folder) => async () => {
-    const ESLINTRC_CI = ".eslintrc.ci.json";
-    const isCIEnv = cmdLineOptions.ci || process.env.CI === "true";

    const args = [
        "node_modules/eslint/bin/eslint",
@@ -358,13 +359,6 @@ const eslint = (folder) => async () => {
        "--ext", ".ts",
    ];

-    if (
-        isCIEnv &&
-        fs.existsSync(path.resolve(folder, ESLINTRC_CI))
-    ) {
-        args.push("--config", path.resolve(folder, ESLINTRC_CI));
-    }
-
    if (cmdLineOptions.fix) {
        args.push("--fix");
    }
@@ -417,7 +411,18 @@ task("generate-types-map", generateTypesMap);
 const cleanTypesMap = () => del("built/local/typesMap.json");
 cleanTasks.push(cleanTypesMap);

-const buildOtherOutputs = parallel(buildCancellationToken, buildTypingsInstaller, buildWatchGuard, generateTypesMap);
+// Drop a copy of diagnosticMessages.generated.json into the built/local folder. This allows
+// it to be synced to the Azure DevOps repo, so that it can get picked up by the build 
+// pipeline that generates the localization artifacts that are then fed into the translation process.
+const builtLocalDiagnosticMessagesGeneratedJson = "built/local/diagnosticMessages.generated.json";
+const copyBuiltLocalDiagnosticMessages = () => src(diagnosticMessagesGeneratedJson)
+    .pipe(newer(builtLocalDiagnosticMessagesGeneratedJson))
+    .pipe(dest("built/local"));
+
+const cleanBuiltLocalDiagnosticMessages = () => del(builtLocalDiagnosticMessagesGeneratedJson);
+cleanTasks.push(cleanBuiltLocalDiagnosticMessages);
+
+const buildOtherOutputs = parallel(buildCancellationToken, buildTypingsInstaller, buildWatchGuard, generateTypesMap, copyBuiltLocalDiagnosticMessages);
 task("other-outputs", series(preBuild, buildOtherOutputs));
 task("other-outputs").description = "Builds miscelaneous scripts and documents distributed with the LKG";

@@ -439,7 +444,7 @@ const generateCodeCoverage = () => exec("istanbul", ["cover", "node_modules/moch
 task("generate-code-coverage", series(preBuild, buildTests, generateCodeCoverage));
 task("generate-code-coverage").description = "Generates code coverage data via istanbul";

-const preTest = parallel(buildTests, buildServices, buildLssl);
+const preTest = parallel(buildTsc, buildTests, buildServices, buildLssl);
 preTest.displayName = "preTest";

 const postTest = (done) => cmdLineOptions.lint ? lint(done) : done();
@@ -465,7 +470,7 @@ task("runtests").flags = {
    "   --shardId": "1-based ID of this shard (default: 1)",
 };

-const runTestsParallel = () => runConsoleTests("built/local/run.js", "min", /*runInParallel*/ true, /*watchMode*/ false);
+const runTestsParallel = () => runConsoleTests("built/local/run.js", "min", /*runInParallel*/ cmdLineOptions.workers > 1, /*watchMode*/ false);
 task("runtests-parallel", series(preBuild, preTest, runTestsParallel, postTest));
 task("runtests-parallel").description = "Runs all the tests in parallel using the built run.js file.";
 task("runtests-parallel").flags = {
@@ -481,6 +486,11 @@ task("runtests-parallel").flags = {
    "   --shardId": "1-based ID of this shard (default: 1)",
 };

+
+task("test-browser-integration", () => exec(process.execPath, ["scripts/browserIntegrationTest.js"]));
+task("test-browser-integration").description = "Runs scripts/browserIntegrationTest.ts which tests that typescript.js loads in a browser";
+
+
 task("diff", () => exec(getDiffTool(), [refBaseline, localBaseline], { ignoreExitCode: true, waitForExit: false }));
 task("diff").description = "Diffs the compiler baselines using the diff tool specified by the 'DIFF' environment variable";

@@ -587,15 +597,15 @@ task("generate-spec").description = "Generates a Markdown version of the Languag
 task("clean", series(parallel(cleanTasks), cleanBuilt));
 task("clean").description = "Cleans build outputs";

-const configureNightly = () => exec(process.execPath, ["scripts/configurePrerelease.js", "dev", "package.json", "src/compiler/core.ts"]);
+const configureNightly = () => exec(process.execPath, ["scripts/configurePrerelease.js", "dev", "package.json", "src/compiler/corePublic.ts"]);
 task("configure-nightly", series(buildScripts, configureNightly));
 task("configure-nightly").description = "Runs scripts/configurePrerelease.ts to prepare a build for nightly publishing";

-const configureInsiders = () => exec(process.execPath, ["scripts/configurePrerelease.js", "insiders", "package.json", "src/compiler/core.ts"]);
+const configureInsiders = () => exec(process.execPath, ["scripts/configurePrerelease.js", "insiders", "package.json", "src/compiler/corePublic.ts"]);
 task("configure-insiders", series(buildScripts, configureInsiders));
 task("configure-insiders").description = "Runs scripts/configurePrerelease.ts to prepare a build for insiders publishing";

-const configureExperimental = () => exec(process.execPath, ["scripts/configurePrerelease.js", "experimental", "package.json", "src/compiler/core.ts"]);
+const configureExperimental = () => exec(process.execPath, ["scripts/configurePrerelease.js", "experimental", "package.json", "src/compiler/corePublic.ts"]);
 task("configure-experimental", series(buildScripts, configureExperimental));
 task("configure-experimental").description = "Runs scripts/configurePrerelease.ts to prepare a build for experimental publishing";

@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -17,13 +17,7 @@ and limitations under the License.
 "use strict";
 var fs = require("fs");
 function pipeExists(name) {
-    try {
-        fs.statSync(name);
-        return true;
-    }
-    catch (e) {
-        return false;
-    }
+    return fs.existsSync(name);
 }
 function createCancellationToken(args) {
    var cancellationPipeName;
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -29,10 +29,6 @@ interface AudioParam {
 interface AudioParamMap extends ReadonlyMap<string, AudioParam> {
 }

-interface AudioTrackList {
-    [Symbol.iterator](): IterableIterator<AudioTrack>;
-}
-
 interface BaseAudioContext {
    createIIRFilter(feedforward: Iterable<number>, feedback: Iterable<number>): IIRFilterNode;
    createPeriodicWave(real: Iterable<number>, imag: Iterable<number>, constraints?: PeriodicWaveConstraints): PeriodicWave;
@@ -245,7 +241,7 @@ interface SpeechRecognitionResultList {
 }

 interface StyleSheetList {
-    [Symbol.iterator](): IterableIterator<StyleSheet>;
+    [Symbol.iterator](): IterableIterator<CSSStyleSheet>;
 }

 interface TextTrackCueList {
@@ -280,10 +276,6 @@ interface VRDisplay {
    requestPresent(layers: Iterable<VRLayer>): Promise<void>;
 }

-interface VideoTrackList {
-    [Symbol.iterator](): IterableIterator<VideoTrack>;
-}
-
 interface WEBGL_draw_buffers {
    drawBuffersWEBGL(buffers: Iterable<GLenum>): void;
 }
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -62,6 +62,15 @@ interface Array<T> {
     * @param end If not specified, length of the this object is used as its default value.
     */
    copyWithin(target: number, start: number, end?: number): this;
+
+    /**
+     * Removes elements from an array and, if necessary, inserts new elements in their place, returning the deleted elements.
+     * @param start The zero-based location in the array from which to start removing elements.
+     * @param deleteCount The number of elements to remove. If deleteCount is omitted, or if its value is equal to or larger
+     * than array.length - start (that is, if it is equal to or greater than the number of elements left in the array,
+     * starting at start), then all the elements from start to the end of the array will be deleted.
+     */
+    splice(start: number, deleteCount?: number): T[];
 }

 interface ArrayConstructor {
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -220,15 +220,23 @@ interface PromiseConstructor {
    /**
     * Creates a Promise that is resolved with an array of results when all of the provided Promises
     * resolve, or rejected when any Promise is rejected.
-     * @param values An array of Promises.
+     * @param values An iterable of Promises.
     * @returns A new Promise.
     */
-    all<TAll>(values: Iterable<TAll | PromiseLike<TAll>>): Promise<TAll[]>;
+    all<T>(values: Iterable<T | PromiseLike<T>>): Promise<T[]>;

    /**
     * Creates a Promise that is resolved or rejected when any of the provided Promises are resolved
     * or rejected.
-     * @param values An array of Promises.
+     * @param values An iterable of Promises.
+     * @returns A new Promise.
+     */
+    race<T>(values: Iterable<T>): Promise<T extends PromiseLike<infer U> ? U : T>;
+
+    /**
+     * Creates a Promise that is resolved or rejected when any of the provided Promises are resolved
+     * or rejected.
+     * @param values An iterable of Promises.
     * @returns A new Promise.
     */
    race<T>(values: Iterable<T | PromiseLike<T>>): Promise<T>;
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -38,7 +38,7 @@ interface PromiseConstructor {
     * @param values An array of Promises.
     * @returns A new Promise.
     */
-    all<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike <T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>, T10 | PromiseLike<T10>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10]>;
+    all<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>, T10 | PromiseLike<T10>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10]>;

    /**
     * Creates a Promise that is resolved with an array of results when all of the provided Promises
@@ -46,7 +46,7 @@ interface PromiseConstructor {
     * @param values An array of Promises.
     * @returns A new Promise.
     */
-    all<T1, T2, T3, T4, T5, T6, T7, T8, T9>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike <T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8, T9]>;
+    all<T1, T2, T3, T4, T5, T6, T7, T8, T9>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8, T9]>;

    /**
     * Creates a Promise that is resolved with an array of results when all of the provided Promises
@@ -54,7 +54,7 @@ interface PromiseConstructor {
     * @param values An array of Promises.
     * @returns A new Promise.
     */
-    all<T1, T2, T3, T4, T5, T6, T7, T8>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike <T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8]>;
+    all<T1, T2, T3, T4, T5, T6, T7, T8>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8]>;

    /**
     * Creates a Promise that is resolved with an array of results when all of the provided Promises
@@ -62,7 +62,7 @@ interface PromiseConstructor {
     * @param values An array of Promises.
     * @returns A new Promise.
     */
-    all<T1, T2, T3, T4, T5, T6, T7>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike <T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>]): Promise<[T1, T2, T3, T4, T5, T6, T7]>;
+    all<T1, T2, T3, T4, T5, T6, T7>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>]): Promise<[T1, T2, T3, T4, T5, T6, T7]>;

    /**
     * Creates a Promise that is resolved with an array of results when all of the provided Promises
@@ -70,7 +70,7 @@ interface PromiseConstructor {
     * @param values An array of Promises.
     * @returns A new Promise.
     */
-    all<T1, T2, T3, T4, T5, T6>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike <T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>]): Promise<[T1, T2, T3, T4, T5, T6]>;
+    all<T1, T2, T3, T4, T5, T6>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>]): Promise<[T1, T2, T3, T4, T5, T6]>;

    /**
     * Creates a Promise that is resolved with an array of results when all of the provided Promises
@@ -78,7 +78,7 @@ interface PromiseConstructor {
     * @param values An array of Promises.
     * @returns A new Promise.
     */
-    all<T1, T2, T3, T4, T5>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike <T4>, T5 | PromiseLike<T5>]): Promise<[T1, T2, T3, T4, T5]>;
+    all<T1, T2, T3, T4, T5>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>]): Promise<[T1, T2, T3, T4, T5]>;

    /**
     * Creates a Promise that is resolved with an array of results when all of the provided Promises
@@ -86,7 +86,7 @@ interface PromiseConstructor {
     * @param values An array of Promises.
     * @returns A new Promise.
     */
-    all<T1, T2, T3, T4>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike <T4>]): Promise<[T1, T2, T3, T4]>;
+    all<T1, T2, T3, T4>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>]): Promise<[T1, T2, T3, T4]>;

    /**
     * Creates a Promise that is resolved with an array of results when all of the provided Promises
@@ -112,6 +112,9 @@ interface PromiseConstructor {
     */
    all<T>(values: readonly (T | PromiseLike<T>)[]): Promise<T[]>;

+    // see: lib.es2015.iterable.d.ts
+    // all<T>(values: Iterable<T | PromiseLike<T>>): Promise<T[]>;
+
    /**
     * Creates a Promise that is resolved or rejected when any of the provided Promises are resolved
     * or rejected.
@@ -120,13 +123,8 @@ interface PromiseConstructor {
     */
    race<T>(values: readonly T[]): Promise<T extends PromiseLike<infer U> ? U : T>;

-    /**
-     * Creates a Promise that is resolved or rejected when any of the provided Promises are resolved
-     * or rejected.
-     * @param values An iterable of Promises.
-     * @returns A new Promise.
-     */
-    race<T>(values: Iterable<T>): Promise<T extends PromiseLike<infer U> ? U : T>;
+    // see: lib.es2015.iterable.d.ts
+    // race<T>(values: Iterable<T>): Promise<T extends PromiseLike<infer U> ? U : T>;

    /**
     * Creates a new rejected promise for the provided reason.
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -227,7 +227,8 @@ interface RegExpConstructor {

 interface String {
    /**
-     * Matches a string an object that supports being matched against, and returns an array containing the results of that search.
+     * Matches a string or an object that supports being matched against, and returns an array
+     * containing the results of that search, or null if no matches are found.
     * @param matcher An object that supports being matched against.
     */
    match(matcher: { [Symbol.match](string: string): RegExpMatchArray | null; }): RegExpMatchArray | null;
@@ -315,4 +316,4 @@ interface SetConstructor {
 }
 interface ArrayBufferConstructor {
    readonly [Symbol.species]: ArrayBufferConstructor;
-}
+}
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -19,25 +19,35 @@ and limitations under the License.


 declare namespace Intl {
+
+    // http://cldr.unicode.org/index/cldr-spec/plural-rules#TOC-Determining-Plural-Categories
+    type LDMLPluralRule = "zero" | "one" | "two" | "few" | "many" | "other";
+    type PluralRuleType = "cardinal" | "ordinal";
+
    interface PluralRulesOptions {
        localeMatcher?: "lookup" | "best fit";
-        type?: "cardinal" | "ordinal";
+        type?: PluralRuleType;
+        minimumIntegerDigits?: number;
+        minimumFractionDigits?: number;
+        maximumFractionDigits?: number;
+        minimumSignificantDigits?: number;
+        maximumSignificantDigits?: number;
    }

    interface ResolvedPluralRulesOptions {
        locale: string;
-        pluralCategories: string[];
-        type: "cardinal" | "ordinal";
+        pluralCategories: LDMLPluralRule[];
+        type: PluralRuleType;
        minimumIntegerDigits: number;
        minimumFractionDigits: number;
        maximumFractionDigits: number;
-        minimumSignificantDigits: number;
-        maximumSignificantDigits: number;
+        minimumSignificantDigits?: number;
+        maximumSignificantDigits?: number;
    }

    interface PluralRules {
        resolvedOptions(): ResolvedPluralRulesOptions;
-        select(n: number): string;
+        select(n: number): LDMLPluralRule;
    }

    const PluralRules: {
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -25,7 +25,7 @@ interface ObjectConstructor {
     * Returns an object created by key-value entries for properties and methods
     * @param entries An iterable object that contains key-value entries for properties and methods.
     */
-    fromEntries<T = any>(entries: Iterable<readonly [PropertyKey, T]>): { [k in PropertyKey]: T };
+    fromEntries<T = any>(entries: Iterable<readonly [PropertyKey, T]>): { [k: string]: T };

    /**
     * Returns an object created by key-value entries for properties and methods
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -20,7 +20,7 @@ and limitations under the License.

 interface Symbol {
    /**
-     * expose the [[Description]] internal slot of a symbol directly
+     * Expose the [[Description]] internal slot of a symbol directly.
     */
-    readonly description: string;
+    readonly description: string | undefined;
 }
@@ -0,0 +1,635 @@
+/*! *****************************************************************************
+Copyright (c) Microsoft Corporation. All rights reserved.
+Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+this file except in compliance with the License. You may obtain a copy of the
+License at http://www.apache.org/licenses/LICENSE-2.0
+
+THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
+See the Apache Version 2.0 License for specific language governing permissions
+and limitations under the License.
+***************************************************************************** */
+
+
+
+/// <reference no-default-lib="true"/>
+
+
+interface BigInt {
+    /**
+     * Returns a string representation of an object.
+     * @param radix Specifies a radix for converting numeric values to strings.
+     */
+    toString(radix?: number): string;
+
+    /** Returns a string representation appropriate to the host environment's current locale. */
+    toLocaleString(): string;
+
+    /** Returns the primitive value of the specified object. */
+    valueOf(): bigint;
+
+    readonly [Symbol.toStringTag]: "BigInt";
+}
+
+interface BigIntConstructor {
+    (value?: any): bigint;
+    readonly prototype: BigInt;
+
+    /**
+     * Interprets the low bits of a BigInt as a 2's-complement signed integer.
+     * All higher bits are discarded.
+     * @param bits The number of low bits to use
+     * @param int The BigInt whose bits to extract
+     */
+    asIntN(bits: number, int: bigint): bigint;
+    /**
+     * Interprets the low bits of a BigInt as an unsigned integer.
+     * All higher bits are discarded.
+     * @param bits The number of low bits to use
+     * @param int The BigInt whose bits to extract
+     */
+    asUintN(bits: number, int: bigint): bigint;
+}
+
+declare var BigInt: BigIntConstructor;
+
+/**
+ * A typed array of 64-bit signed integer values. The contents are initialized to 0. If the
+ * requested number of bytes could not be allocated, an exception is raised.
+ */
+interface BigInt64Array {
+    /** The size in bytes of each element in the array. */
+    readonly BYTES_PER_ELEMENT: number;
+
+    /** The ArrayBuffer instance referenced by the array. */
+    readonly buffer: ArrayBufferLike;
+
+    /** The length in bytes of the array. */
+    readonly byteLength: number;
+
+    /** The offset in bytes of the array. */
+    readonly byteOffset: number;
+
+    /**
+     * Returns the this object after copying a section of the array identified by start and end
+     * to the same array starting at position target
+     * @param target If target is negative, it is treated as length+target where length is the
+     * length of the array.
+     * @param start If start is negative, it is treated as length+start. If end is negative, it
+     * is treated as length+end.
+     * @param end If not specified, length of the this object is used as its default value.
+     */
+    copyWithin(target: number, start: number, end?: number): this;
+
+    /** Yields index, value pairs for every entry in the array. */
+    entries(): IterableIterator<[number, bigint]>;
+
+    /**
+     * Determines whether all the members of an array satisfy the specified test.
+     * @param callbackfn A function that accepts up to three arguments. The every method calls
+     * the callbackfn function for each element in the array until the callbackfn returns false,
+     * or until the end of the array.
+     * @param thisArg An object to which the this keyword can refer in the callbackfn function.
+     * If thisArg is omitted, undefined is used as the this value.
+     */
+    every(callbackfn: (value: bigint, index: number, array: BigInt64Array) => boolean, thisArg?: any): boolean;
+
+    /**
+     * Returns the this object after filling the section identified by start and end with value
+     * @param value value to fill array section with
+     * @param start index to start filling the array at. If start is negative, it is treated as
+     * length+start where length is the length of the array.
+     * @param end index to stop filling the array at. If end is negative, it is treated as
+     * length+end.
+     */
+    fill(value: bigint, start?: number, end?: number): this;
+
+    /**
+     * Returns the elements of an array that meet the condition specified in a callback function.
+     * @param callbackfn A function that accepts up to three arguments. The filter method calls
+     * the callbackfn function one time for each element in the array.
+     * @param thisArg An object to which the this keyword can refer in the callbackfn function.
+     * If thisArg is omitted, undefined is used as the this value.
+     */
+    filter(callbackfn: (value: bigint, index: number, array: BigInt64Array) => any, thisArg?: any): BigInt64Array;
+
+    /**
+     * Returns the value of the first element in the array where predicate is true, and undefined
+     * otherwise.
+     * @param predicate find calls predicate once for each element of the array, in ascending
+     * order, until it finds one where predicate returns true. If such an element is found, find
+     * immediately returns that element value. Otherwise, find returns undefined.
+     * @param thisArg If provided, it will be used as the this value for each invocation of
+     * predicate. If it is not provided, undefined is used instead.
+     */
+    find(predicate: (value: bigint, index: number, array: BigInt64Array) => boolean, thisArg?: any): bigint | undefined;
+
+    /**
+     * Returns the index of the first element in the array where predicate is true, and -1
+     * otherwise.
+     * @param predicate find calls predicate once for each element of the array, in ascending
+     * order, until it finds one where predicate returns true. If such an element is found,
+     * findIndex immediately returns that element index. Otherwise, findIndex returns -1.
+     * @param thisArg If provided, it will be used as the this value for each invocation of
+     * predicate. If it is not provided, undefined is used instead.
+     */
+    findIndex(predicate: (value: bigint, index: number, array: BigInt64Array) => boolean, thisArg?: any): number;
+
+    /**
+     * Performs the specified action for each element in an array.
+     * @param callbackfn A function that accepts up to three arguments. forEach calls the
+     * callbackfn function one time for each element in the array.
+     * @param thisArg An object to which the this keyword can refer in the callbackfn function.
+     * If thisArg is omitted, undefined is used as the this value.
+     */
+    forEach(callbackfn: (value: bigint, index: number, array: BigInt64Array) => void, thisArg?: any): void;
+
+    /**
+     * Determines whether an array includes a certain element, returning true or false as appropriate.
+     * @param searchElement The element to search for.
+     * @param fromIndex The position in this array at which to begin searching for searchElement.
+     */
+    includes(searchElement: bigint, fromIndex?: number): boolean;
+
+    /**
+     * Returns the index of the first occurrence of a value in an array.
+     * @param searchElement The value to locate in the array.
+     * @param fromIndex The array index at which to begin the search. If fromIndex is omitted, the
+     * search starts at index 0.
+     */
+    indexOf(searchElement: bigint, fromIndex?: number): number;
+
+    /**
+     * Adds all the elements of an array separated by the specified separator string.
+     * @param separator A string used to separate one element of an array from the next in the
+     * resulting String. If omitted, the array elements are separated with a comma.
+     */
+    join(separator?: string): string;
+
+    /** Yields each index in the array. */
+    keys(): IterableIterator<number>;
+
+    /**
+     * Returns the index of the last occurrence of a value in an array.
+     * @param searchElement The value to locate in the array.
+     * @param fromIndex The array index at which to begin the search. If fromIndex is omitted, the
+     * search starts at index 0.
+     */
+    lastIndexOf(searchElement: bigint, fromIndex?: number): number;
+
+    /** The length of the array. */
+    readonly length: number;
+
+    /**
+     * Calls a defined callback function on each element of an array, and returns an array that
+     * contains the results.
+     * @param callbackfn A function that accepts up to three arguments. The map method calls the
+     * callbackfn function one time for each element in the array.
+     * @param thisArg An object to which the this keyword can refer in the callbackfn function.
+     * If thisArg is omitted, undefined is used as the this value.
+     */
+    map(callbackfn: (value: bigint, index: number, array: BigInt64Array) => bigint, thisArg?: any): BigInt64Array;
+
+    /**
+     * Calls the specified callback function for all the elements in an array. The return value of
+     * the callback function is the accumulated result, and is provided as an argument in the next
+     * call to the callback function.
+     * @param callbackfn A function that accepts up to four arguments. The reduce method calls the
+     * callbackfn function one time for each element in the array.
+     * @param initialValue If initialValue is specified, it is used as the initial value to start
+     * the accumulation. The first call to the callbackfn function provides this value as an argument
+     * instead of an array value.
+     */
+    reduce(callbackfn: (previousValue: bigint, currentValue: bigint, currentIndex: number, array: BigInt64Array) => bigint): bigint;
+
+    /**
+     * Calls the specified callback function for all the elements in an array. The return value of
+     * the callback function is the accumulated result, and is provided as an argument in the next
+     * call to the callback function.
+     * @param callbackfn A function that accepts up to four arguments. The reduce method calls the
+     * callbackfn function one time for each element in the array.
+     * @param initialValue If initialValue is specified, it is used as the initial value to start
+     * the accumulation. The first call to the callbackfn function provides this value as an argument
+     * instead of an array value.
+     */
+    reduce<U>(callbackfn: (previousValue: U, currentValue: bigint, currentIndex: number, array: BigInt64Array) => U, initialValue: U): U;
+
+    /**
+     * Calls the specified callback function for all the elements in an array, in descending order.
+     * The return value of the callback function is the accumulated result, and is provided as an
+     * argument in the next call to the callback function.
+     * @param callbackfn A function that accepts up to four arguments. The reduceRight method calls
+     * the callbackfn function one time for each element in the array.
+     * @param initialValue If initialValue is specified, it is used as the initial value to start
+     * the accumulation. The first call to the callbackfn function provides this value as an
+     * argument instead of an array value.
+     */
+    reduceRight(callbackfn: (previousValue: bigint, currentValue: bigint, currentIndex: number, array: BigInt64Array) => bigint): bigint;
+
+    /**
+     * Calls the specified callback function for all the elements in an array, in descending order.
+     * The return value of the callback function is the accumulated result, and is provided as an
+     * argument in the next call to the callback function.
+     * @param callbackfn A function that accepts up to four arguments. The reduceRight method calls
+     * the callbackfn function one time for each element in the array.
+     * @param initialValue If initialValue is specified, it is used as the initial value to start
+     * the accumulation. The first call to the callbackfn function provides this value as an argument
+     * instead of an array value.
+     */
+    reduceRight<U>(callbackfn: (previousValue: U, currentValue: bigint, currentIndex: number, array: BigInt64Array) => U, initialValue: U): U;
+
+    /** Reverses the elements in the array. */
+    reverse(): this;
+
+    /**
+     * Sets a value or an array of values.
+     * @param array A typed or untyped array of values to set.
+     * @param offset The index in the current array at which the values are to be written.
+     */
+    set(array: ArrayLike<bigint>, offset?: number): void;
+
+    /**
+     * Returns a section of an array.
+     * @param start The beginning of the specified portion of the array.
+     * @param end The end of the specified portion of the array.
+     */
+    slice(start?: number, end?: number): BigInt64Array;
+
+    /**
+     * Determines whether the specified callback function returns true for any element of an array.
+     * @param callbackfn A function that accepts up to three arguments. The some method calls the
+     * callbackfn function for each element in the array until the callbackfn returns true, or until
+     * the end of the array.
+     * @param thisArg An object to which the this keyword can refer in the callbackfn function.
+     * If thisArg is omitted, undefined is used as the this value.
+     */
+    some(callbackfn: (value: bigint, index: number, array: BigInt64Array) => boolean, thisArg?: any): boolean;
+
+    /**
+     * Sorts the array.
+     * @param compareFn The function used to determine the order of the elements. If omitted, the elements are sorted in ascending order.
+     */
+    sort(compareFn?: (a: bigint, b: bigint) => number | bigint): this;
+
+    /**
+     * Gets a new BigInt64Array view of the ArrayBuffer store for this array, referencing the elements
+     * at begin, inclusive, up to end, exclusive.
+     * @param begin The index of the beginning of the array.
+     * @param end The index of the end of the array.
+     */
+    subarray(begin?: number, end?: number): BigInt64Array;
+
+    /** Converts the array to a string by using the current locale. */
+    toLocaleString(): string;
+
+    /** Returns a string representation of the array. */
+    toString(): string;
+
+    /** Returns the primitive value of the specified object. */
+    valueOf(): BigInt64Array;
+
+    /** Yields each value in the array. */
+    values(): IterableIterator<bigint>;
+
+    [Symbol.iterator](): IterableIterator<bigint>;
+
+    readonly [Symbol.toStringTag]: "BigInt64Array";
+
+    [index: number]: bigint;
+}
+
+interface BigInt64ArrayConstructor {
+    readonly prototype: BigInt64Array;
+    new(length?: number): BigInt64Array;
+    new(array: Iterable<bigint>): BigInt64Array;
+    new(buffer: ArrayBufferLike, byteOffset?: number, length?: number): BigInt64Array;
+
+    /** The size in bytes of each element in the array. */
+    readonly BYTES_PER_ELEMENT: number;
+
+    /**
+     * Returns a new array from a set of elements.
+     * @param items A set of elements to include in the new array object.
+     */
+    of(...items: bigint[]): BigInt64Array;
+
+    /**
+     * Creates an array from an array-like or iterable object.
+     * @param arrayLike An array-like or iterable object to convert to an array.
+     * @param mapfn A mapping function to call on every element of the array.
+     * @param thisArg Value of 'this' used to invoke the mapfn.
+     */
+    from(arrayLike: ArrayLike<bigint>): BigInt64Array;
+    from<U>(arrayLike: ArrayLike<U>, mapfn: (v: U, k: number) => bigint, thisArg?: any): BigInt64Array;
+}
+
+declare var BigInt64Array: BigInt64ArrayConstructor;
+
+/**
+ * A typed array of 64-bit unsigned integer values. The contents are initialized to 0. If the
+ * requested number of bytes could not be allocated, an exception is raised.
+ */
+interface BigUint64Array {
+    /** The size in bytes of each element in the array. */
+    readonly BYTES_PER_ELEMENT: number;
+
+    /** The ArrayBuffer instance referenced by the array. */
+    readonly buffer: ArrayBufferLike;
+
+    /** The length in bytes of the array. */
+    readonly byteLength: number;
+
+    /** The offset in bytes of the array. */
+    readonly byteOffset: number;
+
+    /**
+     * Returns the this object after copying a section of the array identified by start and end
+     * to the same array starting at position target
+     * @param target If target is negative, it is treated as length+target where length is the
+     * length of the array.
+     * @param start If start is negative, it is treated as length+start. If end is negative, it
+     * is treated as length+end.
+     * @param end If not specified, length of the this object is used as its default value.
+     */
+    copyWithin(target: number, start: number, end?: number): this;
+
+    /** Yields index, value pairs for every entry in the array. */
+    entries(): IterableIterator<[number, bigint]>;
+
+    /**
+     * Determines whether all the members of an array satisfy the specified test.
+     * @param callbackfn A function that accepts up to three arguments. The every method calls
+     * the callbackfn function for each element in the array until the callbackfn returns false,
+     * or until the end of the array.
+     * @param thisArg An object to which the this keyword can refer in the callbackfn function.
+     * If thisArg is omitted, undefined is used as the this value.
+     */
+    every(callbackfn: (value: bigint, index: number, array: BigUint64Array) => boolean, thisArg?: any): boolean;
+
+    /**
+     * Returns the this object after filling the section identified by start and end with value
+     * @param value value to fill array section with
+     * @param start index to start filling the array at. If start is negative, it is treated as
+     * length+start where length is the length of the array.
+     * @param end index to stop filling the array at. If end is negative, it is treated as
+     * length+end.
+     */
+    fill(value: bigint, start?: number, end?: number): this;
+
+    /**
+     * Returns the elements of an array that meet the condition specified in a callback function.
+     * @param callbackfn A function that accepts up to three arguments. The filter method calls
+     * the callbackfn function one time for each element in the array.
+     * @param thisArg An object to which the this keyword can refer in the callbackfn function.
+     * If thisArg is omitted, undefined is used as the this value.
+     */
+    filter(callbackfn: (value: bigint, index: number, array: BigUint64Array) => any, thisArg?: any): BigUint64Array;
+
+    /**
+     * Returns the value of the first element in the array where predicate is true, and undefined
+     * otherwise.
+     * @param predicate find calls predicate once for each element of the array, in ascending
+     * order, until it finds one where predicate returns true. If such an element is found, find
+     * immediately returns that element value. Otherwise, find returns undefined.
+     * @param thisArg If provided, it will be used as the this value for each invocation of
+     * predicate. If it is not provided, undefined is used instead.
+     */
+    find(predicate: (value: bigint, index: number, array: BigUint64Array) => boolean, thisArg?: any): bigint | undefined;
+
+    /**
+     * Returns the index of the first element in the array where predicate is true, and -1
+     * otherwise.
+     * @param predicate find calls predicate once for each element of the array, in ascending
+     * order, until it finds one where predicate returns true. If such an element is found,
+     * findIndex immediately returns that element index. Otherwise, findIndex returns -1.
+     * @param thisArg If provided, it will be used as the this value for each invocation of
+     * predicate. If it is not provided, undefined is used instead.
+     */
+    findIndex(predicate: (value: bigint, index: number, array: BigUint64Array) => boolean, thisArg?: any): number;
+
+    /**
+     * Performs the specified action for each element in an array.
+     * @param callbackfn A function that accepts up to three arguments. forEach calls the
+     * callbackfn function one time for each element in the array.
+     * @param thisArg An object to which the this keyword can refer in the callbackfn function.
+     * If thisArg is omitted, undefined is used as the this value.
+     */
+    forEach(callbackfn: (value: bigint, index: number, array: BigUint64Array) => void, thisArg?: any): void;
+
+    /**
+     * Determines whether an array includes a certain element, returning true or false as appropriate.
+     * @param searchElement The element to search for.
+     * @param fromIndex The position in this array at which to begin searching for searchElement.
+     */
+    includes(searchElement: bigint, fromIndex?: number): boolean;
+
+    /**
+     * Returns the index of the first occurrence of a value in an array.
+     * @param searchElement The value to locate in the array.
+     * @param fromIndex The array index at which to begin the search. If fromIndex is omitted, the
+     * search starts at index 0.
+     */
+    indexOf(searchElement: bigint, fromIndex?: number): number;
+
+    /**
+     * Adds all the elements of an array separated by the specified separator string.
+     * @param separator A string used to separate one element of an array from the next in the
+     * resulting String. If omitted, the array elements are separated with a comma.
+     */
+    join(separator?: string): string;
+
+    /** Yields each index in the array. */
+    keys(): IterableIterator<number>;
+
+    /**
+     * Returns the index of the last occurrence of a value in an array.
+     * @param searchElement The value to locate in the array.
+     * @param fromIndex The array index at which to begin the search. If fromIndex is omitted, the
+     * search starts at index 0.
+     */
+    lastIndexOf(searchElement: bigint, fromIndex?: number): number;
+
+    /** The length of the array. */
+    readonly length: number;
+
+    /**
+     * Calls a defined callback function on each element of an array, and returns an array that
+     * contains the results.
+     * @param callbackfn A function that accepts up to three arguments. The map method calls the
+     * callbackfn function one time for each element in the array.
+     * @param thisArg An object to which the this keyword can refer in the callbackfn function.
+     * If thisArg is omitted, undefined is used as the this value.
+     */
+    map(callbackfn: (value: bigint, index: number, array: BigUint64Array) => bigint, thisArg?: any): BigUint64Array;
+
+    /**
+     * Calls the specified callback function for all the elements in an array. The return value of
+     * the callback function is the accumulated result, and is provided as an argument in the next
+     * call to the callback function.
+     * @param callbackfn A function that accepts up to four arguments. The reduce method calls the
+     * callbackfn function one time for each element in the array.
+     * @param initialValue If initialValue is specified, it is used as the initial value to start
+     * the accumulation. The first call to the callbackfn function provides this value as an argument
+     * instead of an array value.
+     */
+    reduce(callbackfn: (previousValue: bigint, currentValue: bigint, currentIndex: number, array: BigUint64Array) => bigint): bigint;
+
+    /**
+     * Calls the specified callback function for all the elements in an array. The return value of
+     * the callback function is the accumulated result, and is provided as an argument in the next
+     * call to the callback function.
+     * @param callbackfn A function that accepts up to four arguments. The reduce method calls the
+     * callbackfn function one time for each element in the array.
+     * @param initialValue If initialValue is specified, it is used as the initial value to start
+     * the accumulation. The first call to the callbackfn function provides this value as an argument
+     * instead of an array value.
+     */
+    reduce<U>(callbackfn: (previousValue: U, currentValue: bigint, currentIndex: number, array: BigUint64Array) => U, initialValue: U): U;
+
+    /**
+     * Calls the specified callback function for all the elements in an array, in descending order.
+     * The return value of the callback function is the accumulated result, and is provided as an
+     * argument in the next call to the callback function.
+     * @param callbackfn A function that accepts up to four arguments. The reduceRight method calls
+     * the callbackfn function one time for each element in the array.
+     * @param initialValue If initialValue is specified, it is used as the initial value to start
+     * the accumulation. The first call to the callbackfn function provides this value as an
+     * argument instead of an array value.
+     */
+    reduceRight(callbackfn: (previousValue: bigint, currentValue: bigint, currentIndex: number, array: BigUint64Array) => bigint): bigint;
+
+    /**
+     * Calls the specified callback function for all the elements in an array, in descending order.
+     * The return value of the callback function is the accumulated result, and is provided as an
+     * argument in the next call to the callback function.
+     * @param callbackfn A function that accepts up to four arguments. The reduceRight method calls
+     * the callbackfn function one time for each element in the array.
+     * @param initialValue If initialValue is specified, it is used as the initial value to start
+     * the accumulation. The first call to the callbackfn function provides this value as an argument
+     * instead of an array value.
+     */
+    reduceRight<U>(callbackfn: (previousValue: U, currentValue: bigint, currentIndex: number, array: BigUint64Array) => U, initialValue: U): U;
+
+    /** Reverses the elements in the array. */
+    reverse(): this;
+
+    /**
+     * Sets a value or an array of values.
+     * @param array A typed or untyped array of values to set.
+     * @param offset The index in the current array at which the values are to be written.
+     */
+    set(array: ArrayLike<bigint>, offset?: number): void;
+
+    /**
+     * Returns a section of an array.
+     * @param start The beginning of the specified portion of the array.
+     * @param end The end of the specified portion of the array.
+     */
+    slice(start?: number, end?: number): BigUint64Array;
+
+    /**
+     * Determines whether the specified callback function returns true for any element of an array.
+     * @param callbackfn A function that accepts up to three arguments. The some method calls the
+     * callbackfn function for each element in the array until the callbackfn returns true, or until
+     * the end of the array.
+     * @param thisArg An object to which the this keyword can refer in the callbackfn function.
+     * If thisArg is omitted, undefined is used as the this value.
+     */
+    some(callbackfn: (value: bigint, index: number, array: BigUint64Array) => boolean, thisArg?: any): boolean;
+
+    /**
+     * Sorts the array.
+     * @param compareFn The function used to determine the order of the elements. If omitted, the elements are sorted in ascending order.
+     */
+    sort(compareFn?: (a: bigint, b: bigint) => number | bigint): this;
+
+    /**
+     * Gets a new BigUint64Array view of the ArrayBuffer store for this array, referencing the elements
+     * at begin, inclusive, up to end, exclusive.
+     * @param begin The index of the beginning of the array.
+     * @param end The index of the end of the array.
+     */
+    subarray(begin?: number, end?: number): BigUint64Array;
+
+    /** Converts the array to a string by using the current locale. */
+    toLocaleString(): string;
+
+    /** Returns a string representation of the array. */
+    toString(): string;
+
+    /** Returns the primitive value of the specified object. */
+    valueOf(): BigUint64Array;
+
+    /** Yields each value in the array. */
+    values(): IterableIterator<bigint>;
+
+    [Symbol.iterator](): IterableIterator<bigint>;
+
+    readonly [Symbol.toStringTag]: "BigUint64Array";
+
+    [index: number]: bigint;
+}
+
+interface BigUint64ArrayConstructor {
+    readonly prototype: BigUint64Array;
+    new(length?: number): BigUint64Array;
+    new(array: Iterable<bigint>): BigUint64Array;
+    new(buffer: ArrayBufferLike, byteOffset?: number, length?: number): BigUint64Array;
+
+    /** The size in bytes of each element in the array. */
+    readonly BYTES_PER_ELEMENT: number;
+
+    /**
+     * Returns a new array from a set of elements.
+     * @param items A set of elements to include in the new array object.
+     */
+    of(...items: bigint[]): BigUint64Array;
+
+    /**
+     * Creates an array from an array-like or iterable object.
+     * @param arrayLike An array-like or iterable object to convert to an array.
+     * @param mapfn A mapping function to call on every element of the array.
+     * @param thisArg Value of 'this' used to invoke the mapfn.
+     */
+    from(arrayLike: ArrayLike<bigint>): BigUint64Array;
+    from<U>(arrayLike: ArrayLike<U>, mapfn: (v: U, k: number) => bigint, thisArg?: any): BigUint64Array;
+}
+
+declare var BigUint64Array: BigUint64ArrayConstructor;
+
+interface DataView {
+    /**
+     * Gets the BigInt64 value at the specified byte offset from the start of the view. There is
+     * no alignment constraint; multi-byte values may be fetched from any offset.
+     * @param byteOffset The place in the buffer at which the value should be retrieved.
+     */
+    getBigInt64(byteOffset: number, littleEndian?: boolean): bigint;
+
+    /**
+     * Gets the BigUint64 value at the specified byte offset from the start of the view. There is
+     * no alignment constraint; multi-byte values may be fetched from any offset.
+     * @param byteOffset The place in the buffer at which the value should be retrieved.
+     */
+    getBigUint64(byteOffset: number, littleEndian?: boolean): bigint;
+
+    /**
+     * Stores a BigInt64 value at the specified byte offset from the start of the view.
+     * @param byteOffset The place in the buffer at which the value should be set.
+     * @param value The value to set.
+     * @param littleEndian If false or undefined, a big-endian value should be written,
+     * otherwise a little-endian value should be written.
+     */
+    setBigInt64(byteOffset: number, value: bigint, littleEndian?: boolean): void;
+
+    /**
+     * Stores a BigUint64 value at the specified byte offset from the start of the view.
+     * @param byteOffset The place in the buffer at which the value should be set.
+     * @param value The value to set.
+     * @param littleEndian If false or undefined, a big-endian value should be written,
+     * otherwise a little-endian value should be written.
+     */
+    setBigUint64(byteOffset: number, value: bigint, littleEndian?: boolean): void;
+}
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -19,5 +19,7 @@ and limitations under the License.


 /// <reference lib="es2019" />
+/// <reference lib="es2020.bigint" />
+/// <reference lib="es2020.promise" />
 /// <reference lib="es2020.string" />
 /// <reference lib="es2020.symbol.wellknown" />
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -0,0 +1,50 @@
+/*! *****************************************************************************
+Copyright (c) Microsoft Corporation. All rights reserved.
+Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+this file except in compliance with the License. You may obtain a copy of the
+License at http://www.apache.org/licenses/LICENSE-2.0
+
+THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
+See the Apache Version 2.0 License for specific language governing permissions
+and limitations under the License.
+***************************************************************************** */
+
+
+
+/// <reference no-default-lib="true"/>
+
+
+interface PromiseFulfilledResult<T> {
+    status: "fulfilled";
+    value: T;
+}
+
+interface PromiseRejectedResult {
+    status: "rejected";
+    reason: any;
+}
+
+type PromiseSettledResult<T> = PromiseFulfilledResult<T> | PromiseRejectedResult;
+
+interface PromiseConstructor {
+    /**
+     * Creates a Promise that is resolved with an array of results when all
+     * of the provided Promises resolve or reject.
+     * @param values An array of Promises.
+     * @returns A new Promise.
+     */
+    allSettled<T extends readonly unknown[] | readonly [unknown]>(values: T):
+        Promise<{ -readonly [P in keyof T]: PromiseSettledResult<T[P] extends PromiseLike<infer U> ? U : T[P]> }>;
+
+    /**
+     * Creates a Promise that is resolved with an array of results when all
+     * of the provided Promises resolve or reject.
+     * @param values An array of Promises.
+     * @returns A new Promise.
+     */
+    allSettled<T>(values: Iterable<T>): Promise<PromiseSettledResult<T extends PromiseLike<infer U> ? U : T>[]>;
+}
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -318,7 +318,7 @@ declare var Function: FunctionConstructor;
 /**
 * Extracts the type of the 'this' parameter of a function type, or 'unknown' if the function type has no 'this' parameter.
 */
-type ThisParameterType<T> = T extends (this: unknown, ...args: any[]) => any ? unknown : T extends (this: infer U, ...args: any[]) => any ? U : unknown;
+type ThisParameterType<T> = T extends (this: infer U, ...args: any[]) => any ? U : unknown;

 /**
 * Removes the 'this' parameter from a function type.
@@ -986,7 +986,7 @@ declare var Error: ErrorConstructor;
 interface EvalError extends Error {
 }

-interface EvalErrorConstructor {
+interface EvalErrorConstructor extends ErrorConstructor {
    new(message?: string): EvalError;
    (message?: string): EvalError;
    readonly prototype: EvalError;
@@ -997,7 +997,7 @@ declare var EvalError: EvalErrorConstructor;
 interface RangeError extends Error {
 }

-interface RangeErrorConstructor {
+interface RangeErrorConstructor extends ErrorConstructor {
    new(message?: string): RangeError;
    (message?: string): RangeError;
    readonly prototype: RangeError;
@@ -1008,7 +1008,7 @@ declare var RangeError: RangeErrorConstructor;
 interface ReferenceError extends Error {
 }

-interface ReferenceErrorConstructor {
+interface ReferenceErrorConstructor extends ErrorConstructor {
    new(message?: string): ReferenceError;
    (message?: string): ReferenceError;
    readonly prototype: ReferenceError;
@@ -1019,7 +1019,7 @@ declare var ReferenceError: ReferenceErrorConstructor;
 interface SyntaxError extends Error {
 }

-interface SyntaxErrorConstructor {
+interface SyntaxErrorConstructor extends ErrorConstructor {
    new(message?: string): SyntaxError;
    (message?: string): SyntaxError;
    readonly prototype: SyntaxError;
@@ -1030,7 +1030,7 @@ declare var SyntaxError: SyntaxErrorConstructor;
 interface TypeError extends Error {
 }

-interface TypeErrorConstructor {
+interface TypeErrorConstructor extends ErrorConstructor {
    new(message?: string): TypeError;
    (message?: string): TypeError;
    readonly prototype: TypeError;
@@ -1041,7 +1041,7 @@ declare var TypeError: TypeErrorConstructor;
 interface URIError extends Error {
 }

-interface URIErrorConstructor {
+interface URIErrorConstructor extends ErrorConstructor {
    new(message?: string): URIError;
    (message?: string): URIError;
    readonly prototype: URIError;
@@ -1274,7 +1274,7 @@ interface Array<T> {
     * @param start The zero-based location in the array from which to start removing elements.
     * @param deleteCount The number of elements to remove.
     */
-    splice(start: number, deleteCount?: number): T[];
+    splice(start: number, deleteCount: number): T[];
    /**
     * Removes elements from an array and, if necessary, inserts new elements in their place, returning the deleted elements.
     * @param start The zero-based location in the array from which to start removing elements.
@@ -1940,6 +1940,9 @@ interface Int8Array {
     */
    toString(): string;

+    /** Returns the primitive value of the specified object. */
+    valueOf(): Int8Array;
+
    [index: number]: number;
 }
 interface Int8ArrayConstructor {
@@ -2219,6 +2222,9 @@ interface Uint8Array {
     */
    toString(): string;

+    /** Returns the primitive value of the specified object. */
+    valueOf(): Uint8Array;
+
    [index: number]: number;
 }

@@ -2498,6 +2504,9 @@ interface Uint8ClampedArray {
     */
    toString(): string;

+    /** Returns the primitive value of the specified object. */
+    valueOf(): Uint8ClampedArray;
+
    [index: number]: number;
 }

@@ -2775,6 +2784,9 @@ interface Int16Array {
     */
    toString(): string;

+    /** Returns the primitive value of the specified object. */
+    valueOf(): Int16Array;
+
    [index: number]: number;
 }

@@ -3055,6 +3067,9 @@ interface Uint16Array {
     */
    toString(): string;

+    /** Returns the primitive value of the specified object. */
+    valueOf(): Uint16Array;
+
    [index: number]: number;
 }

@@ -3334,6 +3349,9 @@ interface Int32Array {
     */
    toString(): string;

+    /** Returns the primitive value of the specified object. */
+    valueOf(): Int32Array;
+
    [index: number]: number;
 }

@@ -3612,6 +3630,9 @@ interface Uint32Array {
     */
    toString(): string;

+    /** Returns the primitive value of the specified object. */
+    valueOf(): Uint32Array;
+
    [index: number]: number;
 }

@@ -3891,6 +3912,9 @@ interface Float32Array {
     */
    toString(): string;

+    /** Returns the primitive value of the specified object. */
+    valueOf(): Float32Array;
+
    [index: number]: number;
 }

@@ -4162,6 +4186,9 @@ interface Float64Array {

    toString(): string;

+    /** Returns the primitive value of the specified object. */
+    valueOf(): Float64Array;
+
    [index: number]: number;
 }

@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -20,9 +20,9 @@ and limitations under the License.

 interface BigInt {
    /**
-     * Returns a string representation of an object.
-     * @param radix Specifies a radix for converting numeric values to strings.
-     */
+      * Returns a string representation of an object.
+      * @param radix Specifies a radix for converting numeric values to strings.
+      */
    toString(radix?: number): string;

    /** Returns a string representation appropriate to the host environment's current locale. */
@@ -39,27 +39,27 @@ interface BigIntConstructor {
    readonly prototype: BigInt;

    /**
-     * Interprets the low bits of a BigInt as a 2's-complement signed integer.
-     * All higher bits are discarded.
-     * @param bits The number of low bits to use
-     * @param int The BigInt whose bits to extract
-     */
+      * Interprets the low bits of a BigInt as a 2's-complement signed integer.
+      * All higher bits are discarded.
+      * @param bits The number of low bits to use
+      * @param int The BigInt whose bits to extract
+      */
    asIntN(bits: number, int: bigint): bigint;
    /**
-     * Interprets the low bits of a BigInt as an unsigned integer.
-     * All higher bits are discarded.
-     * @param bits The number of low bits to use
-     * @param int The BigInt whose bits to extract
-     */
+      * Interprets the low bits of a BigInt as an unsigned integer.
+      * All higher bits are discarded.
+      * @param bits The number of low bits to use
+      * @param int The BigInt whose bits to extract
+      */
    asUintN(bits: number, int: bigint): bigint;
 }

 declare var BigInt: BigIntConstructor;

 /**
- * A typed array of 64-bit signed integer values. The contents are initialized to 0. If the
- * requested number of bytes could not be allocated, an exception is raised.
- */
+  * A typed array of 64-bit signed integer values. The contents are initialized to 0. If the
+  * requested number of bytes could not be allocated, an exception is raised.
+  */
 interface BigInt64Array {
    /** The size in bytes of each element in the array. */
    readonly BYTES_PER_ELEMENT: number;
@@ -74,213 +74,213 @@ interface BigInt64Array {
    readonly byteOffset: number;

    /**
-     * Returns the this object after copying a section of the array identified by start and end
-     * to the same array starting at position target
-     * @param target If target is negative, it is treated as length+target where length is the
-     * length of the array.
-     * @param start If start is negative, it is treated as length+start. If end is negative, it
-     * is treated as length+end.
-     * @param end If not specified, length of the this object is used as its default value.
-     */
+      * Returns the this object after copying a section of the array identified by start and end
+      * to the same array starting at position target
+      * @param target If target is negative, it is treated as length+target where length is the
+      * length of the array.
+      * @param start If start is negative, it is treated as length+start. If end is negative, it
+      * is treated as length+end.
+      * @param end If not specified, length of the this object is used as its default value.
+      */
    copyWithin(target: number, start: number, end?: number): this;

    /** Yields index, value pairs for every entry in the array. */
    entries(): IterableIterator<[number, bigint]>;

    /**
-     * Determines whether all the members of an array satisfy the specified test.
-     * @param callbackfn A function that accepts up to three arguments. The every method calls
-     * the callbackfn function for each element in the array until the callbackfn returns false,
-     * or until the end of the array.
-     * @param thisArg An object to which the this keyword can refer in the callbackfn function.
-     * If thisArg is omitted, undefined is used as the this value.
-     */
+      * Determines whether all the members of an array satisfy the specified test.
+      * @param callbackfn A function that accepts up to three arguments. The every method calls
+      * the callbackfn function for each element in the array until the callbackfn returns false,
+      * or until the end of the array.
+      * @param thisArg An object to which the this keyword can refer in the callbackfn function.
+      * If thisArg is omitted, undefined is used as the this value.
+      */
    every(callbackfn: (value: bigint, index: number, array: BigInt64Array) => boolean, thisArg?: any): boolean;

    /**
-     * Returns the this object after filling the section identified by start and end with value
-     * @param value value to fill array section with
-     * @param start index to start filling the array at. If start is negative, it is treated as
-     * length+start where length is the length of the array.
-     * @param end index to stop filling the array at. If end is negative, it is treated as
-     * length+end.
-     */
+      * Returns the this object after filling the section identified by start and end with value
+      * @param value value to fill array section with
+      * @param start index to start filling the array at. If start is negative, it is treated as
+      * length+start where length is the length of the array.
+      * @param end index to stop filling the array at. If end is negative, it is treated as
+      * length+end.
+      */
    fill(value: bigint, start?: number, end?: number): this;

    /**
-     * Returns the elements of an array that meet the condition specified in a callback function.
-     * @param callbackfn A function that accepts up to three arguments. The filter method calls
-     * the callbackfn function one time for each element in the array.
-     * @param thisArg An object to which the this keyword can refer in the callbackfn function.
-     * If thisArg is omitted, undefined is used as the this value.
-     */
+      * Returns the elements of an array that meet the condition specified in a callback function.
+      * @param callbackfn A function that accepts up to three arguments. The filter method calls
+      * the callbackfn function one time for each element in the array.
+      * @param thisArg An object to which the this keyword can refer in the callbackfn function.
+      * If thisArg is omitted, undefined is used as the this value.
+      */
    filter(callbackfn: (value: bigint, index: number, array: BigInt64Array) => any, thisArg?: any): BigInt64Array;

    /**
-     * Returns the value of the first element in the array where predicate is true, and undefined
-     * otherwise.
-     * @param predicate find calls predicate once for each element of the array, in ascending
-     * order, until it finds one where predicate returns true. If such an element is found, find
-     * immediately returns that element value. Otherwise, find returns undefined.
-     * @param thisArg If provided, it will be used as the this value for each invocation of
-     * predicate. If it is not provided, undefined is used instead.
-     */
+      * Returns the value of the first element in the array where predicate is true, and undefined
+      * otherwise.
+      * @param predicate find calls predicate once for each element of the array, in ascending
+      * order, until it finds one where predicate returns true. If such an element is found, find
+      * immediately returns that element value. Otherwise, find returns undefined.
+      * @param thisArg If provided, it will be used as the this value for each invocation of
+      * predicate. If it is not provided, undefined is used instead.
+      */
    find(predicate: (value: bigint, index: number, array: BigInt64Array) => boolean, thisArg?: any): bigint | undefined;

    /**
-     * Returns the index of the first element in the array where predicate is true, and -1
-     * otherwise.
-     * @param predicate find calls predicate once for each element of the array, in ascending
-     * order, until it finds one where predicate returns true. If such an element is found,
-     * findIndex immediately returns that element index. Otherwise, findIndex returns -1.
-     * @param thisArg If provided, it will be used as the this value for each invocation of
-     * predicate. If it is not provided, undefined is used instead.
-     */
+      * Returns the index of the first element in the array where predicate is true, and -1
+      * otherwise.
+      * @param predicate find calls predicate once for each element of the array, in ascending
+      * order, until it finds one where predicate returns true. If such an element is found,
+      * findIndex immediately returns that element index. Otherwise, findIndex returns -1.
+      * @param thisArg If provided, it will be used as the this value for each invocation of
+      * predicate. If it is not provided, undefined is used instead.
+      */
    findIndex(predicate: (value: bigint, index: number, array: BigInt64Array) => boolean, thisArg?: any): number;

    /**
-     * Performs the specified action for each element in an array.
-     * @param callbackfn A function that accepts up to three arguments. forEach calls the
-     * callbackfn function one time for each element in the array.
-     * @param thisArg An object to which the this keyword can refer in the callbackfn function.
-     * If thisArg is omitted, undefined is used as the this value.
-     */
+      * Performs the specified action for each element in an array.
+      * @param callbackfn A function that accepts up to three arguments. forEach calls the
+      * callbackfn function one time for each element in the array.
+      * @param thisArg An object to which the this keyword can refer in the callbackfn function.
+      * If thisArg is omitted, undefined is used as the this value.
+      */
    forEach(callbackfn: (value: bigint, index: number, array: BigInt64Array) => void, thisArg?: any): void;

    /**
-     * Determines whether an array includes a certain element, returning true or false as appropriate.
-     * @param searchElement The element to search for.
-     * @param fromIndex The position in this array at which to begin searching for searchElement.
-     */
+      * Determines whether an array includes a certain element, returning true or false as appropriate.
+      * @param searchElement The element to search for.
+      * @param fromIndex The position in this array at which to begin searching for searchElement.
+      */
    includes(searchElement: bigint, fromIndex?: number): boolean;

    /**
-     * Returns the index of the first occurrence of a value in an array.
-     * @param searchElement The value to locate in the array.
-     * @param fromIndex The array index at which to begin the search. If fromIndex is omitted, the
-     * search starts at index 0.
-     */
+      * Returns the index of the first occurrence of a value in an array.
+      * @param searchElement The value to locate in the array.
+      * @param fromIndex The array index at which to begin the search. If fromIndex is omitted, the
+      * search starts at index 0.
+      */
    indexOf(searchElement: bigint, fromIndex?: number): number;

    /**
-     * Adds all the elements of an array separated by the specified separator string.
-     * @param separator A string used to separate one element of an array from the next in the
-     * resulting String. If omitted, the array elements are separated with a comma.
-     */
+      * Adds all the elements of an array separated by the specified separator string.
+      * @param separator A string used to separate one element of an array from the next in the
+      * resulting String. If omitted, the array elements are separated with a comma.
+      */
    join(separator?: string): string;

    /** Yields each index in the array. */
    keys(): IterableIterator<number>;

    /**
-     * Returns the index of the last occurrence of a value in an array.
-     * @param searchElement The value to locate in the array.
-     * @param fromIndex The array index at which to begin the search. If fromIndex is omitted, the
-     * search starts at index 0.
-     */
+      * Returns the index of the last occurrence of a value in an array.
+      * @param searchElement The value to locate in the array.
+      * @param fromIndex The array index at which to begin the search. If fromIndex is omitted, the
+      * search starts at index 0.
+      */
    lastIndexOf(searchElement: bigint, fromIndex?: number): number;

    /** The length of the array. */
    readonly length: number;

    /**
-     * Calls a defined callback function on each element of an array, and returns an array that
-     * contains the results.
-     * @param callbackfn A function that accepts up to three arguments. The map method calls the
-     * callbackfn function one time for each element in the array.
-     * @param thisArg An object to which the this keyword can refer in the callbackfn function.
-     * If thisArg is omitted, undefined is used as the this value.
-     */
+      * Calls a defined callback function on each element of an array, and returns an array that
+      * contains the results.
+      * @param callbackfn A function that accepts up to three arguments. The map method calls the
+      * callbackfn function one time for each element in the array.
+      * @param thisArg An object to which the this keyword can refer in the callbackfn function.
+      * If thisArg is omitted, undefined is used as the this value.
+      */
    map(callbackfn: (value: bigint, index: number, array: BigInt64Array) => bigint, thisArg?: any): BigInt64Array;

    /**
-     * Calls the specified callback function for all the elements in an array. The return value of
-     * the callback function is the accumulated result, and is provided as an argument in the next
-     * call to the callback function.
-     * @param callbackfn A function that accepts up to four arguments. The reduce method calls the
-     * callbackfn function one time for each element in the array.
-     * @param initialValue If initialValue is specified, it is used as the initial value to start
-     * the accumulation. The first call to the callbackfn function provides this value as an argument
-     * instead of an array value.
-     */
+      * Calls the specified callback function for all the elements in an array. The return value of
+      * the callback function is the accumulated result, and is provided as an argument in the next
+      * call to the callback function.
+      * @param callbackfn A function that accepts up to four arguments. The reduce method calls the
+      * callbackfn function one time for each element in the array.
+      * @param initialValue If initialValue is specified, it is used as the initial value to start
+      * the accumulation. The first call to the callbackfn function provides this value as an argument
+      * instead of an array value.
+      */
    reduce(callbackfn: (previousValue: bigint, currentValue: bigint, currentIndex: number, array: BigInt64Array) => bigint): bigint;

    /**
-     * Calls the specified callback function for all the elements in an array. The return value of
-     * the callback function is the accumulated result, and is provided as an argument in the next
-     * call to the callback function.
-     * @param callbackfn A function that accepts up to four arguments. The reduce method calls the
-     * callbackfn function one time for each element in the array.
-     * @param initialValue If initialValue is specified, it is used as the initial value to start
-     * the accumulation. The first call to the callbackfn function provides this value as an argument
-     * instead of an array value.
-     */
+      * Calls the specified callback function for all the elements in an array. The return value of
+      * the callback function is the accumulated result, and is provided as an argument in the next
+      * call to the callback function.
+      * @param callbackfn A function that accepts up to four arguments. The reduce method calls the
+      * callbackfn function one time for each element in the array.
+      * @param initialValue If initialValue is specified, it is used as the initial value to start
+      * the accumulation. The first call to the callbackfn function provides this value as an argument
+      * instead of an array value.
+      */
    reduce<U>(callbackfn: (previousValue: U, currentValue: bigint, currentIndex: number, array: BigInt64Array) => U, initialValue: U): U;

    /**
-     * Calls the specified callback function for all the elements in an array, in descending order.
-     * The return value of the callback function is the accumulated result, and is provided as an
-     * argument in the next call to the callback function.
-     * @param callbackfn A function that accepts up to four arguments. The reduceRight method calls
-     * the callbackfn function one time for each element in the array.
-     * @param initialValue If initialValue is specified, it is used as the initial value to start
-     * the accumulation. The first call to the callbackfn function provides this value as an
-     * argument instead of an array value.
-     */
+      * Calls the specified callback function for all the elements in an array, in descending order.
+      * The return value of the callback function is the accumulated result, and is provided as an
+      * argument in the next call to the callback function.
+      * @param callbackfn A function that accepts up to four arguments. The reduceRight method calls
+      * the callbackfn function one time for each element in the array.
+      * @param initialValue If initialValue is specified, it is used as the initial value to start
+      * the accumulation. The first call to the callbackfn function provides this value as an
+      * argument instead of an array value.
+      */
    reduceRight(callbackfn: (previousValue: bigint, currentValue: bigint, currentIndex: number, array: BigInt64Array) => bigint): bigint;

    /**
-     * Calls the specified callback function for all the elements in an array, in descending order.
-     * The return value of the callback function is the accumulated result, and is provided as an
-     * argument in the next call to the callback function.
-     * @param callbackfn A function that accepts up to four arguments. The reduceRight method calls
-     * the callbackfn function one time for each element in the array.
-     * @param initialValue If initialValue is specified, it is used as the initial value to start
-     * the accumulation. The first call to the callbackfn function provides this value as an argument
-     * instead of an array value.
-     */
+      * Calls the specified callback function for all the elements in an array, in descending order.
+      * The return value of the callback function is the accumulated result, and is provided as an
+      * argument in the next call to the callback function.
+      * @param callbackfn A function that accepts up to four arguments. The reduceRight method calls
+      * the callbackfn function one time for each element in the array.
+      * @param initialValue If initialValue is specified, it is used as the initial value to start
+      * the accumulation. The first call to the callbackfn function provides this value as an argument
+      * instead of an array value.
+      */
    reduceRight<U>(callbackfn: (previousValue: U, currentValue: bigint, currentIndex: number, array: BigInt64Array) => U, initialValue: U): U;

    /** Reverses the elements in the array. */
    reverse(): this;

    /**
-     * Sets a value or an array of values.
-     * @param array A typed or untyped array of values to set.
-     * @param offset The index in the current array at which the values are to be written.
-     */
+      * Sets a value or an array of values.
+      * @param array A typed or untyped array of values to set.
+      * @param offset The index in the current array at which the values are to be written.
+      */
    set(array: ArrayLike<bigint>, offset?: number): void;

    /**
-     * Returns a section of an array.
-     * @param start The beginning of the specified portion of the array.
-     * @param end The end of the specified portion of the array.
-     */
+      * Returns a section of an array.
+      * @param start The beginning of the specified portion of the array.
+      * @param end The end of the specified portion of the array.
+      */
    slice(start?: number, end?: number): BigInt64Array;

    /**
-     * Determines whether the specified callback function returns true for any element of an array.
-     * @param callbackfn A function that accepts up to three arguments. The some method calls the
-     * callbackfn function for each element in the array until the callbackfn returns true, or until
-     * the end of the array.
-     * @param thisArg An object to which the this keyword can refer in the callbackfn function.
-     * If thisArg is omitted, undefined is used as the this value.
-     */
+      * Determines whether the specified callback function returns true for any element of an array.
+      * @param callbackfn A function that accepts up to three arguments. The some method calls the
+      * callbackfn function for each element in the array until the callbackfn returns true, or until
+      * the end of the array.
+      * @param thisArg An object to which the this keyword can refer in the callbackfn function.
+      * If thisArg is omitted, undefined is used as the this value.
+      */
    some(callbackfn: (value: bigint, index: number, array: BigInt64Array) => boolean, thisArg?: any): boolean;

    /**
-     * Sorts the array.
-     * @param compareFn The function used to determine the order of the elements. If omitted, the elements are sorted in ascending order.
-     */
+      * Sorts the array.
+      * @param compareFn The function used to determine the order of the elements. If omitted, the elements are sorted in ascending order.
+      */
    sort(compareFn?: (a: bigint, b: bigint) => number | bigint): this;

    /**
-     * Gets a new BigInt64Array view of the ArrayBuffer store for this array, referencing the elements
-     * at begin, inclusive, up to end, exclusive.
-     * @param begin The index of the beginning of the array.
-     * @param end The index of the end of the array.
-     */
-    subarray(begin?: number, end?: number): BigInt64Array;
+      * Gets a new BigInt64Array view of the ArrayBuffer store for this array, referencing the elements
+      * at begin, inclusive, up to end, exclusive.
+      * @param begin The index of the beginning of the array.
+      * @param end The index of the end of the array.
+      */
+    subarray(begin: number, end?: number): BigInt64Array;

    /** Converts the array to a string by using the current locale. */
    toLocaleString(): string;
@@ -308,17 +308,17 @@ interface BigInt64ArrayConstructor {
    readonly BYTES_PER_ELEMENT: number;

    /**
-     * Returns a new array from a set of elements.
-     * @param items A set of elements to include in the new array object.
-     */
+      * Returns a new array from a set of elements.
+      * @param items A set of elements to include in the new array object.
+      */
    of(...items: bigint[]): BigInt64Array;

    /**
-     * Creates an array from an array-like or iterable object.
-     * @param arrayLike An array-like or iterable object to convert to an array.
-     * @param mapfn A mapping function to call on every element of the array.
-     * @param thisArg Value of 'this' used to invoke the mapfn.
-     */
+      * Creates an array from an array-like or iterable object.
+      * @param arrayLike An array-like or iterable object to convert to an array.
+      * @param mapfn A mapping function to call on every element of the array.
+      * @param thisArg Value of 'this' used to invoke the mapfn.
+      */
    from(arrayLike: ArrayLike<bigint>): BigInt64Array;
    from<U>(arrayLike: ArrayLike<U>, mapfn: (v: U, k: number) => bigint, thisArg?: any): BigInt64Array;
 }
@@ -326,9 +326,9 @@ interface BigInt64ArrayConstructor {
 declare var BigInt64Array: BigInt64ArrayConstructor;

 /**
- * A typed array of 64-bit unsigned integer values. The contents are initialized to 0. If the
- * requested number of bytes could not be allocated, an exception is raised.
- */
+  * A typed array of 64-bit unsigned integer values. The contents are initialized to 0. If the
+  * requested number of bytes could not be allocated, an exception is raised.
+  */
 interface BigUint64Array {
    /** The size in bytes of each element in the array. */
    readonly BYTES_PER_ELEMENT: number;
@@ -343,213 +343,213 @@ interface BigUint64Array {
    readonly byteOffset: number;

    /**
-     * Returns the this object after copying a section of the array identified by start and end
-     * to the same array starting at position target
-     * @param target If target is negative, it is treated as length+target where length is the
-     * length of the array.
-     * @param start If start is negative, it is treated as length+start. If end is negative, it
-     * is treated as length+end.
-     * @param end If not specified, length of the this object is used as its default value.
-     */
+      * Returns the this object after copying a section of the array identified by start and end
+      * to the same array starting at position target
+      * @param target If target is negative, it is treated as length+target where length is the
+      * length of the array.
+      * @param start If start is negative, it is treated as length+start. If end is negative, it
+      * is treated as length+end.
+      * @param end If not specified, length of the this object is used as its default value.
+      */
    copyWithin(target: number, start: number, end?: number): this;

    /** Yields index, value pairs for every entry in the array. */
    entries(): IterableIterator<[number, bigint]>;

    /**
-     * Determines whether all the members of an array satisfy the specified test.
-     * @param callbackfn A function that accepts up to three arguments. The every method calls
-     * the callbackfn function for each element in the array until the callbackfn returns false,
-     * or until the end of the array.
-     * @param thisArg An object to which the this keyword can refer in the callbackfn function.
-     * If thisArg is omitted, undefined is used as the this value.
-     */
+      * Determines whether all the members of an array satisfy the specified test.
+      * @param callbackfn A function that accepts up to three arguments. The every method calls
+      * the callbackfn function for each element in the array until the callbackfn returns false,
+      * or until the end of the array.
+      * @param thisArg An object to which the this keyword can refer in the callbackfn function.
+      * If thisArg is omitted, undefined is used as the this value.
+      */
    every(callbackfn: (value: bigint, index: number, array: BigUint64Array) => boolean, thisArg?: any): boolean;

    /**
-     * Returns the this object after filling the section identified by start and end with value
-     * @param value value to fill array section with
-     * @param start index to start filling the array at. If start is negative, it is treated as
-     * length+start where length is the length of the array.
-     * @param end index to stop filling the array at. If end is negative, it is treated as
-     * length+end.
-     */
+      * Returns the this object after filling the section identified by start and end with value
+      * @param value value to fill array section with
+      * @param start index to start filling the array at. If start is negative, it is treated as
+      * length+start where length is the length of the array.
+      * @param end index to stop filling the array at. If end is negative, it is treated as
+      * length+end.
+      */
    fill(value: bigint, start?: number, end?: number): this;

    /**
-     * Returns the elements of an array that meet the condition specified in a callback function.
-     * @param callbackfn A function that accepts up to three arguments. The filter method calls
-     * the callbackfn function one time for each element in the array.
-     * @param thisArg An object to which the this keyword can refer in the callbackfn function.
-     * If thisArg is omitted, undefined is used as the this value.
-     */
+      * Returns the elements of an array that meet the condition specified in a callback function.
+      * @param callbackfn A function that accepts up to three arguments. The filter method calls
+      * the callbackfn function one time for each element in the array.
+      * @param thisArg An object to which the this keyword can refer in the callbackfn function.
+      * If thisArg is omitted, undefined is used as the this value.
+      */
    filter(callbackfn: (value: bigint, index: number, array: BigUint64Array) => any, thisArg?: any): BigUint64Array;

    /**
-     * Returns the value of the first element in the array where predicate is true, and undefined
-     * otherwise.
-     * @param predicate find calls predicate once for each element of the array, in ascending
-     * order, until it finds one where predicate returns true. If such an element is found, find
-     * immediately returns that element value. Otherwise, find returns undefined.
-     * @param thisArg If provided, it will be used as the this value for each invocation of
-     * predicate. If it is not provided, undefined is used instead.
-     */
+      * Returns the value of the first element in the array where predicate is true, and undefined
+      * otherwise.
+      * @param predicate find calls predicate once for each element of the array, in ascending
+      * order, until it finds one where predicate returns true. If such an element is found, find
+      * immediately returns that element value. Otherwise, find returns undefined.
+      * @param thisArg If provided, it will be used as the this value for each invocation of
+      * predicate. If it is not provided, undefined is used instead.
+      */
    find(predicate: (value: bigint, index: number, array: BigUint64Array) => boolean, thisArg?: any): bigint | undefined;

    /**
-     * Returns the index of the first element in the array where predicate is true, and -1
-     * otherwise.
-     * @param predicate find calls predicate once for each element of the array, in ascending
-     * order, until it finds one where predicate returns true. If such an element is found,
-     * findIndex immediately returns that element index. Otherwise, findIndex returns -1.
-     * @param thisArg If provided, it will be used as the this value for each invocation of
-     * predicate. If it is not provided, undefined is used instead.
-     */
+      * Returns the index of the first element in the array where predicate is true, and -1
+      * otherwise.
+      * @param predicate find calls predicate once for each element of the array, in ascending
+      * order, until it finds one where predicate returns true. If such an element is found,
+      * findIndex immediately returns that element index. Otherwise, findIndex returns -1.
+      * @param thisArg If provided, it will be used as the this value for each invocation of
+      * predicate. If it is not provided, undefined is used instead.
+      */
    findIndex(predicate: (value: bigint, index: number, array: BigUint64Array) => boolean, thisArg?: any): number;

    /**
-     * Performs the specified action for each element in an array.
-     * @param callbackfn A function that accepts up to three arguments. forEach calls the
-     * callbackfn function one time for each element in the array.
-     * @param thisArg An object to which the this keyword can refer in the callbackfn function.
-     * If thisArg is omitted, undefined is used as the this value.
-     */
+      * Performs the specified action for each element in an array.
+      * @param callbackfn A function that accepts up to three arguments. forEach calls the
+      * callbackfn function one time for each element in the array.
+      * @param thisArg An object to which the this keyword can refer in the callbackfn function.
+      * If thisArg is omitted, undefined is used as the this value.
+      */
    forEach(callbackfn: (value: bigint, index: number, array: BigUint64Array) => void, thisArg?: any): void;

    /**
-     * Determines whether an array includes a certain element, returning true or false as appropriate.
-     * @param searchElement The element to search for.
-     * @param fromIndex The position in this array at which to begin searching for searchElement.
-     */
+      * Determines whether an array includes a certain element, returning true or false as appropriate.
+      * @param searchElement The element to search for.
+      * @param fromIndex The position in this array at which to begin searching for searchElement.
+      */
    includes(searchElement: bigint, fromIndex?: number): boolean;

    /**
-     * Returns the index of the first occurrence of a value in an array.
-     * @param searchElement The value to locate in the array.
-     * @param fromIndex The array index at which to begin the search. If fromIndex is omitted, the
-     * search starts at index 0.
-     */
+      * Returns the index of the first occurrence of a value in an array.
+      * @param searchElement The value to locate in the array.
+      * @param fromIndex The array index at which to begin the search. If fromIndex is omitted, the
+      * search starts at index 0.
+      */
    indexOf(searchElement: bigint, fromIndex?: number): number;

    /**
-     * Adds all the elements of an array separated by the specified separator string.
-     * @param separator A string used to separate one element of an array from the next in the
-     * resulting String. If omitted, the array elements are separated with a comma.
-     */
+      * Adds all the elements of an array separated by the specified separator string.
+      * @param separator A string used to separate one element of an array from the next in the
+      * resulting String. If omitted, the array elements are separated with a comma.
+      */
    join(separator?: string): string;

    /** Yields each index in the array. */
    keys(): IterableIterator<number>;

    /**
-     * Returns the index of the last occurrence of a value in an array.
-     * @param searchElement The value to locate in the array.
-     * @param fromIndex The array index at which to begin the search. If fromIndex is omitted, the
-     * search starts at index 0.
-     */
+      * Returns the index of the last occurrence of a value in an array.
+      * @param searchElement The value to locate in the array.
+      * @param fromIndex The array index at which to begin the search. If fromIndex is omitted, the
+      * search starts at index 0.
+      */
    lastIndexOf(searchElement: bigint, fromIndex?: number): number;

    /** The length of the array. */
    readonly length: number;

    /**
-     * Calls a defined callback function on each element of an array, and returns an array that
-     * contains the results.
-     * @param callbackfn A function that accepts up to three arguments. The map method calls the
-     * callbackfn function one time for each element in the array.
-     * @param thisArg An object to which the this keyword can refer in the callbackfn function.
-     * If thisArg is omitted, undefined is used as the this value.
-     */
+      * Calls a defined callback function on each element of an array, and returns an array that
+      * contains the results.
+      * @param callbackfn A function that accepts up to three arguments. The map method calls the
+      * callbackfn function one time for each element in the array.
+      * @param thisArg An object to which the this keyword can refer in the callbackfn function.
+      * If thisArg is omitted, undefined is used as the this value.
+      */
    map(callbackfn: (value: bigint, index: number, array: BigUint64Array) => bigint, thisArg?: any): BigUint64Array;

    /**
-     * Calls the specified callback function for all the elements in an array. The return value of
-     * the callback function is the accumulated result, and is provided as an argument in the next
-     * call to the callback function.
-     * @param callbackfn A function that accepts up to four arguments. The reduce method calls the
-     * callbackfn function one time for each element in the array.
-     * @param initialValue If initialValue is specified, it is used as the initial value to start
-     * the accumulation. The first call to the callbackfn function provides this value as an argument
-     * instead of an array value.
-     */
+      * Calls the specified callback function for all the elements in an array. The return value of
+      * the callback function is the accumulated result, and is provided as an argument in the next
+      * call to the callback function.
+      * @param callbackfn A function that accepts up to four arguments. The reduce method calls the
+      * callbackfn function one time for each element in the array.
+      * @param initialValue If initialValue is specified, it is used as the initial value to start
+      * the accumulation. The first call to the callbackfn function provides this value as an argument
+      * instead of an array value.
+      */
    reduce(callbackfn: (previousValue: bigint, currentValue: bigint, currentIndex: number, array: BigUint64Array) => bigint): bigint;

    /**
-     * Calls the specified callback function for all the elements in an array. The return value of
-     * the callback function is the accumulated result, and is provided as an argument in the next
-     * call to the callback function.
-     * @param callbackfn A function that accepts up to four arguments. The reduce method calls the
-     * callbackfn function one time for each element in the array.
-     * @param initialValue If initialValue is specified, it is used as the initial value to start
-     * the accumulation. The first call to the callbackfn function provides this value as an argument
-     * instead of an array value.
-     */
+      * Calls the specified callback function for all the elements in an array. The return value of
+      * the callback function is the accumulated result, and is provided as an argument in the next
+      * call to the callback function.
+      * @param callbackfn A function that accepts up to four arguments. The reduce method calls the
+      * callbackfn function one time for each element in the array.
+      * @param initialValue If initialValue is specified, it is used as the initial value to start
+      * the accumulation. The first call to the callbackfn function provides this value as an argument
+      * instead of an array value.
+      */
    reduce<U>(callbackfn: (previousValue: U, currentValue: bigint, currentIndex: number, array: BigUint64Array) => U, initialValue: U): U;

    /**
-     * Calls the specified callback function for all the elements in an array, in descending order.
-     * The return value of the callback function is the accumulated result, and is provided as an
-     * argument in the next call to the callback function.
-     * @param callbackfn A function that accepts up to four arguments. The reduceRight method calls
-     * the callbackfn function one time for each element in the array.
-     * @param initialValue If initialValue is specified, it is used as the initial value to start
-     * the accumulation. The first call to the callbackfn function provides this value as an
-     * argument instead of an array value.
-     */
+      * Calls the specified callback function for all the elements in an array, in descending order.
+      * The return value of the callback function is the accumulated result, and is provided as an
+      * argument in the next call to the callback function.
+      * @param callbackfn A function that accepts up to four arguments. The reduceRight method calls
+      * the callbackfn function one time for each element in the array.
+      * @param initialValue If initialValue is specified, it is used as the initial value to start
+      * the accumulation. The first call to the callbackfn function provides this value as an
+      * argument instead of an array value.
+      */
    reduceRight(callbackfn: (previousValue: bigint, currentValue: bigint, currentIndex: number, array: BigUint64Array) => bigint): bigint;

    /**
-     * Calls the specified callback function for all the elements in an array, in descending order.
-     * The return value of the callback function is the accumulated result, and is provided as an
-     * argument in the next call to the callback function.
-     * @param callbackfn A function that accepts up to four arguments. The reduceRight method calls
-     * the callbackfn function one time for each element in the array.
-     * @param initialValue If initialValue is specified, it is used as the initial value to start
-     * the accumulation. The first call to the callbackfn function provides this value as an argument
-     * instead of an array value.
-     */
+      * Calls the specified callback function for all the elements in an array, in descending order.
+      * The return value of the callback function is the accumulated result, and is provided as an
+      * argument in the next call to the callback function.
+      * @param callbackfn A function that accepts up to four arguments. The reduceRight method calls
+      * the callbackfn function one time for each element in the array.
+      * @param initialValue If initialValue is specified, it is used as the initial value to start
+      * the accumulation. The first call to the callbackfn function provides this value as an argument
+      * instead of an array value.
+      */
    reduceRight<U>(callbackfn: (previousValue: U, currentValue: bigint, currentIndex: number, array: BigUint64Array) => U, initialValue: U): U;

    /** Reverses the elements in the array. */
    reverse(): this;

    /**
-     * Sets a value or an array of values.
-     * @param array A typed or untyped array of values to set.
-     * @param offset The index in the current array at which the values are to be written.
-     */
+      * Sets a value or an array of values.
+      * @param array A typed or untyped array of values to set.
+      * @param offset The index in the current array at which the values are to be written.
+      */
    set(array: ArrayLike<bigint>, offset?: number): void;

    /**
-     * Returns a section of an array.
-     * @param start The beginning of the specified portion of the array.
-     * @param end The end of the specified portion of the array.
-     */
+      * Returns a section of an array.
+      * @param start The beginning of the specified portion of the array.
+      * @param end The end of the specified portion of the array.
+      */
    slice(start?: number, end?: number): BigUint64Array;

    /**
-     * Determines whether the specified callback function returns true for any element of an array.
-     * @param callbackfn A function that accepts up to three arguments. The some method calls the
-     * callbackfn function for each element in the array until the callbackfn returns true, or until
-     * the end of the array.
-     * @param thisArg An object to which the this keyword can refer in the callbackfn function.
-     * If thisArg is omitted, undefined is used as the this value.
-     */
+      * Determines whether the specified callback function returns true for any element of an array.
+      * @param callbackfn A function that accepts up to three arguments. The some method calls the
+      * callbackfn function for each element in the array until the callbackfn returns true, or until
+      * the end of the array.
+      * @param thisArg An object to which the this keyword can refer in the callbackfn function.
+      * If thisArg is omitted, undefined is used as the this value.
+      */
    some(callbackfn: (value: bigint, index: number, array: BigUint64Array) => boolean, thisArg?: any): boolean;

    /**
-     * Sorts the array.
-     * @param compareFn The function used to determine the order of the elements. If omitted, the elements are sorted in ascending order.
-     */
+      * Sorts the array.
+      * @param compareFn The function used to determine the order of the elements. If omitted, the elements are sorted in ascending order.
+      */
    sort(compareFn?: (a: bigint, b: bigint) => number | bigint): this;

    /**
-     * Gets a new BigUint64Array view of the ArrayBuffer store for this array, referencing the elements
-     * at begin, inclusive, up to end, exclusive.
-     * @param begin The index of the beginning of the array.
-     * @param end The index of the end of the array.
-     */
-    subarray(begin?: number, end?: number): BigUint64Array;
+      * Gets a new BigUint64Array view of the ArrayBuffer store for this array, referencing the elements
+      * at begin, inclusive, up to end, exclusive.
+      * @param begin The index of the beginning of the array.
+      * @param end The index of the end of the array.
+      */
+    subarray(begin: number, end?: number): BigUint64Array;

    /** Converts the array to a string by using the current locale. */
    toLocaleString(): string;
@@ -577,17 +577,17 @@ interface BigUint64ArrayConstructor {
    readonly BYTES_PER_ELEMENT: number;

    /**
-     * Returns a new array from a set of elements.
-     * @param items A set of elements to include in the new array object.
-     */
+      * Returns a new array from a set of elements.
+      * @param items A set of elements to include in the new array object.
+      */
    of(...items: bigint[]): BigUint64Array;

    /**
-     * Creates an array from an array-like or iterable object.
-     * @param arrayLike An array-like or iterable object to convert to an array.
-     * @param mapfn A mapping function to call on every element of the array.
-     * @param thisArg Value of 'this' used to invoke the mapfn.
-     */
+      * Creates an array from an array-like or iterable object.
+      * @param arrayLike An array-like or iterable object to convert to an array.
+      * @param mapfn A mapping function to call on every element of the array.
+      * @param thisArg Value of 'this' used to invoke the mapfn.
+      */
    from(arrayLike: ArrayLike<bigint>): BigUint64Array;
    from<U>(arrayLike: ArrayLike<U>, mapfn: (v: U, k: number) => bigint, thisArg?: any): BigUint64Array;
 }
@@ -596,34 +596,34 @@ declare var BigUint64Array: BigUint64ArrayConstructor;

 interface DataView {
    /**
-     * Gets the BigInt64 value at the specified byte offset from the start of the view. There is
-     * no alignment constraint; multi-byte values may be fetched from any offset.
-     * @param byteOffset The place in the buffer at which the value should be retrieved.
-     */
+      * Gets the BigInt64 value at the specified byte offset from the start of the view. There is
+      * no alignment constraint; multi-byte values may be fetched from any offset.
+      * @param byteOffset The place in the buffer at which the value should be retrieved.
+      */
    getBigInt64(byteOffset: number, littleEndian?: boolean): bigint;

    /**
-     * Gets the BigUint64 value at the specified byte offset from the start of the view. There is
-     * no alignment constraint; multi-byte values may be fetched from any offset.
-     * @param byteOffset The place in the buffer at which the value should be retrieved.
-     */
+      * Gets the BigUint64 value at the specified byte offset from the start of the view. There is
+      * no alignment constraint; multi-byte values may be fetched from any offset.
+      * @param byteOffset The place in the buffer at which the value should be retrieved.
+      */
    getBigUint64(byteOffset: number, littleEndian?: boolean): bigint;

    /**
-     * Stores a BigInt64 value at the specified byte offset from the start of the view.
-     * @param byteOffset The place in the buffer at which the value should be set.
-     * @param value The value to set.
-     * @param littleEndian If false or undefined, a big-endian value should be written,
-     * otherwise a little-endian value should be written.
-     */
+      * Stores a BigInt64 value at the specified byte offset from the start of the view.
+      * @param byteOffset The place in the buffer at which the value should be set.
+      * @param value The value to set.
+      * @param littleEndian If false or undefined, a big-endian value should be written,
+      * otherwise a little-endian value should be written.
+      */
    setBigInt64(byteOffset: number, value: bigint, littleEndian?: boolean): void;

    /**
-     * Stores a BigUint64 value at the specified byte offset from the start of the view.
-     * @param byteOffset The place in the buffer at which the value should be set.
-     * @param value The value to set.
-     * @param littleEndian If false or undefined, a big-endian value should be written,
-     * otherwise a little-endian value should be written.
-     */
+      * Stores a BigUint64 value at the specified byte offset from the start of the view.
+      * @param byteOffset The place in the buffer at which the value should be set.
+      * @param value The value to set.
+      * @param littleEndian If false or undefined, a big-endian value should be written,
+      * otherwise a little-endian value should be written.
+      */
    setBigUint64(byteOffset: number, value: bigint, littleEndian?: boolean): void;
 }
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -19,5 +19,6 @@ and limitations under the License.


 /// <reference lib="es2020" />
-/// <reference lib="esnext.bigint" />
 /// <reference lib="esnext.intl" />
+/// <reference lib="esnext.string" />
+/// <reference lib="esnext.promise" />
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -0,0 +1,43 @@
+/*! *****************************************************************************
+Copyright (c) Microsoft Corporation. All rights reserved.
+Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+this file except in compliance with the License. You may obtain a copy of the
+License at http://www.apache.org/licenses/LICENSE-2.0
+
+THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
+See the Apache Version 2.0 License for specific language governing permissions
+and limitations under the License.
+***************************************************************************** */
+
+
+
+/// <reference no-default-lib="true"/>
+
+
+interface AggregateError extends Error {
+    errors: any[]
+}
+
+interface AggregateErrorConstructor {
+    new(errors: Iterable<any>, message?: string): AggregateError;
+    (errors: Iterable<any>, message?: string): AggregateError;
+    readonly prototype: AggregateError;
+}
+
+declare var AggregateError: AggregateErrorConstructor;
+
+/**
+ * Represents the completion of an asynchronous operation
+ */
+interface PromiseConstructor {
+    /**
+     * The any function returns a promise that is fulfilled by the first given promise to be fulfilled, or rejected with an AggregateError containing an array of rejection reasons if all of the given promises are rejected. It resolves all elements of the passed iterable to promises as it runs this algorithm.
+     * @param values An array or iterable of Promises.
+     * @returns A new Promise.
+     */
+    any<T>(values: (T | PromiseLike<T>)[] | Iterable<T | PromiseLike<T>>): Promise<T>
+}
@@ -0,0 +1,28 @@
+/*! *****************************************************************************
+Copyright (c) Microsoft Corporation. All rights reserved.
+Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+this file except in compliance with the License. You may obtain a copy of the
+License at http://www.apache.org/licenses/LICENSE-2.0
+
+THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
+See the Apache Version 2.0 License for specific language governing permissions
+and limitations under the License.
+***************************************************************************** */
+
+
+
+/// <reference no-default-lib="true"/>
+
+
+interface String {
+    /**
+     * Replace all instances of a substring in a string, using a regular expression or search string.
+     * @param searchValue A string to search for.
+     * @param replaceValue A string containing the text to replace for every successful match of searchValue in this string.
+     */
+    replaceAll(searchValue: string | RegExp, replaceValue: string): string;
+}
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -239,6 +239,15 @@ interface IDBVersionChangeEventInit extends EventInit {
    oldVersion?: number;
 }

+interface ImageBitmapOptions {
+    colorSpaceConversion?: ColorSpaceConversion;
+    imageOrientation?: ImageOrientation;
+    premultiplyAlpha?: PremultiplyAlpha;
+    resizeHeight?: number;
+    resizeQuality?: ResizeQuality;
+    resizeWidth?: number;
+}
+
 interface ImageBitmapRenderingContextSettings {
    alpha?: boolean;
 }
@@ -370,7 +379,7 @@ interface PushPermissionDescriptor extends PermissionDescriptor {
    userVisibleOnly?: boolean;
 }

-interface PushSubscriptionChangeInit extends ExtendableEventInit {
+interface PushSubscriptionChangeEventInit extends ExtendableEventInit {
    newSubscription?: PushSubscription;
    oldSubscription?: PushSubscription;
 }
@@ -391,6 +400,16 @@ interface QueuingStrategy<T = any> {
    size?: QueuingStrategySizeCallback<T>;
 }

+interface ReadableStreamReadDoneResult<T> {
+    done: true;
+    value?: T;
+}
+
+interface ReadableStreamReadValueResult<T> {
+    done: false;
+    value: T;
+}
+
 interface RegistrationOptions {
    scope?: string;
    type?: WorkerType;
@@ -642,7 +661,10 @@ interface AnimationFrameProvider {
 interface Blob {
    readonly size: number;
    readonly type: string;
+    arrayBuffer(): Promise<ArrayBuffer>;
    slice(start?: number, end?: number, contentType?: string): Blob;
+    stream(): ReadableStream;
+    text(): Promise<string>;
 }

 declare var Blob: {
@@ -723,7 +745,7 @@ interface CacheStorage {
    delete(cacheName: string): Promise<boolean>;
    has(cacheName: string): Promise<boolean>;
    keys(): Promise<string[]>;
-    match(request: RequestInfo, options?: CacheQueryOptions): Promise<Response | undefined>;
+    match(request: RequestInfo, options?: MultiCacheQueryOptions): Promise<Response | undefined>;
    open(cacheName: string): Promise<Cache>;
 }

@@ -761,7 +783,7 @@ interface CanvasFillStrokeStyles {
    fillStyle: string | CanvasGradient | CanvasPattern;
    strokeStyle: string | CanvasGradient | CanvasPattern;
    createLinearGradient(x0: number, y0: number, x1: number, y1: number): CanvasGradient;
-    createPattern(image: CanvasImageSource, repetition: string): CanvasPattern | null;
+    createPattern(image: CanvasImageSource, repetition: string | null): CanvasPattern | null;
    createRadialGradient(x0: number, y0: number, r0: number, x1: number, y1: number, r1: number): CanvasGradient;
 }

@@ -903,11 +925,18 @@ declare var Clients: {

 /** A CloseEvent is sent to clients using WebSockets when the connection is closed. This is delivered to the listener indicated by the WebSocket object's onclose attribute. */
 interface CloseEvent extends Event {
+    /**
+     * Returns the WebSocket connection close code provided by the server.
+     */
    readonly code: number;
+    /**
+     * Returns the WebSocket connection close reason provided by the server.
+     */
    readonly reason: string;
+    /**
+     * Returns true if the connection closed cleanly; false otherwise.
+     */
    readonly wasClean: boolean;
-    /** @deprecated */
-    initCloseEvent(typeArg: string, canBubbleArg: boolean, cancelableArg: boolean, wasCleanArg: boolean, codeArg: number, reasonArg: string): void;
 }

 declare var CloseEvent: {
@@ -924,40 +953,6 @@ interface ConcatParams extends Algorithm {
    publicInfo?: Uint8Array;
 }

-/** Provides access to the browser's debugging console (e.g. the Web Console in Firefox). The specifics of how it works varies from browser to browser, but there is a de facto set of features that are typically provided. */
-interface Console {
-    memory: any;
-    assert(condition?: boolean, message?: string, ...data: any[]): void;
-    clear(): void;
-    count(label?: string): void;
-    debug(message?: any, ...optionalParams: any[]): void;
-    dir(value?: any, ...optionalParams: any[]): void;
-    dirxml(value: any): void;
-    error(message?: any, ...optionalParams: any[]): void;
-    exception(message?: string, ...optionalParams: any[]): void;
-    group(groupTitle?: string, ...optionalParams: any[]): void;
-    groupCollapsed(groupTitle?: string, ...optionalParams: any[]): void;
-    groupEnd(): void;
-    info(message?: any, ...optionalParams: any[]): void;
-    log(message?: any, ...optionalParams: any[]): void;
-    markTimeline(label?: string): void;
-    profile(reportName?: string): void;
-    profileEnd(reportName?: string): void;
-    table(...tabularData: any[]): void;
-    time(label?: string): void;
-    timeEnd(label?: string): void;
-    timeStamp(label?: string): void;
-    timeline(label?: string): void;
-    timelineEnd(label?: string): void;
-    trace(message?: any, ...optionalParams: any[]): void;
-    warn(message?: any, ...optionalParams: any[]): void;
-}
-
-declare var Console: {
-    prototype: Console;
-    new(): Console;
-};
-
 /** This Streams API interface provides a built-in byte length queuing strategy that can be used when constructing streams. */
 interface CountQueuingStrategy extends QueuingStrategy {
    highWaterMark: number;
@@ -1264,12 +1259,24 @@ declare var DOMStringList: {

 interface DedicatedWorkerGlobalScopeEventMap extends WorkerGlobalScopeEventMap {
    "message": MessageEvent;
+    "messageerror": MessageEvent;
 }

 /** (the Worker global scope) is accessible through the self keyword. Some additional global functions, namespaces objects, and constructors, not typically associated with the worker global scope, but available on it, are listed in the JavaScript Reference. See also: Functions available to workers. */
 interface DedicatedWorkerGlobalScope extends WorkerGlobalScope, AnimationFrameProvider {
+    /**
+     * Returns dedicatedWorkerGlobal's name, i.e. the value given to the Worker constructor. Primarily useful for debugging.
+     */
+    readonly name: string;
    onmessage: ((this: DedicatedWorkerGlobalScope, ev: MessageEvent) => any) | null;
+    onmessageerror: ((this: DedicatedWorkerGlobalScope, ev: MessageEvent) => any) | null;
+    /**
+     * Aborts dedicatedWorkerGlobal.
+     */
    close(): void;
+    /**
+     * Clones message and transmits it to the Worker object associated with dedicatedWorkerGlobal. transfer can be passed as a list of objects that are to be transferred rather than cloned.
+     */
    postMessage(message: any, transfer: Transferable[]): void;
    postMessage(message: any, options?: PostMessageOptions): void;
    addEventListener<K extends keyof DedicatedWorkerGlobalScopeEventMap>(type: K, listener: (this: DedicatedWorkerGlobalScope, ev: DedicatedWorkerGlobalScopeEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
@@ -1475,7 +1482,7 @@ interface EventTarget {
     * 
     * When set to true, options's capture prevents callback from being invoked when the event's eventPhase attribute value is BUBBLING_PHASE. When false (or not present), callback will not be invoked when event's eventPhase attribute value is CAPTURING_PHASE. Either way, callback will be invoked if event's eventPhase attribute value is AT_TARGET.
     * 
-     * When set to true, options's passive indicates that the callback will not cancel the event by invoking preventDefault(). This is used to enable performance optimizations described in §2.8 Observing event listeners.
+     * When set to true, options's passive indicates that the callback will not cancel the event by invoking preventDefault(). This is used to enable performance optimizations described in § 2.8 Observing event listeners.
     * 
     * When set to true, options's once indicates that the callback will only be invoked once after which the event listener will be removed.
     * 
@@ -1636,7 +1643,7 @@ interface GenericTransformStream {
     */
    readonly readable: ReadableStream;
    /**
-     * Returns a writable stream which accepts BufferSource chunks and runs them through encoding's decoder before making them available to readable.
+     * Returns a writable stream which accepts [AllowShared] BufferSource chunks and runs them through encoding's decoder before making them available to readable.
     * 
     * Typically this will be used via the pipeThrough() method on a ReadableStream source.
     * 
@@ -2178,15 +2185,6 @@ declare var ImageBitmap: {
    new(): ImageBitmap;
 };

-interface ImageBitmapOptions {
-    colorSpaceConversion?: "none" | "default";
-    imageOrientation?: "none" | "flipY";
-    premultiplyAlpha?: "none" | "premultiply" | "default";
-    resizeHeight?: number;
-    resizeQuality?: "pixelated" | "low" | "medium" | "high";
-    resizeWidth?: number;
-}
-
 interface ImageBitmapRenderingContext {
    /**
     * Returns the canvas element that the context is bound to.
@@ -2318,10 +2316,6 @@ declare var NavigationPreloadManager: {
    new(): NavigationPreloadManager;
 };

-interface NavigatorBeacon {
-    sendBeacon(url: string, data?: Blob | Int8Array | Int16Array | Int32Array | Uint8Array | Uint16Array | Uint32Array | Uint8ClampedArray | Float32Array | Float64Array | DataView | ArrayBuffer | FormData | string | null): boolean;
-}
-
 interface NavigatorConcurrentHardware {
    readonly hardwareConcurrency: number;
 }
@@ -2335,6 +2329,11 @@ interface NavigatorID {
    readonly userAgent: string;
 }

+interface NavigatorLanguage {
+    readonly language: string;
+    readonly languages: ReadonlyArray<string>;
+}
+
 interface NavigatorOnLine {
    readonly onLine: boolean;
 }
@@ -2715,7 +2714,7 @@ interface PushSubscriptionChangeEvent extends ExtendableEvent {

 declare var PushSubscriptionChangeEvent: {
    prototype: PushSubscriptionChangeEvent;
-    new(type: string, eventInitDict?: PushSubscriptionChangeInit): PushSubscriptionChangeEvent;
+    new(type: string, eventInitDict?: PushSubscriptionChangeEventInit): PushSubscriptionChangeEvent;
 };

 interface PushSubscriptionOptions {
@@ -2780,11 +2779,6 @@ interface ReadableStreamDefaultReader<R = any> {
    releaseLock(): void;
 }

-interface ReadableStreamReadResult<T> {
-    done: boolean;
-    value: T;
-}
-
 interface ReadableStreamReader<R = any> {
    cancel(): Promise<void>;
    read(): Promise<ReadableStreamReadResult<R>>;
@@ -2963,6 +2957,7 @@ interface ServiceWorkerGlobalScope extends WorkerGlobalScope {
    onpushsubscriptionchange: ((this: ServiceWorkerGlobalScope, ev: PushSubscriptionChangeEvent) => any) | null;
    onsync: ((this: ServiceWorkerGlobalScope, ev: SyncEvent) => any) | null;
    readonly registration: ServiceWorkerRegistration;
+    readonly serviceWorker: ServiceWorker;
    skipWaiting(): Promise<void>;
    addEventListener<K extends keyof ServiceWorkerGlobalScopeEventMap>(type: K, listener: (this: ServiceWorkerGlobalScope, ev: ServiceWorkerGlobalScopeEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
@@ -3005,6 +3000,47 @@ declare var ServiceWorkerRegistration: {
    new(): ServiceWorkerRegistration;
 };

+interface SharedWorker extends EventTarget, AbstractWorker {
+    /**
+     * Returns sharedWorker's MessagePort object which can be used to communicate with the global environment.
+     */
+    readonly port: MessagePort;
+    addEventListener<K extends keyof AbstractWorkerEventMap>(type: K, listener: (this: SharedWorker, ev: AbstractWorkerEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
+    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
+    removeEventListener<K extends keyof AbstractWorkerEventMap>(type: K, listener: (this: SharedWorker, ev: AbstractWorkerEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
+    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
+}
+
+declare var SharedWorker: {
+    prototype: SharedWorker;
+    new(scriptURL: string, options?: string | WorkerOptions): SharedWorker;
+};
+
+interface SharedWorkerGlobalScopeEventMap extends WorkerGlobalScopeEventMap {
+    "connect": MessageEvent;
+}
+
+interface SharedWorkerGlobalScope extends WorkerGlobalScope {
+    /**
+     * Returns sharedWorkerGlobal's name, i.e. the value given to the SharedWorker constructor. Multiple SharedWorker objects can correspond to the same shared worker (and SharedWorkerGlobalScope), by reusing the same name.
+     */
+    readonly name: string;
+    onconnect: ((this: SharedWorkerGlobalScope, ev: MessageEvent) => any) | null;
+    /**
+     * Aborts sharedWorkerGlobal.
+     */
+    close(): void;
+    addEventListener<K extends keyof SharedWorkerGlobalScopeEventMap>(type: K, listener: (this: SharedWorkerGlobalScope, ev: SharedWorkerGlobalScopeEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
+    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
+    removeEventListener<K extends keyof SharedWorkerGlobalScopeEventMap>(type: K, listener: (this: SharedWorkerGlobalScope, ev: SharedWorkerGlobalScopeEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
+    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
+}
+
+declare var SharedWorkerGlobalScope: {
+    prototype: SharedWorkerGlobalScope;
+    new(): SharedWorkerGlobalScope;
+};
+
 interface StorageManager {
    estimate(): Promise<StorageEstimate>;
    persisted(): Promise<boolean>;
@@ -3017,24 +3053,24 @@ declare var StorageManager: {

 /** This Web Crypto API interface provides a number of low-level cryptographic functions. It is accessed via the Crypto.subtle properties available in a window context (via Window.crypto). */
 interface SubtleCrypto {
-    decrypt(algorithm: string | RsaOaepParams | AesCtrParams | AesCbcParams | AesCmacParams | AesGcmParams | AesCfbParams, key: CryptoKey, data: Int8Array | Int16Array | Int32Array | Uint8Array | Uint16Array | Uint32Array | Uint8ClampedArray | Float32Array | Float64Array | DataView | ArrayBuffer): PromiseLike<ArrayBuffer>;
-    deriveBits(algorithm: string | EcdhKeyDeriveParams | DhKeyDeriveParams | ConcatParams | HkdfCtrParams | Pbkdf2Params, baseKey: CryptoKey, length: number): PromiseLike<ArrayBuffer>;
-    deriveKey(algorithm: string | EcdhKeyDeriveParams | DhKeyDeriveParams | ConcatParams | HkdfCtrParams | Pbkdf2Params, baseKey: CryptoKey, derivedKeyType: string | AesDerivedKeyParams | HmacImportParams | ConcatParams | HkdfCtrParams | Pbkdf2Params, extractable: boolean, keyUsages: string[]): PromiseLike<CryptoKey>;
-    digest(algorithm: string | Algorithm, data: Int8Array | Int16Array | Int32Array | Uint8Array | Uint16Array | Uint32Array | Uint8ClampedArray | Float32Array | Float64Array | DataView | ArrayBuffer): PromiseLike<ArrayBuffer>;
-    encrypt(algorithm: string | RsaOaepParams | AesCtrParams | AesCbcParams | AesCmacParams | AesGcmParams | AesCfbParams, key: CryptoKey, data: Int8Array | Int16Array | Int32Array | Uint8Array | Uint16Array | Uint32Array | Uint8ClampedArray | Float32Array | Float64Array | DataView | ArrayBuffer): PromiseLike<ArrayBuffer>;
+    decrypt(algorithm: AlgorithmIdentifier | RsaOaepParams | AesCtrParams | AesCbcParams | AesCmacParams | AesGcmParams | AesCfbParams, key: CryptoKey, data: Int8Array | Int16Array | Int32Array | Uint8Array | Uint16Array | Uint32Array | Uint8ClampedArray | Float32Array | Float64Array | DataView | ArrayBuffer): PromiseLike<ArrayBuffer>;
+    deriveBits(algorithm: AlgorithmIdentifier | EcdhKeyDeriveParams | DhKeyDeriveParams | ConcatParams | HkdfCtrParams | Pbkdf2Params, baseKey: CryptoKey, length: number): PromiseLike<ArrayBuffer>;
+    deriveKey(algorithm: AlgorithmIdentifier | EcdhKeyDeriveParams | DhKeyDeriveParams | ConcatParams | HkdfCtrParams | Pbkdf2Params, baseKey: CryptoKey, derivedKeyType: string | AesDerivedKeyParams | HmacImportParams | ConcatParams | HkdfCtrParams | Pbkdf2Params, extractable: boolean, keyUsages: KeyUsage[]): PromiseLike<CryptoKey>;
+    digest(algorithm: AlgorithmIdentifier, data: Int8Array | Int16Array | Int32Array | Uint8Array | Uint16Array | Uint32Array | Uint8ClampedArray | Float32Array | Float64Array | DataView | ArrayBuffer): PromiseLike<ArrayBuffer>;
+    encrypt(algorithm: AlgorithmIdentifier | RsaOaepParams | AesCtrParams | AesCbcParams | AesCmacParams | AesGcmParams | AesCfbParams, key: CryptoKey, data: Int8Array | Int16Array | Int32Array | Uint8Array | Uint16Array | Uint32Array | Uint8ClampedArray | Float32Array | Float64Array | DataView | ArrayBuffer): PromiseLike<ArrayBuffer>;
    exportKey(format: "jwk", key: CryptoKey): PromiseLike<JsonWebKey>;
    exportKey(format: "raw" | "pkcs8" | "spki", key: CryptoKey): PromiseLike<ArrayBuffer>;
    exportKey(format: string, key: CryptoKey): PromiseLike<JsonWebKey | ArrayBuffer>;
-    generateKey(algorithm: string, extractable: boolean, keyUsages: string[]): PromiseLike<CryptoKeyPair | CryptoKey>;
-    generateKey(algorithm: RsaHashedKeyGenParams | EcKeyGenParams | DhKeyGenParams, extractable: boolean, keyUsages: string[]): PromiseLike<CryptoKeyPair>;
-    generateKey(algorithm: AesKeyGenParams | HmacKeyGenParams | Pbkdf2Params, extractable: boolean, keyUsages: string[]): PromiseLike<CryptoKey>;
-    importKey(format: "jwk", keyData: JsonWebKey, algorithm: string | RsaHashedImportParams | EcKeyImportParams | HmacImportParams | DhImportKeyParams | AesKeyAlgorithm, extractable: boolean, keyUsages: string[]): PromiseLike<CryptoKey>;
-    importKey(format: "raw" | "pkcs8" | "spki", keyData: Int8Array | Int16Array | Int32Array | Uint8Array | Uint16Array | Uint32Array | Uint8ClampedArray | Float32Array | Float64Array | DataView | ArrayBuffer, algorithm: string | RsaHashedImportParams | EcKeyImportParams | HmacImportParams | DhImportKeyParams | AesKeyAlgorithm, extractable: boolean, keyUsages: string[]): PromiseLike<CryptoKey>;
-    importKey(format: string, keyData: JsonWebKey | Int8Array | Int16Array | Int32Array | Uint8Array | Uint16Array | Uint32Array | Uint8ClampedArray | Float32Array | Float64Array | DataView | ArrayBuffer, algorithm: string | RsaHashedImportParams | EcKeyImportParams | HmacImportParams | DhImportKeyParams | AesKeyAlgorithm, extractable: boolean, keyUsages: string[]): PromiseLike<CryptoKey>;
-    sign(algorithm: string | RsaPssParams | EcdsaParams | AesCmacParams, key: CryptoKey, data: Int8Array | Int16Array | Int32Array | Uint8Array | Uint16Array | Uint32Array | Uint8ClampedArray | Float32Array | Float64Array | DataView | ArrayBuffer): PromiseLike<ArrayBuffer>;
-    unwrapKey(format: string, wrappedKey: Int8Array | Int16Array | Int32Array | Uint8Array | Uint16Array | Uint32Array | Uint8ClampedArray | Float32Array | Float64Array | DataView | ArrayBuffer, unwrappingKey: CryptoKey, unwrapAlgorithm: string | Algorithm, unwrappedKeyAlgorithm: string | Algorithm, extractable: boolean, keyUsages: string[]): PromiseLike<CryptoKey>;
-    verify(algorithm: string | RsaPssParams | EcdsaParams | AesCmacParams, key: CryptoKey, signature: Int8Array | Int16Array | Int32Array | Uint8Array | Uint16Array | Uint32Array | Uint8ClampedArray | Float32Array | Float64Array | DataView | ArrayBuffer, data: Int8Array | Int16Array | Int32Array | Uint8Array | Uint16Array | Uint32Array | Uint8ClampedArray | Float32Array | Float64Array | DataView | ArrayBuffer): PromiseLike<boolean>;
-    wrapKey(format: string, key: CryptoKey, wrappingKey: CryptoKey, wrapAlgorithm: string | Algorithm): PromiseLike<ArrayBuffer>;
+    generateKey(algorithm: AlgorithmIdentifier, extractable: boolean, keyUsages: KeyUsage[]): PromiseLike<CryptoKeyPair | CryptoKey>;
+    generateKey(algorithm: RsaHashedKeyGenParams | EcKeyGenParams | DhKeyGenParams, extractable: boolean, keyUsages: KeyUsage[]): PromiseLike<CryptoKeyPair>;
+    generateKey(algorithm: AesKeyGenParams | HmacKeyGenParams | Pbkdf2Params, extractable: boolean, keyUsages: KeyUsage[]): PromiseLike<CryptoKey>;
+    importKey(format: "jwk", keyData: JsonWebKey, algorithm: AlgorithmIdentifier | RsaHashedImportParams | EcKeyImportParams | HmacImportParams | DhImportKeyParams | AesKeyAlgorithm, extractable: boolean, keyUsages: KeyUsage[]): PromiseLike<CryptoKey>;
+    importKey(format: "raw" | "pkcs8" | "spki", keyData: Int8Array | Int16Array | Int32Array | Uint8Array | Uint16Array | Uint32Array | Uint8ClampedArray | Float32Array | Float64Array | DataView | ArrayBuffer, algorithm: AlgorithmIdentifier | RsaHashedImportParams | EcKeyImportParams | HmacImportParams | DhImportKeyParams | AesKeyAlgorithm, extractable: boolean, keyUsages: KeyUsage[]): PromiseLike<CryptoKey>;
+    importKey(format: string, keyData: JsonWebKey | Int8Array | Int16Array | Int32Array | Uint8Array | Uint16Array | Uint32Array | Uint8ClampedArray | Float32Array | Float64Array | DataView | ArrayBuffer, algorithm: AlgorithmIdentifier | RsaHashedImportParams | EcKeyImportParams | HmacImportParams | DhImportKeyParams | AesKeyAlgorithm, extractable: boolean, keyUsages: KeyUsage[]): PromiseLike<CryptoKey>;
+    sign(algorithm: AlgorithmIdentifier | RsaPssParams | EcdsaParams | AesCmacParams, key: CryptoKey, data: Int8Array | Int16Array | Int32Array | Uint8Array | Uint16Array | Uint32Array | Uint8ClampedArray | Float32Array | Float64Array | DataView | ArrayBuffer): PromiseLike<ArrayBuffer>;
+    unwrapKey(format: "raw" | "pkcs8" | "spki" | "jwk" | string, wrappedKey: Int8Array | Int16Array | Int32Array | Uint8Array | Uint16Array | Uint32Array | Uint8ClampedArray | Float32Array | Float64Array | DataView | ArrayBuffer, unwrappingKey: CryptoKey, unwrapAlgorithm: AlgorithmIdentifier | RsaOaepParams | AesCtrParams | AesCbcParams | AesCmacParams | AesGcmParams | AesCfbParams, unwrappedKeyAlgorithm: AlgorithmIdentifier | RsaHashedImportParams | EcKeyImportParams | HmacImportParams | DhImportKeyParams | AesKeyAlgorithm, extractable: boolean, keyUsages: KeyUsage[]): PromiseLike<CryptoKey>;
+    verify(algorithm: AlgorithmIdentifier | RsaPssParams | EcdsaParams | AesCmacParams, key: CryptoKey, signature: Int8Array | Int16Array | Int32Array | Uint8Array | Uint16Array | Uint32Array | Uint8ClampedArray | Float32Array | Float64Array | DataView | ArrayBuffer, data: Int8Array | Int16Array | Int32Array | Uint8Array | Uint16Array | Uint32Array | Uint8ClampedArray | Float32Array | Float64Array | DataView | ArrayBuffer): PromiseLike<boolean>;
+    wrapKey(format: "raw" | "pkcs8" | "spki" | "jwk" | string, key: CryptoKey, wrappingKey: CryptoKey, wrapAlgorithm: AlgorithmIdentifier | RsaOaepParams | AesCtrParams | AesCbcParams | AesCmacParams | AesGcmParams | AesCfbParams): PromiseLike<ArrayBuffer>;
 }

 declare var SubtleCrypto: {
@@ -3103,6 +3139,8 @@ interface TextDecoderCommon {
 }

 interface TextDecoderStream extends GenericTransformStream, TextDecoderCommon {
+    readonly readable: ReadableStream<string>;
+    readonly writable: WritableStream<BufferSource>;
 }

 declare var TextDecoderStream: {
@@ -3135,6 +3173,8 @@ interface TextEncoderCommon {
 }

 interface TextEncoderStream extends GenericTransformStream, TextEncoderCommon {
+    readonly readable: ReadableStream<Uint8Array>;
+    readonly writable: WritableStream<string>;
 }

 declare var TextEncoderStream: {
@@ -3222,6 +3262,7 @@ interface URL {
    host: string;
    hostname: string;
    href: string;
+    toString(): string;
    readonly origin: string;
    password: string;
    pathname: string;
@@ -3266,12 +3307,17 @@ interface URLSearchParams {
     */
    set(name: string, value: string): void;
    sort(): void;
+    /**
+     * Returns a string containing a query string suitable for use in a URL. Does not include the question mark.
+     */
+    toString(): string;
    forEach(callbackfn: (value: string, key: string, parent: URLSearchParams) => void, thisArg?: any): void;
 }

 declare var URLSearchParams: {
    prototype: URLSearchParams;
    new(init?: string[][] | Record<string, string> | string | URLSearchParams): URLSearchParams;
+    toString(): string;
 };

 interface WEBGL_color_buffer_float {
@@ -5277,17 +5323,45 @@ interface WebSocketEventMap {

 /** Provides the API for creating and managing a WebSocket connection to a server, as well as for sending and receiving data on the connection. */
 interface WebSocket extends EventTarget {
+    /**
+     * Returns a string that indicates how binary data from the WebSocket object is exposed to scripts:
+     * 
+     * Can be set, to change how binary data is returned. The default is "blob".
+     */
    binaryType: BinaryType;
+    /**
+     * Returns the number of bytes of application data (UTF-8 text and binary data) that have been queued using send() but not yet been transmitted to the network.
+     * 
+     * If the WebSocket connection is closed, this attribute's value will only increase with each call to the send() method. (The number does not reset to zero once the connection closes.)
+     */
    readonly bufferedAmount: number;
+    /**
+     * Returns the extensions selected by the server, if any.
+     */
    readonly extensions: string;
    onclose: ((this: WebSocket, ev: CloseEvent) => any) | null;
    onerror: ((this: WebSocket, ev: Event) => any) | null;
    onmessage: ((this: WebSocket, ev: MessageEvent) => any) | null;
    onopen: ((this: WebSocket, ev: Event) => any) | null;
+    /**
+     * Returns the subprotocol selected by the server, if any. It can be used in conjunction with the array form of the constructor's second argument to perform subprotocol negotiation.
+     */
    readonly protocol: string;
+    /**
+     * Returns the state of the WebSocket object's connection. It can have the values described below.
+     */
    readonly readyState: number;
+    /**
+     * Returns the URL that was used to establish the WebSocket connection.
+     */
    readonly url: string;
+    /**
+     * Closes the WebSocket connection, optionally using code as the the WebSocket connection close code and reason as the the WebSocket connection close reason.
+     */
    close(code?: number, reason?: string): void;
+    /**
+     * Transmits data using the WebSocket connection. data can be a string, a Blob, an ArrayBuffer, or an ArrayBufferView.
+     */
    send(data: string | ArrayBufferLike | Blob | ArrayBufferView): void;
    readonly CLOSED: number;
    readonly CLOSING: number;
@@ -5308,11 +5382,6 @@ declare var WebSocket: {
    readonly OPEN: number;
 };

-interface WindowBase64 {
-    atob(encodedString: string): string;
-    btoa(rawString: string): string;
-}
-
 /** This ServiceWorker API interface represents the scope of a service worker client that is a document in a browser context, controlled by an active worker. The service worker client independently selects and uses a service worker for its own loading and sub-resources. */
 interface WindowClient extends Client {
    readonly ancestorOrigins: ReadonlyArray<string>;
@@ -5327,37 +5396,42 @@ declare var WindowClient: {
    new(): WindowClient;
 };

-interface WindowConsole {
-    readonly console: Console;
-}
-
 interface WindowOrWorkerGlobalScope {
    readonly caches: CacheStorage;
    readonly crypto: Crypto;
    readonly indexedDB: IDBFactory;
+    readonly isSecureContext: boolean;
    readonly origin: string;
    readonly performance: Performance;
    atob(data: string): string;
    btoa(data: string): string;
    clearInterval(handle?: number): void;
    clearTimeout(handle?: number): void;
-    createImageBitmap(image: ImageBitmapSource): Promise<ImageBitmap>;
-    createImageBitmap(image: ImageBitmapSource, sx: number, sy: number, sw: number, sh: number): Promise<ImageBitmap>;
+    createImageBitmap(image: ImageBitmapSource, options?: ImageBitmapOptions): Promise<ImageBitmap>;
+    createImageBitmap(image: ImageBitmapSource, sx: number, sy: number, sw: number, sh: number, options?: ImageBitmapOptions): Promise<ImageBitmap>;
    fetch(input: RequestInfo, init?: RequestInit): Promise<Response>;
-    queueMicrotask(callback: Function): void;
+    queueMicrotask(callback: VoidFunction): void;
    setInterval(handler: TimerHandler, timeout?: number, ...arguments: any[]): number;
    setTimeout(handler: TimerHandler, timeout?: number, ...arguments: any[]): number;
 }

 interface WorkerEventMap extends AbstractWorkerEventMap {
    "message": MessageEvent;
+    "messageerror": MessageEvent;
 }

 /** This Web Workers API interface represents a background task that can be easily created and can send messages back to its creator. Creating a worker is as simple as calling the Worker() constructor and specifying a script to be run in the worker thread. */
 interface Worker extends EventTarget, AbstractWorker {
    onmessage: ((this: Worker, ev: MessageEvent) => any) | null;
+    onmessageerror: ((this: Worker, ev: MessageEvent) => any) | null;
+    /**
+     * Clones message and transmits it to worker's global environment. transfer can be passed as a list of objects that are to be transferred rather than cloned.
+     */
    postMessage(message: any, transfer: Transferable[]): void;
    postMessage(message: any, options?: PostMessageOptions): void;
+    /**
+     * Aborts worker's associated global environment.
+     */
    terminate(): void;
    addEventListener<K extends keyof WorkerEventMap>(type: K, listener: (this: Worker, ev: WorkerEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
@@ -5372,17 +5446,34 @@ declare var Worker: {

 interface WorkerGlobalScopeEventMap {
    "error": ErrorEvent;
+    "languagechange": Event;
+    "offline": Event;
+    "online": Event;
+    "rejectionhandled": PromiseRejectionEvent;
+    "unhandledrejection": PromiseRejectionEvent;
 }

 /** This Web Workers API interface is an interface representing the scope of any worker. Workers have no browsing context; this scope contains the information usually conveyed by Window objects — in this case event handlers, the console or the associated WorkerNavigator object. Each WorkerGlobalScope has its own event loop. */
-interface WorkerGlobalScope extends EventTarget, WindowConsole, WindowOrWorkerGlobalScope, WorkerUtils {
-    readonly caches: CacheStorage;
-    readonly isSecureContext: boolean;
+interface WorkerGlobalScope extends EventTarget, WindowOrWorkerGlobalScope {
+    /**
+     * Returns workerGlobal's WorkerLocation object.
+     */
    readonly location: WorkerLocation;
+    readonly navigator: WorkerNavigator;
    onerror: ((this: WorkerGlobalScope, ev: ErrorEvent) => any) | null;
-    readonly performance: Performance;
+    onlanguagechange: ((this: WorkerGlobalScope, ev: Event) => any) | null;
+    onoffline: ((this: WorkerGlobalScope, ev: Event) => any) | null;
+    ononline: ((this: WorkerGlobalScope, ev: Event) => any) | null;
+    onrejectionhandled: ((this: WorkerGlobalScope, ev: PromiseRejectionEvent) => any) | null;
+    onunhandledrejection: ((this: WorkerGlobalScope, ev: PromiseRejectionEvent) => any) | null;
+    /**
+     * Returns workerGlobal.
+     */
    readonly self: WorkerGlobalScope & typeof globalThis;
-    msWriteProfilerMark(profilerMarkName: string): void;
+    /**
+     * Fetches each URL in urls, executes them one-by-one in the order they are passed, and then returns (or throws if something went amiss).
+     */
+    importScripts(...urls: string[]): void;
    addEventListener<K extends keyof WorkerGlobalScopeEventMap>(type: K, listener: (this: WorkerGlobalScope, ev: WorkerGlobalScopeEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof WorkerGlobalScopeEventMap>(type: K, listener: (this: WorkerGlobalScope, ev: WorkerGlobalScopeEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
@@ -5400,12 +5491,12 @@ interface WorkerLocation {
    readonly host: string;
    readonly hostname: string;
    readonly href: string;
+    toString(): string;
    readonly origin: string;
    readonly pathname: string;
    readonly port: string;
    readonly protocol: string;
    readonly search: string;
-    toString(): string;
 }

 declare var WorkerLocation: {
@@ -5414,7 +5505,7 @@ declare var WorkerLocation: {
 };

 /** A subset of the Navigator interface allowed to be accessed from a Worker. Such an object is initialized for each worker and is available via the WorkerGlobalScope.navigator property obtained by calling window.self.navigator. */
-interface WorkerNavigator extends NavigatorBeacon, NavigatorConcurrentHardware, NavigatorID, NavigatorOnLine, NavigatorStorage {
+interface WorkerNavigator extends NavigatorConcurrentHardware, NavigatorID, NavigatorLanguage, NavigatorOnLine, NavigatorStorage {
    readonly permissions: Permissions;
    readonly serviceWorker: ServiceWorkerContainer;
 }
@@ -5424,13 +5515,6 @@ declare var WorkerNavigator: {
    new(): WorkerNavigator;
 };

-interface WorkerUtils extends WindowBase64 {
-    readonly indexedDB: IDBFactory;
-    readonly msIndexedDB: IDBFactory;
-    readonly navigator: WorkerNavigator;
-    importScripts(...urls: string[]): void;
-}
-
 /** This Streams API interface provides a standard abstraction for writing streaming data to a destination, known as a sink. This object comes with built-in backpressure and queuing. */
 interface WritableStream<W = any> {
    readonly locked: boolean;
@@ -5612,6 +5696,33 @@ declare var XMLHttpRequestUpload: {

 declare type EventListenerOrEventListenerObject = EventListener | EventListenerObject;

+interface Console {
+    memory: any;
+    assert(condition?: boolean, ...data: any[]): void;
+    clear(): void;
+    count(label?: string): void;
+    countReset(label?: string): void;
+    debug(...data: any[]): void;
+    dir(item?: any, options?: any): void;
+    dirxml(...data: any[]): void;
+    error(...data: any[]): void;
+    exception(message?: string, ...optionalParams: any[]): void;
+    group(...data: any[]): void;
+    groupCollapsed(...data: any[]): void;
+    groupEnd(): void;
+    info(...data: any[]): void;
+    log(...data: any[]): void;
+    table(tabularData?: any, properties?: string[]): void;
+    time(label?: string): void;
+    timeEnd(label?: string): void;
+    timeLog(label?: string, ...data: any[]): void;
+    timeStamp(label?: string): void;
+    trace(...data: any[]): void;
+    warn(...data: any[]): void;
+}
+
+declare var console: Console;
+
 declare namespace WebAssembly {
    interface Global {
        value: any;
@@ -5697,9 +5808,9 @@ declare namespace WebAssembly {
        module: Module;
    }
    
-    type ImportExportKind = "function" | "table" | "memory" | "global";
+    type ImportExportKind = "function" | "global" | "memory" | "table";
    type TableKind = "anyfunc";
-    type ValueType = "i32" | "i64" | "f32" | "f64";
+    type ValueType = "f32" | "f64" | "i32" | "i64";
    type ExportValue = Function | Global | Memory | Table;
    type Exports = Record<string, ExportValue>;
    type ImportValue = ExportValue | number;
@@ -5713,14 +5824,14 @@ declare namespace WebAssembly {
    function validate(bytes: BufferSource): boolean;
 }

-interface EventHandlerNonNull {
-    (event: Event): any;
-}
-
 interface FrameRequestCallback {
    (time: number): void;
 }

+interface OnErrorEventHandlerNonNull {
+    (event: Event | string, source?: string, lineno?: number, colno?: number, error?: Error): any;
+}
+
 interface PerformanceObserverCallback {
    (entries: PerformanceObserverEntryList, observer: PerformanceObserver): void;
 }
@@ -5749,6 +5860,10 @@ interface TransformStreamDefaultControllerTransformCallback<I, O> {
    (chunk: I, controller: TransformStreamDefaultController<O>): void | PromiseLike<void>;
 }

+interface VoidFunction {
+    (): void;
+}
+
 interface WritableStreamDefaultControllerCloseCallback {
    (): void | PromiseLike<void>;
 }
@@ -5765,45 +5880,62 @@ interface WritableStreamErrorCallback {
    (reason: any): void | PromiseLike<void>;
 }

+/**
+ * Returns dedicatedWorkerGlobal's name, i.e. the value given to the Worker constructor. Primarily useful for debugging.
+ */
+declare var name: string;
 declare var onmessage: ((this: DedicatedWorkerGlobalScope, ev: MessageEvent) => any) | null;
+declare var onmessageerror: ((this: DedicatedWorkerGlobalScope, ev: MessageEvent) => any) | null;
+/**
+ * Aborts dedicatedWorkerGlobal.
+ */
 declare function close(): void;
+/**
+ * Clones message and transmits it to the Worker object associated with dedicatedWorkerGlobal. transfer can be passed as a list of objects that are to be transferred rather than cloned.
+ */
 declare function postMessage(message: any, transfer: Transferable[]): void;
 declare function postMessage(message: any, options?: PostMessageOptions): void;
 /**
 * Dispatches a synthetic event event to target and returns true if either event's cancelable attribute value is false or its preventDefault() method was not invoked, and false otherwise.
 */
 declare function dispatchEvent(event: Event): boolean;
-declare var caches: CacheStorage;
-declare var isSecureContext: boolean;
+/**
+ * Returns workerGlobal's WorkerLocation object.
+ */
 declare var location: WorkerLocation;
+declare var navigator: WorkerNavigator;
 declare var onerror: ((this: DedicatedWorkerGlobalScope, ev: ErrorEvent) => any) | null;
-declare var performance: Performance;
+declare var onlanguagechange: ((this: DedicatedWorkerGlobalScope, ev: Event) => any) | null;
+declare var onoffline: ((this: DedicatedWorkerGlobalScope, ev: Event) => any) | null;
+declare var ononline: ((this: DedicatedWorkerGlobalScope, ev: Event) => any) | null;
+declare var onrejectionhandled: ((this: DedicatedWorkerGlobalScope, ev: PromiseRejectionEvent) => any) | null;
+declare var onunhandledrejection: ((this: DedicatedWorkerGlobalScope, ev: PromiseRejectionEvent) => any) | null;
+/**
+ * Returns workerGlobal.
+ */
 declare var self: WorkerGlobalScope & typeof globalThis;
-declare function msWriteProfilerMark(profilerMarkName: string): void;
+/**
+ * Fetches each URL in urls, executes them one-by-one in the order they are passed, and then returns (or throws if something went amiss).
+ */
+declare function importScripts(...urls: string[]): void;
 /**
 * Dispatches a synthetic event event to target and returns true if either event's cancelable attribute value is false or its preventDefault() method was not invoked, and false otherwise.
 */
 declare function dispatchEvent(event: Event): boolean;
-declare var indexedDB: IDBFactory;
-declare var msIndexedDB: IDBFactory;
-declare var navigator: WorkerNavigator;
-declare function importScripts(...urls: string[]): void;
-declare function atob(encodedString: string): string;
-declare function btoa(rawString: string): string;
-declare var console: Console;
 declare var caches: CacheStorage;
 declare var crypto: Crypto;
 declare var indexedDB: IDBFactory;
+declare var isSecureContext: boolean;
 declare var origin: string;
 declare var performance: Performance;
 declare function atob(data: string): string;
 declare function btoa(data: string): string;
 declare function clearInterval(handle?: number): void;
 declare function clearTimeout(handle?: number): void;
-declare function createImageBitmap(image: ImageBitmapSource): Promise<ImageBitmap>;
-declare function createImageBitmap(image: ImageBitmapSource, sx: number, sy: number, sw: number, sh: number): Promise<ImageBitmap>;
+declare function createImageBitmap(image: ImageBitmapSource, options?: ImageBitmapOptions): Promise<ImageBitmap>;
+declare function createImageBitmap(image: ImageBitmapSource, sx: number, sy: number, sw: number, sh: number, options?: ImageBitmapOptions): Promise<ImageBitmap>;
 declare function fetch(input: RequestInfo, init?: RequestInit): Promise<Response>;
-declare function queueMicrotask(callback: Function): void;
+declare function queueMicrotask(callback: VoidFunction): void;
 declare function setInterval(handler: TimerHandler, timeout?: number, ...arguments: any[]): number;
 declare function setTimeout(handler: TimerHandler, timeout?: number, ...arguments: any[]): number;
 declare function cancelAnimationFrame(handle: number): void;
@@ -5821,9 +5953,11 @@ type CanvasImageSource = ImageBitmap | OffscreenCanvas;
 type OffscreenRenderingContext = OffscreenCanvasRenderingContext2D | ImageBitmapRenderingContext | WebGLRenderingContext | WebGL2RenderingContext;
 type MessageEventSource = MessagePort | ServiceWorker;
 type ImageBitmapSource = CanvasImageSource | Blob | ImageData;
+type OnErrorEventHandler = OnErrorEventHandlerNonNull | null;
 type TimerHandler = string | Function;
 type PerformanceEntryList = PerformanceEntry[];
 type PushMessageDataInit = BufferSource | string;
+type ReadableStreamReadResult<T> = ReadableStreamReadValueResult<T> | ReadableStreamReadDoneResult<T>;
 type VibratePattern = number | number[];
 type AlgorithmIdentifier = string | Algorithm;
 type HashAlgorithmIdentifier = AlgorithmIdentifier;
@@ -5849,41 +5983,45 @@ type BufferSource = ArrayBufferView | ArrayBuffer;
 type DOMTimeStamp = number;
 type FormDataEntryValue = File | string;
 type IDBValidKey = number | string | Date | BufferSource | IDBArrayKey;
-type Transferable = ArrayBuffer | MessagePort | ImageBitmap;
-type BinaryType = "blob" | "arraybuffer";
-type CanvasDirection = "ltr" | "rtl" | "inherit";
-type CanvasFillRule = "nonzero" | "evenodd";
+type Transferable = ArrayBuffer | MessagePort | ImageBitmap | OffscreenCanvas;
+type BinaryType = "arraybuffer" | "blob";
+type CanvasDirection = "inherit" | "ltr" | "rtl";
+type CanvasFillRule = "evenodd" | "nonzero";
 type CanvasLineCap = "butt" | "round" | "square";
-type CanvasLineJoin = "round" | "bevel" | "miter";
-type CanvasTextAlign = "start" | "end" | "left" | "right" | "center";
-type CanvasTextBaseline = "top" | "hanging" | "middle" | "alphabetic" | "ideographic" | "bottom";
-type ClientTypes = "window" | "worker" | "sharedworker" | "all";
-type EndingType = "transparent" | "native";
-type FrameType = "auxiliary" | "top-level" | "nested" | "none";
+type CanvasLineJoin = "bevel" | "miter" | "round";
+type CanvasTextAlign = "center" | "end" | "left" | "right" | "start";
+type CanvasTextBaseline = "alphabetic" | "bottom" | "hanging" | "ideographic" | "middle" | "top";
+type ClientTypes = "all" | "sharedworker" | "window" | "worker";
+type ColorSpaceConversion = "default" | "none";
+type EndingType = "native" | "transparent";
+type FrameType = "auxiliary" | "nested" | "none" | "top-level";
 type IDBCursorDirection = "next" | "nextunique" | "prev" | "prevunique";
-type IDBRequestReadyState = "pending" | "done";
+type IDBRequestReadyState = "done" | "pending";
 type IDBTransactionMode = "readonly" | "readwrite" | "versionchange";
-type ImageSmoothingQuality = "low" | "medium" | "high";
-type KeyFormat = "raw" | "spki" | "pkcs8" | "jwk";
-type KeyType = "public" | "private" | "secret";
-type KeyUsage = "encrypt" | "decrypt" | "sign" | "verify" | "deriveKey" | "deriveBits" | "wrapKey" | "unwrapKey";
+type ImageOrientation = "flipY" | "none";
+type ImageSmoothingQuality = "high" | "low" | "medium";
+type KeyFormat = "jwk" | "pkcs8" | "raw" | "spki";
+type KeyType = "private" | "public" | "secret";
+type KeyUsage = "decrypt" | "deriveBits" | "deriveKey" | "encrypt" | "sign" | "unwrapKey" | "verify" | "wrapKey";
 type NotificationDirection = "auto" | "ltr" | "rtl";
 type NotificationPermission = "default" | "denied" | "granted";
 type OffscreenRenderingContextId = "2d" | "bitmaprenderer" | "webgl" | "webgl2";
-type PermissionName = "geolocation" | "notifications" | "push" | "midi" | "camera" | "microphone" | "speaker" | "device-info" | "background-sync" | "bluetooth" | "persistent-storage" | "ambient-light-sensor" | "accelerometer" | "gyroscope" | "magnetometer" | "clipboard";
-type PermissionState = "granted" | "denied" | "prompt";
-type PushEncryptionKeyName = "p256dh" | "auth";
+type PermissionName = "accelerometer" | "ambient-light-sensor" | "background-sync" | "bluetooth" | "camera" | "clipboard" | "device-info" | "geolocation" | "gyroscope" | "magnetometer" | "microphone" | "midi" | "notifications" | "persistent-storage" | "push" | "speaker";
+type PermissionState = "denied" | "granted" | "prompt";
+type PremultiplyAlpha = "default" | "none" | "premultiply";
+type PushEncryptionKeyName = "auth" | "p256dh";
 type PushPermissionState = "denied" | "granted" | "prompt";
-type ReferrerPolicy = "" | "no-referrer" | "no-referrer-when-downgrade" | "same-origin" | "origin" | "strict-origin" | "origin-when-cross-origin" | "strict-origin-when-cross-origin" | "unsafe-url";
-type RequestCache = "default" | "no-store" | "reload" | "no-cache" | "force-cache" | "only-if-cached";
-type RequestCredentials = "omit" | "same-origin" | "include";
+type ReferrerPolicy = "" | "no-referrer" | "no-referrer-when-downgrade" | "origin" | "origin-when-cross-origin" | "same-origin" | "strict-origin" | "strict-origin-when-cross-origin" | "unsafe-url";
+type RequestCache = "default" | "force-cache" | "no-cache" | "no-store" | "only-if-cached" | "reload";
+type RequestCredentials = "include" | "omit" | "same-origin";
 type RequestDestination = "" | "audio" | "audioworklet" | "document" | "embed" | "font" | "image" | "manifest" | "object" | "paintworklet" | "report" | "script" | "sharedworker" | "style" | "track" | "video" | "worker" | "xslt";
-type RequestMode = "navigate" | "same-origin" | "no-cors" | "cors";
-type RequestRedirect = "follow" | "error" | "manual";
+type RequestMode = "cors" | "navigate" | "no-cors" | "same-origin";
+type RequestRedirect = "error" | "follow" | "manual";
+type ResizeQuality = "high" | "low" | "medium" | "pixelated";
 type ResponseType = "basic" | "cors" | "default" | "error" | "opaque" | "opaqueredirect";
-type ServiceWorkerState = "installing" | "installed" | "activating" | "activated" | "redundant";
-type ServiceWorkerUpdateViaCache = "imports" | "all" | "none";
+type ServiceWorkerState = "activated" | "activating" | "installed" | "installing" | "parsed" | "redundant";
+type ServiceWorkerUpdateViaCache = "all" | "imports" | "none";
 type VisibilityState = "hidden" | "visible";
-type WebGLPowerPreference = "default" | "low-power" | "high-performance";
+type WebGLPowerPreference = "default" | "high-performance" | "low-power";
 type WorkerType = "classic" | "module";
 type XMLHttpRequestResponseType = "" | "arraybuffer" | "blob" | "document" | "json" | "text";
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -64,7 +64,10 @@ declare namespace ts.server.protocol {
        OrganizeImports = "organizeImports",
        GetEditsForFileRename = "getEditsForFileRename",
        ConfigurePlugin = "configurePlugin",
-        SelectionRange = "selectionRange"
+        SelectionRange = "selectionRange",
+        PrepareCallHierarchy = "prepareCallHierarchy",
+        ProvideCallHierarchyIncomingCalls = "provideCallHierarchyIncomingCalls",
+        ProvideCallHierarchyOutgoingCalls = "provideCallHierarchyOutgoingCalls"
    }
    /**
     * A TypeScript Server message
@@ -143,6 +146,16 @@ declare namespace ts.server.protocol {
         * Contains extra information that plugin can include to be passed on
         */
        metadata?: unknown;
+        /**
+         * Exposes information about the performance of this request-response pair.
+         */
+        performanceData?: PerformanceData;
+    }
+    interface PerformanceData {
+        /**
+         * Time spent updating the program graph, in milliseconds.
+         */
+        updateGraphDurationMs?: number;
    }
    /**
     * Arguments for FileRequest messages.
@@ -957,7 +970,17 @@ declare namespace ts.server.protocol {
     * For external projects, some of the project settings are sent together with
     * compiler settings.
     */
-    type ExternalProjectCompilerOptions = CompilerOptions & CompileOnSaveMixin;
+    type ExternalProjectCompilerOptions = CompilerOptions & CompileOnSaveMixin & WatchOptions;
+    interface FileWithProjectReferenceRedirectInfo {
+        /**
+         * Name of file
+         */
+        fileName: string;
+        /**
+         * True if the file is primarily included in a referenced project
+         */
+        isSourceOfProjectReferenceRedirect: boolean;
+    }
    /**
     * Represents a set of changes that happen in project
     */
@@ -965,15 +988,20 @@ declare namespace ts.server.protocol {
        /**
         * List of added files
         */
-        added: string[];
+        added: string[] | FileWithProjectReferenceRedirectInfo[];
        /**
         * List of removed files
         */
-        removed: string[];
+        removed: string[] | FileWithProjectReferenceRedirectInfo[];
        /**
         * List of updated files
         */
-        updated: string[];
+        updated: string[] | FileWithProjectReferenceRedirectInfo[];
+        /**
+         * List of files that have had their project reference redirect status updated
+         * Only provided when the synchronizeProjectList request has includeProjectReferenceRedirectInfo set to true
+         */
+        updatedRedirects?: FileWithProjectReferenceRedirectInfo[];
    }
    /**
     * Information found in a configure request.
@@ -997,6 +1025,31 @@ declare namespace ts.server.protocol {
         * The host's additional supported .js file extensions
         */
        extraFileExtensions?: FileExtensionInfo[];
+        watchOptions?: WatchOptions;
+    }
+    const enum WatchFileKind {
+        FixedPollingInterval = "FixedPollingInterval",
+        PriorityPollingInterval = "PriorityPollingInterval",
+        DynamicPriorityPolling = "DynamicPriorityPolling",
+        UseFsEvents = "UseFsEvents",
+        UseFsEventsOnParentDirectory = "UseFsEventsOnParentDirectory"
+    }
+    const enum WatchDirectoryKind {
+        UseFsEvents = "UseFsEvents",
+        FixedPollingInterval = "FixedPollingInterval",
+        DynamicPriorityPolling = "DynamicPriorityPolling"
+    }
+    const enum PollingWatchKind {
+        FixedInterval = "FixedInterval",
+        PriorityInterval = "PriorityInterval",
+        DynamicPriority = "DynamicPriority"
+    }
+    interface WatchOptions {
+        watchFile?: WatchFileKind | ts.WatchFileKind;
+        watchDirectory?: WatchDirectoryKind | ts.WatchDirectoryKind;
+        fallbackPolling?: PollingWatchKind | ts.PollingWatchKind;
+        synchronousWatchDirectory?: boolean;
+        [option: string]: CompilerOptionsValue | undefined;
    }
    /**
     *  Configure request; value of command field is "configure".  Specifies
@@ -1250,6 +1303,16 @@ declare namespace ts.server.protocol {
         * if true - then file should be recompiled even if it does not have any changes.
         */
        forced?: boolean;
+        includeLinePosition?: boolean;
+        /** if true - return response as object with emitSkipped and diagnostics */
+        richResponse?: boolean;
+    }
+    interface CompileOnSaveEmitFileResponse extends Response {
+        body: boolean | EmitResult;
+    }
+    interface EmitResult {
+        emitSkipped: boolean;
+        diagnostics: Diagnostic[] | DiagnosticWithLinePosition[];
    }
    /**
     * Quickinfo request; value of command field is
@@ -1408,7 +1471,7 @@ declare namespace ts.server.protocol {
        command: CommandTypes.Formatonkey;
        arguments: FormatOnKeyRequestArgs;
    }
-    type CompletionsTriggerCharacter = "." | '"' | "'" | "`" | "/" | "@" | "<";
+    type CompletionsTriggerCharacter = "." | '"' | "'" | "`" | "/" | "@" | "<" | "#";
    /**
     * Arguments for completions messages.
     */
@@ -1525,6 +1588,11 @@ declare namespace ts.server.protocol {
         * Then either that enum/class or a namespace containing it will be the recommended symbol.
         */
        isRecommended?: true;
+        /**
+         * If true, this completion was generated from traversing the name table of an unchecked JS file,
+         * and therefore may not be accurate.
+         */
+        isFromUncheckedFile?: true;
    }
    /**
     * Additional completion entry details, available on demand
@@ -2269,6 +2337,39 @@ declare namespace ts.server.protocol {
    interface NavTreeResponse extends Response {
        body?: NavigationTree;
    }
+    interface CallHierarchyItem {
+        name: string;
+        kind: ScriptElementKind;
+        file: string;
+        span: TextSpan;
+        selectionSpan: TextSpan;
+    }
+    interface CallHierarchyIncomingCall {
+        from: CallHierarchyItem;
+        fromSpans: TextSpan[];
+    }
+    interface CallHierarchyOutgoingCall {
+        to: CallHierarchyItem;
+        fromSpans: TextSpan[];
+    }
+    interface PrepareCallHierarchyRequest extends FileLocationRequest {
+        command: CommandTypes.PrepareCallHierarchy;
+    }
+    interface PrepareCallHierarchyResponse extends Response {
+        readonly body: CallHierarchyItem | CallHierarchyItem[];
+    }
+    interface ProvideCallHierarchyIncomingCallsRequest extends FileLocationRequest {
+        command: CommandTypes.ProvideCallHierarchyIncomingCalls;
+    }
+    interface ProvideCallHierarchyIncomingCallsResponse extends Response {
+        readonly body: CallHierarchyIncomingCall[];
+    }
+    interface ProvideCallHierarchyOutgoingCallsRequest extends FileLocationRequest {
+        command: CommandTypes.ProvideCallHierarchyOutgoingCalls;
+    }
+    interface ProvideCallHierarchyOutgoingCallsResponse extends Response {
+        readonly body: CallHierarchyOutgoingCall[];
+    }
    const enum IndentStyle {
        None = "None",
        Block = "Block",
@@ -2286,6 +2387,7 @@ declare namespace ts.server.protocol {
        newLineCharacter?: string;
        convertTabsToSpaces?: boolean;
        indentStyle?: IndentStyle | ts.IndentStyle;
+        trimTrailingWhitespace?: boolean;
    }
    interface FormatCodeSettings extends EditorSettings {
        insertSpaceAfterCommaDelimiter?: boolean;
@@ -2326,6 +2428,8 @@ declare namespace ts.server.protocol {
         */
        readonly includeAutomaticOptionalChainCompletions?: boolean;
        readonly importModuleSpecifierPreference?: "auto" | "relative" | "non-relative";
+        /** Determines whether we import `foo/index.ts` as "foo", "foo/index", or "foo/index.js" */
+        readonly importModuleSpecifierEnding?: "auto" | "minimal" | "index" | "js";
        readonly allowTextChangesInNewFiles?: boolean;
        readonly lazyConfiguredProjectsFromExternalProject?: boolean;
        readonly providePrefixAndSuffixTextForRename?: boolean;
@@ -2565,6 +2669,8 @@ declare namespace ts.server.protocol {
        scriptKind?: ScriptKind;
    }

+    export type CompilerOptionsValue = string | number | boolean | (string | number)[] | string[] | MapLike<string[]> | PluginImport[] | ProjectReference[] | null | undefined;
+
    interface JSDocTagInfo {
        name: string;
        text?: string;
@@ -2593,12 +2699,13 @@ declare namespace ts.server.protocol {
        /** True if it is intended that this reference form a circularity */
        circular?: boolean;
    }
-
-    export type CompilerOptionsValue = string | number | boolean | (string | number)[] | string[] | MapLike<string[]> | PluginImport[] | ProjectReference[] | null | undefined;
 }
 declare namespace ts {
    // these types are empty stubs for types from services and should not be used directly
    export type ScriptKind = never;
+    export type WatchFileKind = never;
+    export type WatchDirectoryKind = never;
+    export type PollingWatchKind = never;
    export type IndentStyle = never;
    export type JsxEmit = never;
    export type ModuleKind = never;
@@ -1,14 +1,14 @@
 /*! *****************************************************************************
-Copyright (c) Microsoft Corporation. All rights reserved. 
+Copyright (c) Microsoft Corporation. All rights reserved.
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of the
-License at http://www.apache.org/licenses/LICENSE-2.0  
- 
+License at http://www.apache.org/licenses/LICENSE-2.0
+
 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
-MERCHANTABLITY OR NON-INFRINGEMENT. 
- 
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
 See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
@@ -2,7 +2,7 @@
    "name": "typescript",
    "author": "Microsoft Corp.",
    "homepage": "https://www.typescriptlang.org/",
-    "version": "3.8.0",
+    "version": "4.0.0",
    "license": "Apache-2.0",
    "description": "TypeScript is a language for application scale JavaScript development",
    "keywords": [
@@ -54,9 +54,9 @@
        "@types/through2": "latest",
        "@types/travis-fold": "latest",
        "@types/xml2js": "^0.4.0",
-        "@typescript-eslint/eslint-plugin": "2.3.2",
-        "@typescript-eslint/experimental-utils": "2.3.2",
-        "@typescript-eslint/parser": "2.3.2",
+        "@typescript-eslint/eslint-plugin": "2.18.0",
+        "@typescript-eslint/experimental-utils": "2.18.0",
+        "@typescript-eslint/parser": "2.18.0",
        "async": "latest",
        "azure-devops-node-api": "^8.0.0",
        "browser-resolve": "^1.11.2",
@@ -65,10 +65,10 @@
        "chalk": "latest",
        "convert-source-map": "latest",
        "del": "5.1.0",
-        "eslint": "6.5.1",
-        "eslint-formatter-autolinkable-stylish": "1.0.3",
-        "eslint-plugin-import": "2.18.2",
-        "eslint-plugin-jsdoc": "15.9.9",
+        "eslint": "6.8.0",
+        "eslint-formatter-autolinkable-stylish": "1.1.1",
+        "eslint-plugin-import": "2.20.0",
+        "eslint-plugin-jsdoc": "21.0.0",
        "eslint-plugin-no-null": "1.0.2",
        "fancy-log": "latest",
        "fs-extra": "^6.0.1",
@@ -87,6 +87,7 @@
        "mocha-fivemat-progress-reporter": "latest",
        "ms": "latest",
        "node-fetch": "^2.6.0",
+        "playwright": "0.12.1",
        "plugin-error": "latest",
        "pretty-hrtime": "^1.0.3",
        "prex": "^0.4.3",
@@ -111,6 +111,8 @@ namespace Commands {
    };
    listKnownAuthors.description = "List known authors as listed in .mailmap file.";

+
+
    export const listAuthors: Command = (...specs: string[]) => {
        const cmd = "git shortlog -se " + specs.join(" ");
        console.log(cmd);
@@ -145,6 +147,7 @@ namespace Commands {
                .map(lookupAuthor)
                .filter(a => !!a)
                .map(getAuthorName);
+
            const unknownAuthors = authors
                .filter(a => !lookupAuthor(a))
                .map(a => `${a.name} <${a.email}>`);
@@ -162,6 +165,16 @@ namespace Commands {
                console.log("=====================");
                deduplicate(unknownAuthors).sort(sortAuthors).forEach(log);
            }
+
+
+            const allAuthors = deduplicate([...knownAuthors, ...unknownAuthors].map(a => a.split("<")[0].trim())).sort(sortAuthors);
+            if (allAuthors.length) {
+                console.log("\r\n");
+                console.log("Revised Authors.md: ");
+                console.log("=====================");
+                allAuthors.forEach(name => console.log(" - " + name));
+            }
+
        }
    };
    listAuthors.description = "List known and unknown authors for a given spec, e.g. 'node authors.js listAuthors origin/release-2.6..origin/release-2.7'";
@@ -0,0 +1,39 @@
+const playwright = require("playwright");
+const chalk = require("chalk");
+const { join } = require("path");
+const { readFileSync } = require("fs");
+
+// Turning this on will leave the Chromium browser open, giving you the
+// chance to open up the web inspector.
+const debugging = false;
+
+(async () => {
+  for (const browserType of ["chromium", "firefox", "webkit"]) {
+    const browser = await playwright[browserType].launch({ headless: !debugging });
+    const context = await browser.newContext();
+    const page = await context.newPage();
+
+    const errorCaught = err => {
+        console.error(chalk.red("There was an error running built/typescript.js in " + browserType));
+        console.log(err.toString());
+        process.exitCode = 1;
+    };
+
+    page.on("error", errorCaught);
+    page.on("pageerror", errorCaught);
+    page.on("console", log => console[log._type](log._text));
+
+    await page.setContent(`
+    <html>
+    <script>${readFileSync(join("built", "local", "typescript.js"), "utf8")}</script>
+    </html>
+    `);
+
+    if (!debugging) {
+        await browser.close();
+    }
+    else {
+        console.log("Not closing the browser, you'll need to exit the process in your terminal manually");
+    }
+  }
+})();
@@ -4,16 +4,16 @@ const os = require("os");

 /** @type {CommandLineOptions} */
 module.exports = minimist(process.argv.slice(2), {
-    boolean: ["debug", "dirty", "inspect", "light", "colors", "lint", "lkg", "soft", "fix", "failed", "keepFailed", "force", "built"],
-    string: ["browser", "tests", "host", "reporter", "stackTraceLimit", "timeout", "shards", "shardId"],
+    boolean: ["debug", "dirty", "light", "colors", "lint", "lkg", "soft", "fix", "failed", "keepFailed", "force", "built"],
+    string: ["browser", "tests", "inspect", "host", "reporter", "stackTraceLimit", "timeout", "shards", "shardId"],
    alias: {
        "b": "browser",
-        "d": "debug", "debug-brk": "debug",
-        "i": "inspect", "inspect-brk": "inspect",
-        "t": "tests", "test": "tests",
-        "ru": "runners", "runner": "runners",
+        "d": ["debug", "debug-brk"],
+        "i": ["inspect", "inspect-brk"],
+        "t": ["tests", "test"],
+        "ru": ["runners", "runner"],
        "r": "reporter",
-        "c": "colors", "color": "colors",
+        "c": ["colors", "color"],
        "skippercent": "skipPercent",
        "w": "workers",
        "f": "fix"
@@ -49,7 +49,6 @@ if (module.exports.built) {
 * @typedef TypedOptions
 * @property {boolean} debug
 * @property {boolean} dirty
- * @property {boolean} inspect
 * @property {boolean} light
 * @property {boolean} colors
 * @property {boolean} lint
@@ -59,6 +58,7 @@ if (module.exports.built) {
 * @property {boolean} fix
 * @property {string} browser
 * @property {string} tests
+ * @property {string} inspect
 * @property {string} runners
 * @property {string|number} workers
 * @property {string} host
--- a/Show More
+++ b/Show More