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Migrate ReactAndroidHWInputDeviceHelper to Kotlin (#50046)
Summary: Migrate com.facebook.react.ReactAndroidHWInputDeviceHelper to Kotlin. ## Changelog: [INTERNAL] - Migrate com.facebook.react.ReactAndroidHWInputDeviceHelper to Kotlin Pull Request resolved: https://github.com/facebook/react-native/pull/50046 Test Plan: ```bash yarn test-android yarn android ``` Reviewed By: cortinico Differential Revision: D71307536 Pulled By: javache fbshipit-source-id: 60c458127b7a7e99d9c8bbb4715cab04452984da
This commit is contained in:
Mateo Guzmán
committed by
Facebook GitHub Bot
Facebook GitHub Bot
parent
850760ab61
commit
8ae4bbc9a5
-100
@@ -1,100 +0,0 @@
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/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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package com.facebook.react;
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import android.view.KeyEvent;
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import android.view.View;
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import com.facebook.infer.annotation.Nullsafe;
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import com.facebook.react.bridge.WritableMap;
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import com.facebook.react.bridge.WritableNativeMap;
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import com.facebook.react.common.MapBuilder;
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import java.util.Map;
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/** Responsible for dispatching events specific for hardware inputs. */
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@Nullsafe(Nullsafe.Mode.LOCAL)
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class ReactAndroidHWInputDeviceHelper {
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/**
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* Contains a mapping between handled KeyEvents and the corresponding navigation event that should
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* be fired when the KeyEvent is received.
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*/
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private static final Map<Integer, String> KEY_EVENTS_ACTIONS =
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MapBuilder.<Integer, String>builder()
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.put(KeyEvent.KEYCODE_DPAD_CENTER, "select")
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.put(KeyEvent.KEYCODE_ENTER, "select")
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.put(KeyEvent.KEYCODE_SPACE, "select")
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.put(KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE, "playPause")
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.put(KeyEvent.KEYCODE_MEDIA_REWIND, "rewind")
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.put(KeyEvent.KEYCODE_MEDIA_FAST_FORWARD, "fastForward")
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.put(KeyEvent.KEYCODE_MEDIA_STOP, "stop")
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.put(KeyEvent.KEYCODE_MEDIA_NEXT, "next")
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.put(KeyEvent.KEYCODE_MEDIA_PREVIOUS, "previous")
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.put(KeyEvent.KEYCODE_DPAD_UP, "up")
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.put(KeyEvent.KEYCODE_DPAD_RIGHT, "right")
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.put(KeyEvent.KEYCODE_DPAD_DOWN, "down")
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.put(KeyEvent.KEYCODE_DPAD_LEFT, "left")
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.put(KeyEvent.KEYCODE_INFO, "info")
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.put(KeyEvent.KEYCODE_MENU, "menu")
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.build();
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/**
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* We keep a reference to the last focused view id so that we can send it as a target for key
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* events and be able to send a blur event when focus changes.
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*/
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private int mLastFocusedViewId = View.NO_ID;
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private final ReactRootView mReactRootView;
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ReactAndroidHWInputDeviceHelper(ReactRootView mReactRootView) {
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this.mReactRootView = mReactRootView;
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}
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/** Called from {@link ReactRootView}. This is the main place the key events are handled. */
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public void handleKeyEvent(KeyEvent ev) {
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int eventKeyCode = ev.getKeyCode();
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int eventKeyAction = ev.getAction();
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if ((eventKeyAction == KeyEvent.ACTION_UP || eventKeyAction == KeyEvent.ACTION_DOWN)
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&& KEY_EVENTS_ACTIONS.containsKey(eventKeyCode)) {
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dispatchEvent(KEY_EVENTS_ACTIONS.get(eventKeyCode), mLastFocusedViewId, eventKeyAction);
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}
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}
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/** Called from {@link ReactRootView} when focused view changes. */
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public void onFocusChanged(View newFocusedView) {
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if (mLastFocusedViewId == newFocusedView.getId()) {
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return;
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}
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if (mLastFocusedViewId != View.NO_ID) {
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dispatchEvent("blur", mLastFocusedViewId);
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}
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mLastFocusedViewId = newFocusedView.getId();
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dispatchEvent("focus", newFocusedView.getId());
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}
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/** Called from {@link ReactRootView} when the whole view hierarchy looses focus. */
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public void clearFocus() {
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if (mLastFocusedViewId != View.NO_ID) {
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dispatchEvent("blur", mLastFocusedViewId);
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}
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mLastFocusedViewId = View.NO_ID;
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}
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private void dispatchEvent(String eventType, int targetViewId) {
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dispatchEvent(eventType, targetViewId, -1);
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}
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private void dispatchEvent(String eventType, int targetViewId, int eventKeyAction) {
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WritableMap event = new WritableNativeMap();
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event.putString("eventType", eventType);
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event.putInt("eventKeyAction", eventKeyAction);
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if (targetViewId != View.NO_ID) {
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event.putInt("tag", targetViewId);
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}
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mReactRootView.sendEvent("onHWKeyEvent", event);
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}
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}
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+88
@@ -0,0 +1,88 @@
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/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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package com.facebook.react
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import android.view.KeyEvent
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import android.view.View
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import com.facebook.react.bridge.WritableMap
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import com.facebook.react.bridge.WritableNativeMap
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/** Responsible for dispatching events specific for hardware inputs. */
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internal class ReactAndroidHWInputDeviceHelper(private val reactRootView: ReactRootView) {
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/**
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* We keep a reference to the last focused view id so that we can send it as a target for key
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* events and be able to send a blur event when focus changes.
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*/
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private var lastFocusedViewId = View.NO_ID
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/** Called from [ReactRootView]. This is the main place the key events are handled. */
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fun handleKeyEvent(ev: KeyEvent) {
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val eventKeyCode = ev.keyCode
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val eventKeyAction = ev.action
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if ((eventKeyAction == KeyEvent.ACTION_UP || eventKeyAction == KeyEvent.ACTION_DOWN) &&
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KEY_EVENTS_ACTIONS.containsKey(eventKeyCode)) {
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dispatchEvent(KEY_EVENTS_ACTIONS[eventKeyCode], lastFocusedViewId, eventKeyAction)
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}
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}
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/** Called from [ReactRootView] when focused view changes. */
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fun onFocusChanged(newFocusedView: View) {
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if (lastFocusedViewId == newFocusedView.id) {
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return
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}
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if (lastFocusedViewId != View.NO_ID) {
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dispatchEvent("blur", lastFocusedViewId)
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}
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lastFocusedViewId = newFocusedView.id
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dispatchEvent("focus", newFocusedView.id)
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}
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/** Called from [ReactRootView] when the whole view hierarchy looses focus. */
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fun clearFocus() {
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if (lastFocusedViewId != View.NO_ID) {
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dispatchEvent("blur", lastFocusedViewId)
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}
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lastFocusedViewId = View.NO_ID
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}
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private fun dispatchEvent(eventType: String?, targetViewId: Int, eventKeyAction: Int = -1) {
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val event: WritableMap =
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WritableNativeMap().apply {
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putString("eventType", eventType)
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putInt("eventKeyAction", eventKeyAction)
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if (targetViewId != View.NO_ID) {
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putInt("tag", targetViewId)
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}
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}
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reactRootView.sendEvent("onHWKeyEvent", event)
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}
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private companion object {
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/**
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* Contains a mapping between handled KeyEvents and the corresponding navigation event that
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* should be fired when the KeyEvent is received.
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*/
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private val KEY_EVENTS_ACTIONS: Map<Int, String> =
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mapOf(
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KeyEvent.KEYCODE_DPAD_CENTER to "select",
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KeyEvent.KEYCODE_ENTER to "select",
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KeyEvent.KEYCODE_SPACE to "select",
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KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE to "playPause",
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KeyEvent.KEYCODE_MEDIA_REWIND to "rewind",
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KeyEvent.KEYCODE_MEDIA_FAST_FORWARD to "fastForward",
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KeyEvent.KEYCODE_MEDIA_STOP to "stop",
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KeyEvent.KEYCODE_MEDIA_NEXT to "next",
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KeyEvent.KEYCODE_MEDIA_PREVIOUS to "previous",
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KeyEvent.KEYCODE_DPAD_UP to "up",
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KeyEvent.KEYCODE_DPAD_RIGHT to "right",
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KeyEvent.KEYCODE_DPAD_DOWN to "down",
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KeyEvent.KEYCODE_DPAD_LEFT to "left",
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KeyEvent.KEYCODE_INFO to "info",
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KeyEvent.KEYCODE_MENU to "menu")
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}
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}
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