diff --git a/tests/baselines/reference/api/tsserverlibrary.d.ts b/tests/baselines/reference/api/tsserverlibrary.d.ts
index c069dbf4d04..42e15980a9c 100644
--- a/tests/baselines/reference/api/tsserverlibrary.d.ts
+++ b/tests/baselines/reference/api/tsserverlibrary.d.ts
@@ -4701,6 +4701,12 @@ declare namespace ts {
     interface DocumentSpan {
         textSpan: TextSpan;
         fileName: string;
+        /**
+         * If the span represents a location that was remapped (e.g. via a .d.ts.map file),
+         * then the original filename and span will be specified here
+         */
+        originalTextSpan?: TextSpan;
+        originalFileName?: string;
     }
     interface RenameLocation extends DocumentSpan {
     }
@@ -4798,9 +4804,7 @@ declare namespace ts {
         insertSpaceBeforeTypeAnnotation?: boolean;
         indentMultiLineObjectLiteralBeginningOnBlankLine?: boolean;
     }
-    interface DefinitionInfo {
-        fileName: string;
-        textSpan: TextSpan;
+    interface DefinitionInfo extends DocumentSpan {
         kind: ScriptElementKind;
         name: string;
         containerKind: ScriptElementKind;
@@ -8410,6 +8414,7 @@ declare namespace ts.server {
         private getDefinition;
         private getDefinitionAndBoundSpan;
         private mapDefinitionInfo;
+        private static mapToOriginalLocation;
         private toFileSpan;
         private getTypeDefinition;
         private getImplementation;
diff --git a/tests/baselines/reference/api/typescript.d.ts b/tests/baselines/reference/api/typescript.d.ts
index 4887de7fd2f..05425f80539 100644
--- a/tests/baselines/reference/api/typescript.d.ts
+++ b/tests/baselines/reference/api/typescript.d.ts
@@ -4701,6 +4701,12 @@ declare namespace ts {
     interface DocumentSpan {
         textSpan: TextSpan;
         fileName: string;
+        /**
+         * If the span represents a location that was remapped (e.g. via a .d.ts.map file),
+         * then the original filename and span will be specified here
+         */
+        originalTextSpan?: TextSpan;
+        originalFileName?: string;
     }
     interface RenameLocation extends DocumentSpan {
     }
@@ -4798,9 +4804,7 @@ declare namespace ts {
         insertSpaceBeforeTypeAnnotation?: boolean;
         indentMultiLineObjectLiteralBeginningOnBlankLine?: boolean;
     }
-    interface DefinitionInfo {
-        fileName: string;
-        textSpan: TextSpan;
+    interface DefinitionInfo extends DocumentSpan {
         kind: ScriptElementKind;
         name: string;
         containerKind: ScriptElementKind;