finalize CancellationError API, fixes #93686

src/vs/vscode.d.ts

@@ -1450,6 +1450,21 @@ declare module 'vscode' {
 		dispose(): void;
 	}
 
+	/**
+	 * An error type that should be used to signal cancellation of an operation.
+	 *
+	 * This type can be used in response to a [cancellation token](#CancellationToken)
+	 * being cancelled or when an operation is being cancelled by the
+	 * executor of that operation.
+	 */
+	export class CancellationError extends Error {
+
+		/**
+		 * Creates a new cancellation error.
+		 */
+		constructor();
+	}
+
 	/**
 	 * Represents a type which can release resources, such
 	 * as event listening or a timer.

src/vs/vscode.proposed.d.ts

@@ -16,25 +16,6 @@
 
 declare module 'vscode' {
 
-	//#region https://github.com/microsoft/vscode/issues/93686
-
-	/**
-	 * An error type should be used to signal cancellation of an operation.
-	 *
-	 * This type can be used in response to a cancellation token or when an
-	 * operation is being cancelled by the executor of that operation.
-	 */
-	export class CancellationError extends Error {
-
-		/**
-		 * Creates a new cancellation error.
-		 */
-		constructor();
-	}
-
-
-	//#endregion
-
 	// #region auth provider: https://github.com/microsoft/vscode/issues/88309
 
 	/**

src/vs/workbench/api/common/extHost.api.impl.ts

@@ -1092,6 +1092,7 @@ export function createApiFactoryAndRegisterActors(accessor: ServicesAccessor): I
 			CallHierarchyIncomingCall: extHostTypes.CallHierarchyIncomingCall,
 			CallHierarchyItem: extHostTypes.CallHierarchyItem,
 			CallHierarchyOutgoingCall: extHostTypes.CallHierarchyOutgoingCall,
+			CancellationError: errors.CancellationError,
 			CancellationTokenSource: CancellationTokenSource,
 			CodeAction: extHostTypes.CodeAction,
 			CodeActionKind: extHostTypes.CodeActionKind,
@@ -1190,9 +1191,6 @@ export function createApiFactoryAndRegisterActors(accessor: ServicesAccessor): I
 			ViewColumn: extHostTypes.ViewColumn,
 			WorkspaceEdit: extHostTypes.WorkspaceEdit,
 			// proposed api types
-			get CancellationError() {
-				return errors.CancellationError;
-			},
 			get RemoteAuthorityResolverError() {
 				// checkProposedApiEnabled(extension);
 				return extHostTypes.RemoteAuthorityResolverError;