Move link handlers back to proposed

Part of #91606

src/vs/vscode.d.ts

@@ -7656,14 +7656,6 @@ declare module 'vscode' {
 		 */
 		export function createTerminal(options: ExtensionTerminalOptions): Terminal;
 
-		/**
-		 * Register a [TerminalLinkHandler](#TerminalLinkHandler) that can be used to intercept and
-		 * handle links that are activated within terminals.
-		 * @param handler The link handler being registered.
-		 * @return A disposable that unregisters the link handler.
-		 */
-		export function registerTerminalLinkHandler(handler: TerminalLinkHandler): Disposable;
-
 		/**
 		 * Register a [TreeDataProvider](#TreeDataProvider) for the view contributed using the extension point `views`.
 		 * This will allow you to contribute data to the [TreeView](#TreeView) and update if the data changes.
@@ -8224,21 +8216,6 @@ declare module 'vscode' {
 		readonly code: number | undefined;
 	}
 
-	/**
-	 * Describes how to handle terminal links.
-	 */
-	export interface TerminalLinkHandler {
-		/**
-		 * Handles a link that is activated within the terminal.
-		 *
-		 * @param terminal The terminal the link was activated on.
-		 * @param link The text of the link activated.
-		 * @return Whether the link was handled, if the link was handled this link will not be
-		 * considered by any other extension or by the default built-in link handler.
-		 */
-		handleLink(terminal: Terminal, link: string): ProviderResult<boolean>;
-	}
-
 	/**
 	 * A location in the editor at which progress information can be shown. It depends on the
 	 * location how progress is visually represented.

src/vs/vscode.proposed.d.ts

@@ -880,6 +880,37 @@ declare module 'vscode' {
 
 	//#endregion
 
+
+
+	//#region Terminal link handlers https://github.com/microsoft/vscode/issues/91606
+
+	export namespace window {
+		/**
+		 * Register a [TerminalLinkHandler](#TerminalLinkHandler) that can be used to intercept and
+		 * handle links that are activated within terminals.
+		 * @param handler The link handler being registered.
+		 * @return A disposable that unregisters the link handler.
+		 */
+		export function registerTerminalLinkHandler(handler: TerminalLinkHandler): Disposable;
+	}
+
+	/**
+	 * Describes how to handle terminal links.
+	 */
+	export interface TerminalLinkHandler {
+		/**
+		 * Handles a link that is activated within the terminal.
+		 *
+		 * @param terminal The terminal the link was activated on.
+		 * @param link The text of the link activated.
+		 * @return Whether the link was handled, if the link was handled this link will not be
+		 * considered by any other extension or by the default built-in link handler.
+		 */
+		handleLink(terminal: Terminal, link: string): ProviderResult<boolean>;
+	}
+
+	//#endregion
+
 	//#region Contribute to terminal environment https://github.com/microsoft/vscode/issues/46696
 
 	export enum EnvironmentVariableMutatorType {

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

@@ -570,6 +570,7 @@ export function createApiFactoryAndRegisterActors(accessor: ServicesAccessor): I
 				return extHostTerminalService.createTerminal(nameOrOptions, shellPath, shellArgs);
 			},
 			registerTerminalLinkHandler(handler: vscode.TerminalLinkHandler): vscode.Disposable {
+				checkProposedApiEnabled(extension);
 				return extHostTerminalService.registerLinkHandler(handler);
 			},
 			registerTreeDataProvider(viewId: string, treeDataProvider: vscode.TreeDataProvider<any>): vscode.Disposable {