Revert "Merge from vscode merge-base (#22769)" (#22779)

This reverts commit 6bd0a17d3c.

build/lib/typings/gulp-tsb.d.ts

@@ -0,0 +1,18 @@
+
+
+declare module "gulp-tsb" {
+
+	export interface ICancellationToken {
+		isCancellationRequested(): boolean;
+	}
+
+	export interface IncrementalCompiler {
+		(token?: ICancellationToken): NodeJS.ReadWriteStream;
+		src(opts?: {
+			cwd?: string;
+			base?: string;
+		}): NodeJS.ReadStream;
+	}
+	export function create(projectPath: string, existingOptions: any, verbose?: boolean, onError?: (message: any) => void): IncrementalCompiler;
+
+}