src/vs/workbench/api/common/extHostQuickOpen.ts/ExtHostQuickInput/dispose
class ExtHostQuickInput:		dispose(): void {
			if (this._disposed) {
				return;
			}
			this._disposed = true;
			this._fireDidHide();
			this._disposables = dispose(this._disposables);
			if (this._updateTimeout) {
				clearTimeout(this._updateTimeout);
				this._updateTimeout = undefined;
			}
			this._onDidDispose();
			proxy.$dispose(this._id);
		}