src/vs/workbench/services/extensions/browser/webWorkerExtensionHost.ts/WebWorkerExtensionHost/dispose
class WebWorkerExtensionHost:	public override dispose(): void {
		if (this._isTerminating) {
			return;
		}
		this._isTerminating = true;
		if (this._protocol) {
			this._protocol.send(createMessageOfType(MessageType.Terminate));
		}
		super.dispose();
	}