src/vs/workbench/services/extensions/electron-sandbox/localProcessExtensionHost.ts/SandboxLocalProcessExtensionHost/_start
class SandboxLocalProcessExtensionHost:	protected async _start(): Promise<IMessagePassingProtocol> {
		const communication = this._toDispose.add(new ExtHostMessagePortCommunication(this._logService));
		return this._startWithCommunication(communication);
	}