src/vs/platform/sharedProcess/electron-browser/sharedProcessWorkerService.ts/SharedProcessWebWorker/spawn
class SharedProcessWebWorker:	spawn(configuration: ISharedProcessWorkerConfiguration, port: MessagePort, token: CancellationToken): Promise<void> {
		const workerMessage: ISharedProcessToWorkerMessage = {
			id: SharedProcessWorkerMessages.Spawn,
			configuration,
			environment: {
				bootstrapPath: FileAccess.asFileUri('bootstrap-fork').fsPath
			}
		};

		return this.send(workerMessage, token, port);
	}