src/vs/workbench/api/common/extHostTask.ts/ExtHostTaskBase/$onDidStartTaskProcess
class ExtHostTaskBase:	public async $onDidStartTaskProcess(value: tasks.ITaskProcessStartedDTO): Promise<void> {
		const execution = await this.getTaskExecution(value.id);
		this._onDidTaskProcessStarted.fire({
			execution: execution,
			processId: value.processId
		});
	}