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