code: func (a *Agent) remoteExecWriteAck(event *remoteExecEvent) bool {
  	if err := a.remoteExecWriteKey(event, remoteExecAckSuffix, nil); err != nil {
  		a.logger.Printf("[ERR] agent: failed to ack remote exec job: %v", err)
  		return false
  	}
  	return true
  }
docs: // remoteExecWriteAck is used to write an ack. Returns if execution should
  // continue.