code: func (state *DockerTaskEngineState) TaskARNByV3EndpointID(v3EndpointID string) (string, bool) {
  	state.lock.RLock()
  	defer state.lock.RUnlock()
  
  	taskArn, ok := state.v3EndpointIDToTask[v3EndpointID]
  	return taskArn, ok
  }
docs: // TaskARNByV3EndpointID returns a taskARN for a given v3 endpoint ID