public void startDetection(String containerId,String machineId,String workspaceId){
  instances.put(containerId,Pair.of(machineId,workspaceId));
}

public void startDetection ( String containerId , String machineId , String workspaceId ) { instances . put ( containerId , Pair . of ( machineId , workspaceId ) ) ; }
start container stop detection .
