@ SEND_LOCAL_SOLVER_REQUEST
@ SEND_GLOBAL_SOLVER_REQUEST
const std::string UNDEFINED
@ GLOBAL_SOLUTION_AVAILABLE
@ GLOBAL_PLANNING_ACTION_SUCCESSFUL
@ GLOBAL_PLANNING_ACTION_ABORTED
@ HYBRID_PLANNING_REQUEST_RECEIVED
@ LOCAL_PLANNING_ACTION_REJECTED
@ GLOBAL_PLANNING_ACTION_REJECTED
@ LOCAL_PLANNING_ACTION_SUCCESSFUL
@ LOCAL_PLANNING_ACTION_ABORTED
@ GLOBAL_PLANNING_ACTION_CANCELED
@ LOCAL_PLANNING_ACTION_CANCELED