Method: CONSTRUCTOR
Method: GET_NEXT_PHASE
Method: START_WORKFLOW_FOR_SURVEY
Method: IF_GRPC_DISCSVY_PHASE_MGR~GET_PHASE
Method: IF_GRPC_DISCSVY_PHASE_MGR~GET_NEXT_PHASE
Method: IF_GRPC_DISCSVY_PHASE_MGR~GET_DISCSVY_PLAN
Method: ON_PHASE_CHANGED
Method: IF_GRPC_DISCSVY_PHASE_MGR~SET_DISCSVY_PLAN