Method: VISIT_TASK
Method: COLLECT_TASK
Method: COLLECT_TASK_S
Method: GET_DATA_EXT
Method: GET_0_FINISH_DATE
Method: GET_0_FINISH_DATE_LATE
Method: GET_TASKS_OF_ROLE
Method: SET_DEFAULTS_UPON_COPYING
Method: IF_DPR_COMMON~CHECK
Method: SET_DATA_EXT
Method: SET_MIRRORED_TASK
Method: CONSTRUCTOR
Method: PREPARE_RELATIONSHIPS
Method: PROCESS_TASK_HIERARCHY