Method: INITIALIZE
Method: GET_CAPTION
Method: CREATE_ITEM_BY_QUELL
Method: GET_TECHNM
Method: QDEF_CONSTRUCT
Method: GET_AGGREGATOR_OF_INSTANCE
Method: GET_SELECTIONS
Method: COLLECT_CHANM
Method: GET_AGGR_EXC
Method: CONSTRUCTOR
Method: GET_PROPERTIES
Method: CONCATENATE_TEXT
Method: SIMPLIFY_FORMULA