Method: CREATE_FILTER_STRING
Method: GET_GROUP_RULES_AS_TABLE
Method: GET_AGGR_RULES_AS_TABLE
Method: IF_SALV_CSF_ATTR_SRVC_RULES~GET_ATTRIBUTE_RULES
Method: IF_SALV_CSF_FIELD_FILT_RULE_P~ADD_SELOPT
Method: PROVIDE_SUPPLDATA_USG
Method: RECONVERT_CALCULATED_AGGR_DATA