Method: CREATE_FILTER_STRING
Method: IF_SALV_CSF_ATTRIBUTE_DESCR~IS_CHARACTER_BASED
Method: CREATE_ATTRIBUTE_FILTER_RULE
Method: IF_SALV_CSF_P_FIELD_RULE~CREATE_FILTER_RULE
Method: CREATE_ATTRIBUTE_SORT_RULE
Method: IF_SALV_CSF_P_COLUMN_SUPPLDATA~PROVIDE_COLUMN_SUPPLDATA