Method: FACTORY_CLEAR
Method: FACTORY
Method: RENDER_MATRIX_CBGR
Method: RENDER_GRP_CBGR
Method: IF_BSP_ELEMENT~DO_AT_END
Method: IF_BSP_ELEMENT~DO_AT_BEGINNING
Method: IF_BSP_ELEMENT~RUNTIME_IS_VALID
Method: GET_CHECKBOXGROUP_TOOLTIP