prop panel classifi classifi prop panel object element defin usecasediagram lp usecasediagram granular type statement model facad actor element prop panel actor endif model facad associ element prop panel associ model facad element prop panel model facad classifi state element prop panel classifi state model facad classifi role element prop panel classifi role model facad compon element prop panel compon model facad data type element model facad enumer element prop panel enumer prop panel data type model facad element prop panel model facad node element prop panel node model facad signal element model facad except element prop panel except prop panel signal defin usecasediagram lp usecasediagram granular type statement model facad us element prop panel us endif todo subsystem classifi prop panel deriv prop panel model facad subsystem element prop panel subsystem todo uml associ fall classifi relationship test classifi illeg argument except unsupport element type 