T function ( Family arg0 ) { return null ; }
returns the result of interpreting the object as an instance of ' family ' . this implementation returns null ; returning a non-null result will terminate the switch . concode_field_sep BasicfamilyPackage modelPackage concode_field_sep T doSwitch concode_elem_sep T doSwitch concode_elem_sep T doSwitch concode_elem_sep T caseMan concode_elem_sep T casePerson concode_elem_sep T defaultCase concode_elem_sep T caseWoman