returns the result of interpretting the object as an instance of ` property difference ' . this implementation returns null ; returning a non-null result will terminate the switch . concode_field_sep ComparePackage modelPackage concode_field_sep Object doSwitch concode_elem_sep Object doSwitch concode_elem_sep Object doSwitch concode_elem_sep Object caseDifferenceDescriptor concode_elem_sep Object caseDifferenceReport concode_elem_sep Object defaultCase concode_elem_sep Object caseMappingHelper
Object function ( PropertyDifference arg0 ) { return null ; }