question: integer unbox operation that treats null as 0 . concode_field_sep Set<Resource> all concode_elem_sep Map<Resource,Integer> write concode_elem_sep Logger LOGGER concode_elem_sep Integer MAX_INT concode_elem_sep ResourceList EMPTY concode_field_sep boolean isCollidingWith concode_elem_sep ResourceList r concode_elem_sep ResourceList w concode_elem_sep Resource _getConflict concode_elem_sep String toString concode_elem_sep ResourceList union concode_elem_sep ResourceList union concode_elem_sep Resource getConflict
target: int function ( Integer arg0 ) { return arg0 == null ? 0 : arg0 ; }