question: this class is immutable . concode_field_sep PlaceHolder placeHolder concode_field_sep void testSerialization concode_elem_sep void testEquals
target: void function ( ) { XYInterval loc0 = new XYInterval ( 1.0 , 2.0 , 3.0 , 2.5 , 3.5 ) ; assertFalse ( loc0 instanceof Cloneable ) ; }