private static void METHOD_1 ( TYPE_1 target , TYPE_1 VAR_1 ) { if ( target instanceof TYPE_2 ) { TYPE_2 . METHOD_2 ( target ) . VAR_2 = VAR_1 ; } if ( VAR_1 instanceof TYPE_2 ) { TYPE_2 . METHOD_2 ( VAR_1 ) . VAR_3 = target ; } }

private static void METHOD_1 ( TYPE_1 target , TYPE_1 VAR_1 ) { if ( target == VAR_1 ) return ; if ( target instanceof TYPE_2 ) { TYPE_2 . METHOD_2 ( target ) . VAR_2 = VAR_1 ; } if ( VAR_1 instanceof TYPE_2 ) { TYPE_2 . METHOD_2 ( VAR_1 ) . VAR_3 = target ; } }
