private static < TYPE_1 > java.util.Iterator < TYPE_1 > METHOD_1 ( java.util.Iterator < TYPE_2 < TYPE_1 > > iterator ) { return TYPE_3 . METHOD_2 ( TYPE_3 . METHOD_3 ( iterator , TYPE_2 : : iterator ) ) ; } 

private static < TYPE_1 > java.util.Iterator < TYPE_1 > METHOD_1 ( java.util.Iterator < TYPE_2 < TYPE_1 > > iterator ) { return TYPE_3 . METHOD_2 ( TYPE_3 . METHOD_3 ( iterator , TYPE_2 < TYPE_1 > : : iterator ) ) ; } 
