protected TYPE_1 METHOD_1 ( TYPE_2 VAR_1 ) { TYPE_3 VAR_2 = VAR_1 . METHOD_2 ( ) ; if ( VAR_2 instanceof TYPE_1 ) { return ( ( TYPE_1 ) ( VAR_2 ) ) ; } else if ( VAR_2 instanceof TYPE_2 ) { return METHOD_1 ( ( ( TYPE_2 ) ( VAR_2 ) ) ) ; } else if ( VAR_2 instanceof TYPE_4 ) { return METHOD_1 ( ( ( TYPE_4 ) ( VAR_2 ) ) ) ; } return null ; }

protected TYPE_1 METHOD_1 ( TYPE_2 VAR_1 ) { TYPE_3 VAR_2 = VAR_1 . METHOD_2 ( ) ; if ( VAR_2 instanceof TYPE_1 ) { return ( ( TYPE_1 ) ( VAR_2 ) ) ; } else if ( VAR_2 instanceof TYPE_2 ) { return METHOD_1 ( ( ( TYPE_2 ) ( VAR_2 ) ) ) ; } return null ; }
