private TYPE_1 METHOD_1 ( final TYPE_2 VAR_1 ) { if ( VAR_1 instanceof TYPE_3 ) { final TYPE_1 VAR_2 = ( ( TYPE_3 ) ( VAR_1 ) ) . METHOD_1 ( ) ; if ( VAR_2 instanceof TYPE_4 ) { return null ; } return VAR_2 ; } return null ; }

private TYPE_1 METHOD_1 ( final TYPE_2 VAR_1 ) { if ( VAR_1 instanceof TYPE_3 ) { final TYPE_1 VAR_2 = ( ( TYPE_3 ) ( VAR_1 ) ) . METHOD_1 ( ) ; if ( VAR_2 instanceof TYPE_3 ) { return null ; } return VAR_2 ; } return null ; }
