private void METHOD_1 ( TYPE_1 event ) { if ( VAR_1 . METHOD_2 ( ) ) { event . METHOD_3 ( ) ; METHOD_4 ( ) ; } } 

private void METHOD_1 ( TYPE_1 event ) { if ( ( VAR_1 ) != null ) { if ( VAR_1 . METHOD_2 ( ) ) { event . METHOD_3 ( ) ; METHOD_4 ( ) ; } } } 
