protected void METHOD_1 ( TYPE_1 VAR_1 ) { super . METHOD_1 ( VAR_1 ) ; this . VAR_2 . METHOD_2 ( VAR_1 ) ; } 

protected void METHOD_1 ( TYPE_1 VAR_1 ) { super . METHOD_1 ( VAR_1 ) ; if ( VAR_1 != null ) this . VAR_2 . METHOD_2 ( VAR_1 ) ; } 
