public void METHOD_1 ( TYPE_1 VAR_1 , int position ) { VAR_2 . METHOD_1 ( VAR_1 , position ) ; } 

public void METHOD_1 ( TYPE_1 VAR_1 , int position ) { if ( null != ( VAR_2 ) ) { VAR_2 . METHOD_1 ( VAR_1 , position ) ; } } 
