public void METHOD_1 ( TYPE_1 VAR_1 ) { VAR_2 = VAR_1 ; TYPE_2 . METHOD_2 ( this ) ; } 

public void METHOD_1 ( TYPE_1 VAR_1 ) { if ( VAR_1 == null ) return ; VAR_2 = VAR_1 ; TYPE_2 . METHOD_2 ( this ) ; } 
