public void METHOD_1 ( java.util.Set < TYPE_1 > remove , java.util.Set < TYPE_1 > add ) { synchronized ( this . VAR_1 ) { this . VAR_1 . METHOD_2 ( remove ) ; this . VAR_1 . METHOD_3 ( add ) ; } } 

public void METHOD_1 ( java.util.Collection < TYPE_1 > remove , java.util.Collection < TYPE_1 > add ) { synchronized ( this . VAR_1 ) { this . VAR_1 . METHOD_2 ( remove ) ; this . VAR_1 . METHOD_3 ( add ) ; } } 
