public void METHOD_1 ( TYPE_1 < ? > operation ) { VAR_1 . add ( operation ) ; synchronized ( VAR_1 ) { VAR_1 . METHOD_2 ( ) ; } } 

public void METHOD_1 ( TYPE_1 < ? > operation ) { synchronized ( VAR_1 ) { VAR_1 . add ( operation ) ; VAR_1 . METHOD_2 ( ) ; } } 
