public void METHOD_1 ( TYPE_1 VAR_1 ) { <BUG> synchronized ( this . VAR_2 ) {</BUG> this . VAR_2 . remove ( VAR_1 ) ; } }
public void METHOD_1 ( TYPE_1 VAR_1 ) { synchronized ( this ) { this . VAR_2 . remove ( VAR_1 ) ; } } 
