public void METHOD_1 ( TYPE_1 event ) { if ( ( VAR_1 ) instanceof TYPE_2 ) { TYPE_2 VAR_2 = ( ( TYPE_2 ) ( VAR_1 ) ) ; this . VAR_3 . remove ( VAR_2 ) ; } } 

public void METHOD_1 ( TYPE_1 event ) { if ( ( VAR_1 ) instanceof TYPE_2 ) { TYPE_2 VAR_2 = ( ( TYPE_2 ) ( VAR_1 ) ) ; synchronized ( this . VAR_3 ) { this . VAR_3 . remove ( VAR_2 ) ; } } } 
