public void METHOD_1 ( TYPE_1 view ) { if ( ! ( VAR_1 . contains ( view ) ) ) { java.lang.System.err.println ( ( ( VAR_2 ) + STRING_1 ) ) ; return ; } VAR_1 . add ( view ) ; } 

public void METHOD_1 ( TYPE_1 view ) { if ( ! ( VAR_1 . contains ( view ) ) ) { java.lang.System.err.println ( ( ( VAR_2 ) + STRING_1 ) ) ; return ; } VAR_1 . remove ( view ) ; } 
