public boolean METHOD_1 ( TYPE_1 t ) { java.lang.System.out.println ( STRING_1 ) ; VAR_1 . add ( t ) ; return VAR_2 . add ( t ) ; } 

public boolean METHOD_1 ( TYPE_1 t ) { if ( VAR_1 . contains ( t ) ) return false ; java.lang.System.out.println ( STRING_1 ) ; VAR_1 . add ( t ) ; return VAR_2 . add ( t ) ; } 
