new ConvertCommunicationSimple(generatedVariables);
new ConvertCommunicationSimple(generatedVariables, filterInfo);
    private void convertCommExprs()     {	SLIRReplacingVisitor convert;		if (isSimple()) {	    convert = 		new ConvertCommunicationSimple(generatedVariables);	}	else	    convert = new ConvertCommunication(generatedVariables);		JMethodDeclaration[] methods = filterInfo.filter.getMethods();	for (int i = 0; i < methods.length; i++) {	    //iterate over the statements and call the ConvertCommunication	    //class to convert peek, pop	    for (ListIterator it = methods[i].getStatementIterator();		 it.hasNext(); ){		((JStatement)it.next()).accept(convert);	    }	}    }