fr.setMethods(JMethodDeclaration.EMPTY()); fr.setFields(JFieldDeclaration.EMPTY());
    private void initBuiltinFilters() {	SIRFileReader fr = new SIRFileReader(null,					     "FileReader",					     new JIntLiteral(null, 0),					     new JIntLiteral(null, 0),					     new JIntLiteral(null, 1),					     null, 					     "");	fr.setMethods(JMethodDeclaration.EMPTY());	fr.setFields(JFieldDeclaration.EMPTY());	addVisitedOp("FileReader", fr);		SIRFileWriter fw = new SIRFileWriter(null, 					     "FileWriter",					     new JIntLiteral(null, 1),					     new JIntLiteral(null, 1),					     new JIntLiteral(null, 0),					     null, 					     "");	fw.setMethods(JMethodDeclaration.EMPTY());	fw.setFields(JFieldDeclaration.EMPTY());	addVisitedOp("FileWriter", fw);	SIRIdentity sirId = new SIRIdentity(null, "Identity",					    null);	addVisitedOp("Identity", sirId);    }	