class KeyMatch4Func extends AbstractFunction {
    @Override
    public AviatorObject call(Map<String, Object> env, AviatorObject arg1, AviatorObject arg2) {<FILL_FUNCTION_BODY>}

    @Override
    public String getName() {
        return "keyMatch4";
    }
}

        String key1 = FunctionUtils.getStringValue(arg1, env);
        String key2 = FunctionUtils.getStringValue(arg2, env);

        return AviatorBoolean.valueOf(BuiltInFunctions.keyMatch4(key1, key2));
    
<no_super_class>