Response.java

    @JsonIgnore
    @Override
    public <T> List<T> resolve(ResultReferencesPath path, Class<T> clazz) {
        Preconditions.checkArgument(path.getPath().equals("/messageIds"), "only messageIds is supported");
        ResultReferenceTypeMismatchException.assertValidTypes(MessageId.class, clazz);

        return (List<T>) getMessageIds();
    }