@Override
    public void add(Annotation annotation)
    {
        super.add(annotation);

        if (!annotation.refs.isEmpty())
            references.add(new ConfiguredReference(annotation.refs, annotation.params, null));
    }
Returns the java package name that was configured in the proto. Note that {@link #getJavaPackageName()} will have
the same value as this, if the compiler options did not have entries that override it.
protostuff-parser/src/main/java/io/protostuff/parser/Proto.java