checkChangingFlag(md);
        writeStatusScheme(encoder, md);
    }

    private void checkChangingFlag(ComponentMetadata md) {
        boolean changing = md.isChanging();
        if (changing) {
            throw new UnsupportedOperationException("User-supplied metadata shouldn't have changing=true");
        }
    }

    private void writeStatusScheme(Encoder encoder, ComponentMetadata md) throws IOException {