@Override
    protected <T> void writeTo(OutputStream out, T message, Schema<T> schema) throws IOException
    {
        JsonXIOUtil.writeTo(out, message, schema, isNumeric(), buf());
    }
Test jsonx ser/deser for runtime {@link Object} fields.

@author David Yu
@created Feb 4, 2011
protostuff-json/src/test/java/io/protostuff/JsonXRuntimeObjectSchemaTest.java