// Convert the result to a map.
ObjectMapper mapper = new ObjectMapper();
// We need to suppress Java's type erasure. :(
@SuppressWarnings("unchecked")
Map<String, Object> metaData =
mapper.convertValue(schema, Map.class);
// Remove the schema from the meta-data.
metaData.remove(Schema.JSON_KEY_SCHEMA);
// Save the meta-data.