public static MetadataSerializer get() throws HCatException {
    return new MetadataJSONSerializer();
  }
Static getter method for the appropriate MetadataSerializer implementation.
@return MetadataSerializer sub-class.
@throws HCatException On failure to construct a concrete MetadataSerializer.
hcatalog/webhcat/java-client/src/main/java/org/apache/hive/hcatalog/api/MetadataSerializer.java