private static Class<?> loadClass(String className, @Nullable Configuration configuration)
      throws Exception {
    if (configuration != null) {
      return configuration.getClassByName(className);
    }
    return JavaUtils.loadClass(className);
  }
HBaseSerDeParameters encapsulates SerDeParameters and additional configurations that are specific for
HBaseSerDe.
hbase-handler/src/java/org/apache/hadoop/hive/hbase/HBaseSerDeParameters.java