code: public synchronized Configuration loadConfiguration() {
      if (configurationBuffer.position(0).readByte() == 1) {
        return new Configuration(
            configurationBuffer.readLong(),
            configurationBuffer.readLong(),
            configurationBuffer.readLong(),
            serializer.readObject(configurationBuffer)
        );
      }
      return null;
    }
docs: Loads the current cluster configuration.
  
  @return The current cluster configuration.