docs: public static AvroUtils getAvroUtils() {
  		// try and load the special AvroUtils from the flink-avro package
  		try {
  			Class<?> clazz = Class.forName(AVRO_KRYO_UTILS, false, Thread.currentThread().getContextClassLoader());
  			return clazz.asSubclass(AvroUtils.class).getConstructor().newInstance();
  		} catch (ClassNotFoundException e) {
  			// cannot find the utils, return the default implementation
  			return new DefaultAvroUtils();
  		} catch (Exception e) {
  			throw new RuntimeException("Could not instantiate " + AVRO_KRYO_UTILS + ".", e);
  		}
  	}