docs: @SuppressWarnings("deprecation")
  	@VisibleForTesting
  	public static boolean hasNewNetworkConfig(final Configuration config) {
  		return config.contains(TaskManagerOptions.NETWORK_BUFFERS_MEMORY_FRACTION) ||
  			config.contains(TaskManagerOptions.NETWORK_BUFFERS_MEMORY_MIN) ||
  			config.contains(TaskManagerOptions.NETWORK_BUFFERS_MEMORY_MAX) ||
  			!config.contains(TaskManagerOptions.NETWORK_NUM_BUFFERS);
  	}