docs: @Nullable
  	public static KeyedStateHandle chooseTheBestStateHandleForInitial(
  		@Nonnull Collection<KeyedStateHandle> restoreStateHandles,
  		@Nonnull KeyGroupRange targetKeyGroupRange) {
  
  		KeyedStateHandle bestStateHandle = null;
  		double bestScore = 0;
  		for (KeyedStateHandle rawStateHandle : restoreStateHandles) {
  			double handleScore = STATE_HANDLE_EVALUATOR.apply(rawStateHandle, targetKeyGroupRange);
  			if (handleScore > bestScore) {
  				bestStateHandle = rawStateHandle;
  				bestScore = handleScore;
  			}
  		}
  
  		return bestStateHandle;
  	}