MultiSizeLabelNameDictionary<TAggregator>
public FixedSizeLabelNameDictionary<TStringSequence, TObjectSequence, TAggregator> GetFixedSizeLabelNameDictionary<TStringSequence, TObjectSequence>() where TStringSequence : IStringSequence, IEquatable<TStringSequence> where TObjectSequence : IObjectSequence, IEquatable<TObjectSequence>