System.ServiceModel.Channels.SequenceRangeCollection abstract class SequenceRangeCollection Documentation Code public static SequenceRangeCollection Empty { get; } public abstract int Count { get; } public abstract SequenceRange this[int index] { get; } protected SequenceRangeCollection() public abstract bool Contains(long number) public abstract SequenceRangeCollection MergeWith(long number) public abstract SequenceRangeCollection MergeWith(SequenceRange range)