<PackageReference Include="System.ServiceModel.Primitives" Version="8.1.2" />

System.ServiceModel.Channels.SequenceRange

struct SequenceRange
namespace System.ServiceModel.Channels { internal struct SequenceRange { public long Lower { get; } public long Upper { get; } public SequenceRange(long number); public SequenceRange(long lower, long upper); public static bool operator ==(SequenceRange a, SequenceRange b); public static bool operator !=(SequenceRange a, SequenceRange b); public bool Contains(long number); public bool Contains(SequenceRange range); } }