<PackageReference Include="BouncyCastle.Cryptography" Version="2.6.2" />

Org.BouncyCastle.Tls.ByteQueueInputStream

public sealed class ByteQueueInputStream : BaseInputStream
namespace Org.BouncyCastle.Tls { public sealed class ByteQueueInputStream : BaseInputStream { public int Available { get; } public ByteQueueInputStream(); public void AddBytes(byte[] buf); public void AddBytes(byte[] buf, int bufOff, int bufLen); public int Peek(byte[] buf); public long Skip(long n); } }