<PackageReference Include="BouncyCastle.Cryptography" Version="2.3.0" />

Org.BouncyCastle.Pqc.Crypto.Crystals.Kyber.PolyVec

class PolyVec
namespace Org.BouncyCastle.Pqc.Crypto.Crystals.Kyber { internal class PolyVec { } }