<PackageReference Include="System.ServiceModel.Primitives" Version="8.1.1" />

System.IdentityModel.Tokens.GenericXmlSecurityToken

public SecurityToken ProofToken { get; }

public XmlElement TokenXml { get; }

public GenericXmlSecurityToken(XmlElement tokenXml, SecurityToken proofToken, DateTime effectiveTime, DateTime expirationTime, SecurityKeyIdentifierClause internalTokenReference, SecurityKeyIdentifierClause externalTokenReference, ReadOnlyCollection<IAuthorizationPolicy> authorizationPolicies)