namespace System.IdentityModel.Tokens { public class X509IssuerSerialKeyIdentifierClause : SecurityKeyIdentifierClause { public string IssuerName { get; } public string IssuerSerialNumber { get; } public X509IssuerSerialKeyIdentifierClause(string issuerName, string issuerSerialNumber); public X509IssuerSerialKeyIdentifierClause(X509Certificate2 certificate); public bool Matches(X509Certificate2 certificate); public bool Matches(string issuerName, string issuerSerialNumber); } }