<PackageReference Include="NETStandard.Library" Version="2.0.3" />

System.Security.Cryptography.X509Certificates.X509CertificateCollection

public X509Certificate this[int index] { get; set; }

public int Add(X509Certificate value)

public void AddRange(X509Certificate[] value)

public bool Contains(X509Certificate value)

public void CopyTo(X509Certificate[] array, int index)

public int IndexOf(X509Certificate value)

public void Insert(int index, X509Certificate value)

public void Remove(X509Certificate value)