<PackageReference Include="Microsoft.Identity.Client" Version="4.84.2-preview4-GetManagedIdentityCapabilitiesAsync" />

Microsoft.Identity.Client.ClientSignedAssertion

public class ClientSignedAssertion
Container returned from WithClientAssertion.
namespace Microsoft.Identity.Client { public class ClientSignedAssertion { public string Assertion { get; set; } public X509Certificate2 TokenBindingCertificate { get; set; } public ClientSignedAssertion(); } }