<PackageReference Include="Microsoft.IdentityModel.Tokens" Version="8.22.0" />

Microsoft.IdentityModel.Tokens.IssuerValidatorAsync

sealed delegate IssuerValidatorAsync : MulticastDelegate
Asynchronously validates the issuer of the security token.
public IssuerValidatorAsync(object object, IntPtr method)

public virtual IAsyncResult BeginInvoke(string issuer, SecurityToken securityToken, TokenValidationParameters validationParameters, AsyncCallback callback, object object)

public virtual ValueTask<string> EndInvoke(IAsyncResult result)

public virtual ValueTask<string> Invoke(string issuer, SecurityToken securityToken, TokenValidationParameters validationParameters)