<PackageReference Include="Microsoft.Net.Http" Version="2.2.13" />

System.Net.Http.Headers.AuthenticationHeaderValue

public class AuthenticationHeaderValue : ICloneable
Represents authentication information in Authorization, ProxyAuthorization, WWW-Authneticate, and Proxy-Authenticate header values.
public string Parameter { get; }

public string Scheme { get; }

public AuthenticationHeaderValue(string scheme)

public AuthenticationHeaderValue(string scheme, string parameter)

public static AuthenticationHeaderValue Parse(string input)

public static bool TryParse(string input, out AuthenticationHeaderValue parsedValue)