<PackageReference Include="Microsoft.Identity.Client" Version="4.85.2" />

Microsoft.Identity.Client.Instance.AuthorityManager

This object is at REQUEST level.
namespace Microsoft.Identity.Client.Instance { internal class AuthorityManager { public Authority OriginalAuthority { get; } public Authority Authority { get; } public AuthorityManager(RequestContext requestContext, Authority initialAuthority); public Task<InstanceDiscoveryMetadataEntry> GetInstanceDiscoveryEntryAsync(); public Task RunInstanceDiscoveryAndValidationAsync(); public static void ClearValidationCache(); } }