<PackageReference Include="Microsoft.Identity.Client" Version="4.89.0" />

Microsoft.Identity.Client.Instance.Discovery.KnownCloudEntry

sealed class KnownCloudEntry
A single canonical "known cloud" record: the authority host aliases, preferred network/cache hosts, and the (bare) FIC token exchange audience.
namespace Microsoft.Identity.Client.Instance.Discovery { internal sealed class KnownCloudEntry { public string[] Aliases { get; set; } public string PreferredNetwork { get; set; } public string PreferredCache { get; set; } public string FederatedCredentialAudience { get; set; } public bool IsPublic { get; set; } public KnownCloudEntry(); } }