<PackageReference Include="Microsoft.Identity.Client" Version="4.83.0" />

Microsoft.Identity.Client.Cache.AdalTokenCacheKey

AdalTokenCacheKey can be used with Linq to access items from the TokenCache dictionary.
public string Authority { get; }

public string ClientId { get; }

public string DisplayableId { get; }

public string Resource { get; }

For the purposes of MSAL, the resource is irrelevant, since only RTs can be migrated.

public string UniqueId { get; }

public bool Equals(AdalTokenCacheKey other)

Determines whether the specified TokenCacheKey is equal to the current object.