<PackageReference Include="Microsoft.Identity.Client" Version="4.84.2" />

Microsoft.Identity.Client.TokenSource

public enum TokenSource
Specifies the source of the access and Id tokens in the authentication result.
Broker = 2

The source of the access and Id token is a broker application - Authenticator or Company Portal. Brokers are supported only on Android and iOS.

Cache = 1

The source of access and Id token is MSAL's cache.

IdentityProvider = 0

The source of the access and Id token is Identity Provider - Microsoft Entra ID, ADFS or AAD B2C.