A state source exposing the current OAuth tokens (including expiry), or
null when not logged in via OAuth. The refresh token is omitted — it is a
long-lived credential held internally by core for refreshOAuthTokens, not
part of the app-facing token view.
A state source exposing the current OAuth tokens (including expiry), or
nullwhen not logged in via OAuth. The refresh token is omitted — it is a long-lived credential held internally by core forrefreshOAuthTokens, not part of the app-facing token view.