The account identifier and all token material are deliberately replaced or omitted. Calling this function does not open a browser; an expired stored credential may be refreshed.
Value
A one-row data frame with columns:
authenticatedLogical; whether a valid package credential was found.
accountAlways
"<redacted>"; account identifiers are never returned.expires_atThe access-token expiry as a UTC
POSIXctvalue, orNAwhen unauthenticated.
