The expiration threshold in milliseconds before forcing token refresh of unexpired tokens.
API endpoint to fetch token from.
Whether to attempt to refresh tokens on status 401/403 responses even if an attempt is made to refresh the token preemptively based on the expiry_date.
Number of seconds the delegated credential should be valid.
Client used to perform exchange for impersonated client.
The service account to impersonate.
Scopes to request during the authorization grant.
A Gaxios
or Transporter
instance to use for AuthClient
requests.
Provides default options to the transporter, such as agent
or
retryConfig
.
The chained list of delegates required to grant the final access_token.