Mints the token response for a grant: the access token, and where the grant
calls for them a refresh token and an ID Token, through the one funnel
every grant uses.
Parameters
base: any
the authorization server's base URL
opts: any
the grant's facts, withRefresh among them
Returns Promise<any>
a promise of the token response body
Throws
an AccessTokenRefused when the audience plan or a sender
constraint refuses the request
Mints the token response for a grant: the access token, and where the grant calls for them a refresh token and an ID Token, through the one funnel every grant uses.