resolve
Return
where to send that key, or null to let the next resolver decide
Parameters
credential
the user's key, and the provider name it was stored under
model
the model the role named, which may be one this framework version does not know
where to send that key, or null to let the next resolver decide
the user's key, and the provider name it was stored under
the model the role named, which may be one this framework version does not know