Used by the FragmentFilter to indicate that a login redirect is pending.
trueif a downstream filter notifies IG that it will redirect a login attempt. Otherwise,
IG sets this context to
truewhen a filter triggers a redirect which will be followed by a subsequent request to the original URI.
For example, a request to
example.com/profiletriggers a login redirect to
example.com/login. After authentication, the request is expected to be redirected to the original URI,