module GapiClientLogin:sig..end
module Error:sig..end
module Service:sig..end
exception LoginException of Error.t
val get_auth_token : ?account_type:string ->
?url:string ->
email:string ->
password:string ->
source:string ->
service:Service.t ->
GapiConversation.Session.t -> GapiAuthResponse.t * GapiConversation.Session.t