Defines the authentication mechanism to be used, and provides any necessary configuration. Defines a unique ID which may be used to identify this feed. Defines the URI at which this feed can be read. Defines how often, in seconds, the Atom Feed service checks this feed for updates. Defines the order in which new Atom events will be delivered to any listeners registered on this feed. HTTP Connection pool ID to use when communicating with this feed With this ordering, a feed listener will receive events in the order in which entries are read from the feed, from top to bottom. With this ordering, a feed listener will receive events in the order in which entries are put on the feed, from bottom to top. Defines the fully qualified class name of a class which can authenticate requests. Defines the URI at which the OpenStack Identity service can be reached. Defines the username of the user which will query the authenticated feed. Note that the user must have, at a minimum, read permissions on the associated feed. Defines the password of the user which will query the authenticated feed. Defines the amount of time, in milliseconds, to wait before considering an authentication attempt to be a failure. A value of '0' indicates an infinite wait time.