LatestRevision may be optionally provided to indicate that the latest ready Revision of the Configuration should be used for this traffic target. When provided LatestRevision must be true if RevisionName is empty; it must be false when RevisionName is non-empty.
(Output) URL displays the URL for accessing tagged traffic targets. URL is displayed in status, and is disallowed on spec. URL must contain a scheme (e.g. http://) and a hostname, but may not contain anything else (e.g. basic auth, url path, etc.)