In client-side scripts, this method will return a transaction id for the async request that can be used to cancel the request. In server-side scripts, this method will return the JSON response object (first parameter of the success or failure callbacks.)
Retrieves the set of users that have all of a specified set of permissions. A group may be provided and only users within that group will be returned. A name (prefix) may be provided and only users whose email or display name starts with the prefix will be returned. This will not return any deactivated users (since they do not have permissions of any sort).