Each bundle using this service has its own set of preference trees: one for system preferences, and one for each user.
PreferencesService object is specific to the bundle which obtained
it from the service registry. If a bundle wishes to allow another bundle to
access its preferences, it should pass its
to that bundle.
- "Consumers of this API must not implement this interface"
getSystemPreferencesPreferences getSystemPreferences()Returns the root system node for the calling bundle.
- The root system node for the calling bundle.
getUserPreferencesReturns the root node for the specified user and the calling bundle.
name- The user for which to return the preference root node.
- The root node for the specified user and the calling bundle.
getUsersString getUsers()Returns the names of users for which node trees exist.
- The names of users for which node trees exist.