Implemented by the system settings service to provide additional settings to NetworkManager. Save the hostname to persistent configuration. The hostname to save to persistent configuration. If blank, the persistent hostname is cleared. The machine hostname stored in persistent configuration. If true, adding and modifying connections is supported. A dictionary mapping property names to variant boxed values Emitted when system authorization details change, indicating that clients may wish to recheck permissions with GetPermissions. Returns a bitfield indicating certain operations the caller is permitted to perform. Some of these operations may require authorization by the user. A bitfield of permitted operations. Some of these operations may require the user to authorize via password entry or other means. No permissions. Can modify/add/delete connections. Can share connections via a encrypted user-created WiFi network. Can share connections via a open/unencrypted user-created WiFi network. Can modify the persistent system hostname.