Warning, /frameworks/networkmanager-qt/src/dbus/introspection/org.freedesktop.NetworkManager.Settings.xml is written in an unsupported language. File is not indexed.

 <?xml version="1.0" encoding="UTF-8"?>
 <node name="/org/freedesktop/NetworkManager/Settings">
 
   <!--
       org.freedesktop.NetworkManager.Settings:
 
       The Settings interface allows clients to view and administrate the
       connections stored and used by NetworkManager.
   -->
   <interface name="org.freedesktop.NetworkManager.Settings">
 
     <!--
         ListConnections:
         @connections: List of connections.
 
         List the saved network connections known to NetworkManager.
     -->
     <method name="ListConnections">
       <arg name="connections" type="ao" direction="out"/>
     </method>
 
     <!--
         GetConnectionByUuid:
         @uuid: The UUID to find the connection object path for.
         @connection: The connection's object path.
 
         Retrieve the object path of a connection, given that connection's UUID.
     -->
     <method name="GetConnectionByUuid">
       <arg name="uuid" type="s" direction="in"/>
       <arg name="connection" type="o" direction="out"/>
     </method>
 
     <!--
         AddConnection:
         @connection: Connection settings and properties.
         @path: Object path of the new connection that was just added.
 
         Add new connection and save it to disk. This operation does not start the
         network connection unless (1) device is idle and able to connect to the
         network described by the new connection, and (2) the connection is allowed
         to be started automatically.
     -->
     <method name="AddConnection">
       <annotation name="org.qtproject.QtDBus.QtTypeName.In0" value="NMVariantMapMap"/>
       <arg name="connection" type="a{sa{sv}}" direction="in"/>
       <arg name="path" type="o" direction="out"/>
     </method>
 
     <!--
         AddConnectionUnsaved:
         @connection: Connection settings and properties.
         @path: Object path of the new connection that was just added.
 
         Add new connection but do not save it to disk immediately. This operation
         does not start the network connection unless (1) device is idle and able
         to connect to the network described by the new connection, and (2) the
         connection is allowed to be started automatically. Use the 'Save' method
         on the connection to save these changes to disk. Note that unsaved changes
         will be lost if the connection is reloaded from disk (either automatically
         on file change or due to an explicit ReloadConnections call).
     -->
     <method name="AddConnectionUnsaved">
       <annotation name="org.qtproject.QtDBus.QtTypeName.In0" value="NMVariantMapMap"/>
       <arg name="connection" type="a{sa{sv}}" direction="in"/>
       <arg name="path" type="o" direction="out"/>
     </method>
 
     <!--
         LoadConnections:
         @filenames: Array of paths to on-disk connection profiles in directories monitored by NetworkManager.
         @status: Success or failure of the operation as a whole. True if NetworkManager at least tried to load the indicated connections, even if it did not succeed. False if an error occurred before trying to load the connections (eg, permission denied).
         @failures: Paths of connection files that could not be loaded.
 
         Loads or reloads the indicated connections from disk. You should call this
         after making changes directly to an on-disk connection file to make sure
         that NetworkManager sees the changes. (If "monitor-connection-files" in
         NetworkManager.conf is "true", then this will have no real effect, but is
         harmless.) As with AddConnection(), this operation does not necessarily
         start the network connection.
     -->
     <method name="LoadConnections">
       <arg name="filenames" type="as" direction="in"/>
       <arg name="status" type="b" direction="out"/>
       <arg name="failures" type="as" direction="out"/>
     </method>
 
     <!--
         ReloadConnections:
         @status: Success or failure.
 
         Tells NetworkManager to reload all connection files from disk, including
         noticing any added or deleted connection files. By default, connections
         are re-read automatically any time they change, so you only need to use
         this command if you have set "monitor-connection-files=false" in
         NetworkManager.conf.
     -->
     <method name="ReloadConnections">
       <arg name="status" type="b" direction="out"/>
     </method>
 
     <!--
         SaveHostname:
         @hostname: The hostname to save to persistent configuration. If blank, the persistent hostname is cleared.
 
         Save the hostname to persistent configuration.
     -->
     <method name="SaveHostname">
       <arg name="hostname" type="s" direction="in"/>
     </method>
 
     <!--
         Connections:
 
         List of object paths of available network connection profiles.
     -->
     <property name="Connections" type="ao" access="read"/>
 
     <!--
         Hostname:
 
         The machine hostname stored in persistent configuration.
     -->
     <property name="Hostname" type="s" access="read"/>
 
     <!--
         CanModify:
 
         If true, adding and modifying connections is supported.
     -->
     <property name="CanModify" type="b" access="read"/>
 
     <!--
         PropertiesChanged:
         @properties: A dictionary mapping property names to variant boxed values
 
         DEPRECATED. Use the standard "PropertiesChanged" signal from "org.freedesktop.DBus.Properties" instead which exists since version NetworkManager 1.2.0.
     -->
     <signal name="PropertiesChanged">
       <annotation name="org.qtproject.QtDBus.QtTypeName.In0" value="QVariantMap"/>
       <arg name="properties" type="a{sv}" direction="In"/>
     </signal>
 
     <!--
         NewConnection:
         @connection: Object path of the new connection.
 
         Emitted when a new connection has been added after NetworkManager has
         started up and initialized. This signal is not emitted for connections
         read while starting up, because NetworkManager's D-Bus service is only
         available after all connections have been read, and to prevent spamming
         listeners with too many signals at one time. To retrieve the initial
         connection list, call the ListConnections() method once, and then listen
         for individual Settings.NewConnection and Settings.Connection.Deleted
         signals for further updates.
     -->
     <signal name="NewConnection">
       <arg name="connection" type="o"/>
     </signal>
 
     <!--
         ConnectionRemoved:
         @connection: Object path of the removed connection.
 
         Emitted when a connection is no longer available. This happens when the
         connection is deleted or if it is no longer accessible by any of the
         system's logged-in users. After receipt of this signal, the connection no
         longer exists and cannot be used. Also see the Settings.Connection.Removed
         signal.
     -->
     <signal name="ConnectionRemoved">
       <arg name="connection" type="o"/>
     </signal>
   </interface>
 </node>