first proposal for dbus plasma d

<!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN" "http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd"><node>  <interface name="org.kde.Plasma.DataEngineManager">    <property name="knownEngines" type="as" access="read"/>    <signal name="newSource">      <arg name="engine" type="s" direction="out"/>      <arg name="source" type="s" direction="out"/>    </signal>    <signal name="sourceRemoved">      <arg name="engine" type="s" direction="out"/>      <arg name="source" type="s" direction="out"/>    </signal>    <signal name="updated">      <arg name="engine" type="s" direction="out"/>      <arg name="source" type="s" direction="out"/>      <arg name="data" type="a{sv}" direction="out"/>      <annotation name="com.trolltech.QtDBus.QtTypeName.Out2" value="QVariantMap"/>    </signal>    <method name="loadDataEngine">      <arg type="b" direction="out"/>      <arg name="name" type="s" direction="in"/>    </method>    <method name="unloadDataEngine">      <arg name="name" type="s" direction="in"/>    </method>    <method name="sources">      <arg type="as" direction="out"/>      <arg name="engine" type="s" direction="in"/>    </method>    <method name="connectSource">      <arg name="engine" type="s" direction="in"/>      <arg name="source" type="s" direction="in"/>    </method>    <method name="disconnectSource">      <arg name="engine" type="s" direction="in"/>      <arg name="source" type="s" direction="in"/>    </method>    <method name="connectAllSources">      <arg name="engine" type="s" direction="in"/>    </method>    <method name="data">      <arg type="a{sv}" direction="out"/>      <annotation name="com.trolltech.QtDBus.QtTypeName.Out0" value="QMap&lt;QString,QVariant&gt;"/>      <arg name="engine" type="s" direction="in"/>      <arg name="source" type="s" direction="in"/>    </method>  </interface></node>