Source/WebCore/accessibility/atspi/xml/Registry.xml

<?xml version="1.0" encoding="UTF-8"?>
<node name="/node">
<interface name="org.a11y.atspi.Registry">

  <method name="RegisterEvent">
    <arg direction="in" name="event" type="s">
    </arg>
  </method>

  <method name="DeregisterEvent">
    <arg direction="in" name="event" type="s">
    </arg>
  </method>

  <method name="GetRegisteredEvents">
    <arg direction="out" name="events" type="a(ss)"/>
    <annotation name="org.qtproject.QtDBus.QtTypeName.Out0" value="QSpiEventListenerArray"/>
  </method>

  <signal name="EventListenerRegistered">
    <arg direction="out" name="bus" type="s"/>
    <arg direction="out" name="path" type="s"/>
  </signal>

  <signal name="EventListenerDeregistered">
    <arg direction="out" name="bus" type="s"/>
    <arg direction="out" name="path" type="s"/>
  </signal>
</interface>
</node>