Source/WebCore/accessibility/atspi/xml/Cache.xml

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

  <method name="GetItems">
    <arg direction="out" name="nodes" type="a((so)(so)(so)iiassusau)"/>
    <annotation name="org.qtproject.QtDBus.QtTypeName.Out0" value="QSpiAccessibleCacheArray"/>
  </method>

  <signal name="AddAccessible">
    <arg direction="in" name="nodeAdded" type="((so)(so)(so)iiassusau)"/>
    <annotation name="org.qtproject.QtDBus.QtTypeName.In0" value="QSpiAccessibleCacheItem"/>
  </signal>

  <signal name="RemoveAccessible">
    <arg direction="in" name="nodeRemoved" type="(so)"/>
    <annotation name="org.qtproject.QtDBus.QtTypeName.In0" value="QSpiObjectReference"/>
  </signal>

</interface>
</node>