kde-workspace/libs/konq/favicons/org.kde.FavIcon.xml

<!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.FavIcon">
    <signal name="iconChanged">
      <arg name="url" type="s" direction="out"/>
      <arg name="iconName" type="s" direction="out"/>
    </signal>
    <method name="iconForUrl">
      <arg type="s" direction="out"/>
      <arg name="url" type="s" direction="in"/>
    </method>
    <method name="downloadUrlIcon">
      <arg name="url" type="s" direction="in"/>
    </method>
    <method name="forceDownloadUrlIcon">
      <arg name="url" type="s" direction="in"/>
    </method>
  </interface>
</node>