dbus

<?xml version="1.0" encoding="UTF-8"?>
<!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.freedesktop.DBus.Introspectable">
      <method name="Introspect">
         <arg name="xml" type="s" direction="out" />
      </method>
   </interface>
   <interface name="org.bluez.MediaTransport1">
      <method name="Acquire">
         <arg name="fd" type="h" direction="out" />
         <arg name="mtu_r" type="q" direction="out" />
         <arg name="mtu_w" type="q" direction="out" />
      </method>
      <method name="TryAcquire">
         <arg name="fd" type="h" direction="out" />
         <arg name="mtu_r" type="q" direction="out" />
         <arg name="mtu_w" type="q" direction="out" />
      </method>
      <method name="Release" />
      <property name="Device" type="o" access="read" />
      <property name="UUID" type="s" access="read" />
      <property name="Codec" type="y" access="read" />
      <property name="Configuration" type="ay" access="read" />
      <property name="State" type="s" access="read" />
      <property name="Delay" type="q" access="read" />
      <property name="Volume" type="q" access="readwrite" />
   </interface>
   <interface name="org.freedesktop.DBus.Properties">
      <method name="Get">
         <arg name="interface" type="s" direction="in" />
         <arg name="name" type="s" direction="in" />
         <arg name="value" type="v" direction="out" />
      </method>
      <method name="Set">
         <arg name="interface" type="s" direction="in" />
         <arg name="name" type="s" direction="in" />
         <arg name="value" type="v" direction="in" />
      </method>
      <method name="GetAll">
         <arg name="interface" type="s" direction="in" />
         <arg name="properties" type="a{sv}" direction="out" />
      </method>
      <signal name="PropertiesChanged">
         <arg name="interface" type="s" />
         <arg name="changed_properties" type="a{sv}" />
         <arg name="invalidated_properties" type="as" />
      </signal>
   </interface>
</node>