dbus_bindings/supplicant-process.xml

<?xml version="1.0"?>
<!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="fi.w1.wpa_supplicant1">
    <method name="CreateInterface">
      <arg name="args" type="a{sv}" direction="in"/>
      <arg name="path" type="o" direction="out"/>
    </method>
    <method name="RemoveInterface">
      <arg name="path" type="o" direction="in"/>
    </method>
    <method name="GetInterface">
      <arg name="ifname" type="s" direction="in"/>
      <arg name="path" type="o" direction="out"/>
    </method>
    <signal name="InterfaceAdded">
      <arg name="path" type="o"/>
      <arg name="properties" type="a{sv}"/>
    </signal>
    <signal name="InterfaceRemoved">
      <arg name="path" type="o"/>
    </signal>
    <signal name="PropertiesChanged">
      <arg name="properties" type="a{sv}"/>
    </signal>
    <property name="DebugLevel" type="s" access="readwrite"/>
    <property name="DebugTimestamp" type="b" access="readwrite"/>
    <property name="DebugShowKeys" type="b" access="readwrite"/>
    <property name="Interfaces" type="ao" access="read"/>
    <property name="EapMethods" type="as" access="read"/>
  </interface>
</node>