qt-everywhere-src-5.14.1/qtconnectivity/src/bluetooth/bluez/org.bluez.GattDescriptor1.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.bluez.GattDescriptor1">
        <method name="ReadValue">
            <arg name="options" type="a{sv}" direction="in"/>
            <annotation name="org.qtproject.QtDBus.QtTypeName.In0" value="QVariantMap"/>
            <arg name="value" type="ay" direction="out"/>
        </method>
        <method name="WriteValue">
            <arg name="value" type="ay" direction="in"/>
            <arg name="options" type="a{sv}" direction="in"/>
            <annotation name="org.qtproject.QtDBus.QtTypeName.In1" value="QVariantMap"/>
        </method>
        <property name="UUID" type="s" access="read"></property>
        <property name="Characteristic" type="o" access="read"></property>
        <property name="Value" type="ay" access="read"></property>
    </interface>
</node>