<?xml version="1.0" encoding="UTF-8"?>
<interface>
  <requires lib="gtk" version="4.0"/>
  <requires lib="libadwaita" version="1.0"/>
  <object class="GtkWindow" id="widget">
    <property name="title">Window</property>
    <property name="default-width">400</property>
    <property name="default-height">100</property>
    <property name="titlebar">
      <object class="GtkHeaderBar">
        <property name="title-widget">
          <object class="AdwWindowTitle"/>
        </property>
        <style>
          <class name="flat"/>
        </style>
      </object>
    </property>
  </object>
</interface>
