Warning, /frameworks/kirigami/tests/HeaderFooterTest.qml is written in an unsupported language. File is not indexed.

 /*
  *  SPDX-FileCopyrightText: 2023 Marco Martin <mart@kde.org>
  *
  *  SPDX-License-Identifier: LGPL-2.0-or-later
  */
 
 import QtQuick
 import QtQuick.Controls
 import QtQuick.Layouts
 
 import org.kde.kirigami as Kirigami
 
 ColumnLayout {
     width: 600
     height: 600
 
     Text {
         text: `Implicit width: ${hfLayout.implicitWidth}\nImplicit height: ${hfLayout.implicitHeight}`
     }
     Kirigami.HeaderFooterLayout {
         id: hfLayout
         Layout.fillWidth: true
         Layout.fillHeight: true
         header: ToolBar {
             contentItem: Rectangle {
                 color: "red"
                 implicitWidth: 20
                 implicitHeight: 20
             }
         }
         contentItem: Rectangle {
             color: "lightgreen"
             implicitWidth: 300
             implicitHeight: 50
         }
         footer: ToolBar {
             contentItem: Rectangle {
                 color: "blue"
                 height: 30
             }
         }
     }
     Rectangle {
         color: "yellow"
         Layout.preferredHeight: 40
         Layout.fillWidth: true
         Layout.fillHeight: true
     }
 }