import QtQuick
import QtQuick.Controls

Window {
    width: 1500
    height: 800
    visible: true
    title: qsTr("Hello World")
}

Warning: Main.qml:2:1: Warnings occurred while importing module "QtQuick.Controls": [import]
import QtQuick.Controls
^^^^^^
---
Warning: QtQuick.Controls uses optional imports which are not supported. Some types might not be found. [import]
---