import QtQuick 2.13
import QtQuick.Window 2.13
import QtQuick.Controls 2.13
import QtQuick.Layouts 1.13

Window {
  width: 620
  height: 380
  visible: true

  RowLayout {
    Loader {
      sourceComponent: first
      Layout.fillWidth: true
    }

    Loader {
      sourceComponent: the_same
      Layout.fillWidth: true
    }
  }

  Component {
    id: first
    Label { text: "first" }
  }

  Component {
    id: the_same
    Label { text: first.text }
  }
}