overwrite on<Property>Changed:

i just wanted to make sure this is a feature and not a bug. (could not find it explicitly mentioned in the docs, but i guess it's implied that on<Property>Changed: is the same thing as using connect()?)

the Bar.qml extends Foo.qml and would like to overwrite onAChanged:

import QtQuick
Item {
	property int a
	property int b
	onAChanged: console.log("Foo.a")
	onBChanged: bChange()
	function bChange () {
		console.log("Foo.b")
	}
}

import QtQuick
Foo {
	onAChanged: console.log("Bar.a")
	function bChange () {
		console.log("Bar.b")
	}
	Component.onCompleted: {
		a = 1
		b = 2
	}
}

but instead the onAChanged from Bar.qml is added:

$ qml Bar.qml
qml: Foo.a
qml: Bar.a
qml: Bar.b

i was hoping for output like this:

$ qml Bar.qml
qml: Bar.a
qml: Bar.b

if that is a feature, i guess the easiest way to overwrite on<Property>Changed is the way done for b?