import QtQuick
import QtQuick.Controls

ApplicationWindow {
    id: root
    visible: true
    TapHandler {
        acceptedButtons: Qt.LeftButton | Qt.RightButton
        onSingleTapped: (eventPoint, button) => {
            console.log("Single tap at", eventPoint, "with button", button)
        }
        onTapped: console.log("tapped")
    }
} 

$ ninja all_qmllint

Warning: /home/wayn/Qt/bugheaven/qmlsingleton/Main.qml:29:9: Type QEventPoint of parameter called eventPoint in signal called singleTapped required by the compilation of onSingleTapped cannot b
e used.  [signal-handler-parameters]
        onSingleTapped: (eventPoint, button) => {
        ^^^^^^^^^^^^^^
Warning: /home/wayn/Qt/bugheaven/qmlsingleton/Main.qml:32:9: Type QEventPoint of parameter called eventPoint in signal called tapped required by the compilation of onTapped cannot be used.  [signal-handler-parameters]
        onTapped: console.log("tapped")
        ^^^^^^^^