function pd(event) {
    const retv = privateData.get(event);
    console.assert(
        retv != null,
        "'this' is expected an Event object, but got",
        event
    );
    return retv
}
function pd(event) {
    const retv = privateData.get(event);
    console.assert(
        retv != null,
        "'this' is expected an Event object, but got",
        event
    );
    return retv
}
function pd ( event ) { const retv = privateData . get ( event ) ; console . assert ( retv != null , "'this' is expected an Event object, but got" , event ) ; return retv }
Get private data.
@param {Event} event The event object to get private data.
@returns {PrivateData} The private data of the event.
@private
Get private data .