static isWheelUpEvent(wheelEvent) {
        if (!this.isWheelEvent(wheelEvent) || this.isUndefinedOrNullOrEmpty(wheelEvent.deltaY)) {
            this.throwError(`The event passed as a parameter is not a valid wheel event, '${wheelEvent.type}' given.`);
        }

        return wheelEvent.deltaY < 0;
    }
Return `true` if the given event is a wheelup event

@param {WheelEvent} wheelEvent
@returns {boolean}