EventStreamProvider<WheelEvent> mouseWheelEvent = const _CustomEventStreamProvider<WheelEvent>(Element._determineMouseWheelEventType)

Static factory designed to expose mousewheel events to event handlers that are not necessarily instances of Element.

See EventStreamProvider for usage information.

Source

static const EventStreamProvider<WheelEvent> mouseWheelEvent =
    const _CustomEventStreamProvider<WheelEvent>(
        Element._determineMouseWheelEventType)