EmailEventHandlerWithAsyncData

class EmailEventHandlerWithAsyncData<Data, T extends string = string, InputEvent extends EventWithContext = EventWithContext, Event extends EventWithAsyncData<InputEvent, Data> = EventWithAsyncData<InputEvent, Data>> extends EmailEventHandler<T, Event> {    constructor(_loadDataFn: LoadDataFn<InputEvent, Data>, listener: EmailEventListener<T>, event: Type<InputEvent>)}