Interface StandardEventManager

interface StandardEventManager {
    addEventListener(
        type: string,
        listener: null | EventListener | EventListenerObject,
        options?: boolean | AddEventListenerOptions,
    ): void;
    removeEventListener(
        type: string,
        listener: null | EventListener | EventListenerObject,
        options?: boolean | EventListenerOptions,
    ): void;
    addEventListenerWithOptions(
        type: string,
        listener: null | EventListener | EventListenerObject,
        options: StandardEventOptions,
    ): () => void;
    dispatchEvent(event: Event): boolean;
    dispatchCustomEvent<T = any>(
        type: string,
        detail?: T,
        options?: CustomEventInit<T>,
    ): boolean;
    dispatchBuiltInEvent(type: string, options?: EventInit): boolean;
    hasEventListener(type: string): boolean;
    getListenerCount(type: string): number;
}