export interface Event {
    type: string;
    [key: string]: unknown;
}
export type EventListener = (event: Event) => void;
/** Mixin-compatible event system with addEventListener/removeEventListener/dispatchEvent. */
export declare class EventDispatcher {
    #private;
    addEventListener(type: string, listener: EventListener): this;
    hasEventListener(type: string, listener: EventListener): boolean;
    removeEventListener(type: string, listener: EventListener): this;
    dispatchEvent(event: Event): void;
}
//# sourceMappingURL=EventDispatcher.d.ts.map