import { ListenerFn } from 'eventemitter3';
export default class EventsMixin {
    hasEvents: boolean;
    private events;
    on: (event: string | symbol, fn: ListenerFn, context?: any) => import("eventemitter3")<string | symbol>;
    once: (event: string | symbol, fn: ListenerFn, context?: any) => import("eventemitter3")<string | symbol>;
    emit: (event: string | symbol, ...args: any[]) => boolean;
    off: (event: string | symbol, fn?: ListenerFn | undefined, context?: any, once?: boolean | undefined) => import("eventemitter3")<string | symbol>;
    clear: (event?: string | undefined) => import("eventemitter3")<string | symbol>;
    listeners: (event: string | symbol) => ListenerFn[];
}