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