/**
 * Create event emitter.
 *
 * ```js
 * import { createNanoEvents } from 'nanoevents'
 *
 * class Ticker {
 * constructor() {
 * this.emitter = createNanoEvents()
 * }
 * on(...args) {
 * return this.emitter.on(...args)
 * }
 * tick() {
 * this.emitter.emit('tick')
 * }
 * }
 * ```
 * @returns Event emitter.
 */
export declare function createNanoEvents<Events extends EventsMap = DefaultEvents>(): Emitter<Events>;
interface EventsMap {
    [event: string]: any;
}
interface DefaultEvents extends EventsMap {
    [event: string]: (...args: any) => void;
}
export type Unsubscribe = () => void;
export interface Emitter<Events extends EventsMap = DefaultEvents> {
    /**
     * Calls each of the listeners registered for a given event.
     *
     * ```js
     * ee.emit('tick', tickType, tickDuration)
     * ```
     * @param event The event name.
     * @param args The arguments for listeners.
     */
    emit<K extends keyof Events>(this: this, event: K, ...args: Parameters<Events[K]>): void;
    /**
     * Event names in keys and arrays with listeners in values.
     *
     * ```js
     * emitter1.events = emitter2.events
     * emitter2.events = { }
     * ```
     */
    events: Partial<{
        [E in keyof Events]: Events[E][];
    }>;
    /**
     * Add a listener for a given event.
     *
     * ```js
     * const unbind = ee.on('tick', (tickType, tickDuration) => {
     * count += 1
     * })
     *
     * disable () {
     * unbind()
     * }
     * ```
     * @param event The event name.
     * @param cb The listener function.
     * @returns Unbind listener from event.
     */
    on<K extends keyof Events>(this: this, event: K, cb: Events[K]): Unsubscribe;
}
export {};