import { EventData, EventListener, EventName, EventParams } from './events';

export declare class EventEmitter {
    private listeners;
    private globalListeners;
    private sessionId;
    private userId?;
    constructor();
    on<T extends EventName>(eventName: T, listener: EventListener<T>): () => void;
    onAll(listener: (eventName: EventName, eventData: EventData<EventName>) => void | Promise<void>): () => void;
    emit<T extends EventName>(eventName: T, eventData: EventParams<T>): Promise<void>;
    setUserId(userId: string): void;
    resetSession(): void;
    removeAllListeners(): void;
    private generateSessionId;
}