import { CbEvents } from '../constants';
import { SdkResult } from '../types';
declare type Cbfn = (data: SdkResult) => void;
declare class Emitter {
    private events;
    constructor();
    emit(event: CbEvents, data: SdkResult): this;
    on(event: CbEvents, fn: Cbfn): this;
    off(event: CbEvents, fn: Cbfn): this;
}
export default Emitter;