import { EventEmitter } from 'node:events';
import { LDLogger } from '@launchdarkly/js-server-sdk-common';
declare const createCallbacks: (emitter: EventEmitter, logger?: LDLogger) => {
    onError: (err: Error) => void;
    onFailed: (err: Error) => void;
    onReady: () => void;
    onUpdate: () => void;
    hasEventListeners: () => boolean;
};
export default createCallbacks;
//# sourceMappingURL=createCallbacks.d.ts.map