import { PollingBase, PollingService, RestOptions, FeaturesFunction, FeatureStateHolder, FeatureHubConfig, ClientContext } from 'featurehub-javascript-core-sdk'; export * from 'featurehub-javascript-core-sdk'; declare class NodejsPollingService extends PollingBase implements PollingService { constructor(options: RestOptions, url: string, frequency: number, _callback: FeaturesFunction); } declare class FeatureHub { static feature(key: string): FeatureStateHolder | undefined; private static cfg; static set(config?: FeatureHubConfig, context?: ClientContext): void; static get context(): ClientContext | undefined; static get config(): FeatureHubConfig | undefined; static close(): void; } export { FeatureHub, NodejsPollingService }; declare module 'featurehub-javascript-node-sdk'