import { Channel } from '@jetshop/core/types';
import { CreateClientOpts } from '../apollo';
/**
 * Persisted Apollo Client that's shared across all requests on the server
 */
export declare class PersistedApolloClient {
    /**
     * **⚠️ WARNING ⚠️**
     *
     * Use this client with care as it's cache will be shared amongst **all** requests
     * It's private in this class for us to be able to expose only specific queries
     */
    private channelsIntervalQuery;
    constructor({ createClientOpts, channelsPollInterval }: {
        createClientOpts: CreateClientOpts;
        channelsPollInterval?: number;
    });
    extractCache(): any;
    getChannels(): Promise<Channel[]>;
}