import { ApolloConfig } from '../../../components/ConfigProvider';
import { CreateClientOpts } from '../../apollo';
export type PersistedQueries = ApolloConfig['persistedQueries'];
export type PersistedQuery = ApolloConfig['persistedQueries'][0];
export type ChannelHeaders = {
    currency: string;
    channelid: number;
    culture: string;
    country: string;
    name: string;
} | {};
export declare class PersistedClient {
    private intervalQueries;
    private opts;
    constructor(opts: CreateClientOpts & {
        headers?: ChannelHeaders;
    });
    private watch;
    private getPendingResponse;
    private combineCaches;
    extractCache(): Promise<any>;
}