import { ApolloLink, NextLink, Operation } from '@apollo/client';
import { Func } from 'tn-typescript';
import { ExoTime } from '../../accessories/ExoTime.js';
export type Refresh = (props: RProps) => void;
type RProps = {
    onSuccess?: Func;
    onError?: Func;
    onFinally?: Func;
};
export declare class ExoApolloTokenRefresh extends ApolloLink {
    private $safetime;
    private $fetching;
    private $onRefresh;
    private $getAccessToken;
    private $refresh;
    private queue;
    safetime(time: ExoTime): this;
    getAccessToken(func: () => string): this;
    onRefresh(func?: Func): this;
    refresh(func: Refresh): this;
    request(operation: Operation, forward: NextLink): import("zen-observable-ts").Observable<import("@apollo/client").FetchResult<Record<string, any>, Record<string, any>, Record<string, any>>>;
    private isExpired;
}
export {};