export declare type OpenIDConfiguration = {
    client_id: string;
    issuer: string;
    jwks_uri: string;
    authorization_endpoint: string;
    token_endpoint: string;
    userinfo_endpoint: string;
    end_session_endpoint: string;
    response_types_supported: string[];
    response_modes_supported: string[];
    subject_types_supported: string[];
    acr_values_supported: string[];
    id_token_signing_alg_values_supported: string[];
    pushed_authorization_request_endpoint?: string;
};
export declare class Cache<T> {
    storage: Storage;
    lifetimeMs: number;
    constructor(storage: Storage, lifetimeMs: number);
    add(key: string, entry: T): void;
    get(key: string): T | null;
}
export declare class OpenIDConfigurationManager {
    authority: string;
    clientID: string;
    cache: Cache<OpenIDConfiguration> | undefined;
    private _fetch;
    constructor(authority: string, clientID: string, options?: {
        cacheStorage?: Storage;
        fetch?: (input: RequestInfo | URL, init?: RequestInit) => Promise<Response>;
    });
    fetch(): Promise<OpenIDConfiguration>;
}