export declare const deleteQueryParameter: (windowLocation: string, name: string, value: string) => string;
export declare const getQueryParameter: (name: string) => string | undefined;
export declare const createCodeChallenge: (verifier: string) => Promise<{
    code_challenge: string;
    code_challenge_method: string | undefined;
}>;
export declare const createLoginUrl: (params: {
    authHost: string;
    clientId: string;
    noPrompt: boolean;
    rememberMe: boolean;
    scopes: string[];
    force_2fa: boolean;
    login_hint?: string;
    reauthenticate_mode?: number;
}) => Promise<{
    url: string;
    state: string;
    code_verifier: string;
}>;
export declare const getCrypto: () => Crypto;
export declare const createRandomString: (size: number) => string;
export declare function createInFlightDedupe<V>(): (factory: () => Promise<V>) => Promise<V>;