type ProvisionOptions = {
    fetchImpl?: typeof fetch;
    routerUrl?: string;
    resolveAccessToken?: () => Promise<string | null>;
    deviceName?: string;
};
export declare class TunnelRegistrationProvisionError extends Error {
    readonly code: string;
    readonly status: number;
    constructor(message: string, code: string, status: number);
}
/** Exchange a narrowly scoped XOPC OAuth grant for a tunnel registration key. */
export declare function provisionTunnelRegistrationKey(options?: ProvisionOptions): Promise<string>;
export {};