import type { ConnectAttempt, ConnectTransport } from "./types.js";
/** Inject navigation so hosts own routing and this package needs no DOM globals. */
export type ConnectNavigation = {
    openPopup(url: string): {
        close(): void;
        readonly closed?: boolean | undefined;
    } | null;
    redirect(url: string): void;
};
export declare class ConnectPopupClosedError extends Error {
    constructor();
}
/** Invoke directly from a user gesture for popup mode. Persist the opaque
 * attempt ID in host-owned state before redirect mode, then recover/poll on
 * return. Neither URL parameters nor popup messages prove completion. */
export declare function authorizeConnectAttempt(transport: Pick<ConnectTransport, "get">, attempt: ConnectAttempt, navigation: ConnectNavigation, options: {
    mode: "popup" | "redirect";
    signal?: AbortSignal;
    timeoutMs?: number;
}): Promise<ConnectAttempt | null>;