import { PopupWindowAttributes } from "../request/PopupWindowAttributes.js";
/** Options for {@link runPopupRelay}. */
export type PopupRelayOptions = {
    /**
     * Sizing/positioning for the IdP child popup the relay page opens. Same
     * shape as `PopupRequest.popupWindowAttributes` (`popupSize` with width and
     * height, `popupPosition` with top and left). Defaults to a 520x640 window.
     */
    popupWindowAttributes?: PopupWindowAttributes;
    /**
     * How long (ms) to wait for the IdP child popup to deliver a response
     * before giving up. Defaults to 300000 (5 minutes).
     */
    timeoutMs?: number;
};
/**
 * Entry point for the top-level "popup-relay" page referenced by
 * `auth.popupRelayUri`. Call this from the relay page (which MSAL opens as a
 * top-level popup from inside an embedded, cross-origin iframe). It:
 *
 *   1. Reads the IdP navigation MSAL passed in this page's hash (a GET URL, or a
 *      POST form for the form_post / EAR response modes), then scrubs the hash.
 *   2. Opens the IdP child popup and performs that navigation (the relay page
 *      stays put, so its `window.opener` link back to the embedded frame
 *      survives COOP).
 *   3. Waits for the child's redirect URI page (which must run the redirect
 *      bridge, `broadcastResponseToMainFrame`) to broadcast the raw auth
 *      response over a same-origin `BroadcastChannel`.
 *   4. Relays that raw response back to the embedded frame via
 *      `opener.postMessage`, posting only to its own (same) origin, then closes.
 *
 * The embedded frame keeps the PKCE verifier (and EAR private key) and exchanges
 * the relayed response itself — no token, verifier, or private key ever crosses
 * a window boundary.
 *
 * Note: the child popup is opened when this function runs, so call it from a
 * user gesture (e.g. a "Continue" button click) to avoid popup blockers.
 *
 * @param options - {@link PopupRelayOptions}
 */
export declare function runPopupRelay(options?: PopupRelayOptions): void;
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