/**
 * Retrieves the window of an iframe identified by the given ID.
 *
 * @param {string} id - The ID of the iframe whose window is to be retrieved.
 * @returns {Window} The window of the iframe.
 * @throws Will throw an error if an element with the specified ID cannot be found.
 */
export declare function getIframeWindow(id: string): Window;
/**
 * Creates and embeds an iframe into the document. The iframe is configured according to the given options.
 * The iframe is either appended to a specified element (if `embeddable` is true and `embeddableId` is provided),
 * or it is prepended to the top of the document.
 *
 * @async
 * @param {object} options - Configuration options for the iframe.
 * @param {string} options.url - The source URL of the iframe.
 * @param {string} options.frameId - The ID to set on the iframe.
 * @param {boolean} options.isHidden - Whether the iframe should be hidden initially.
 * @param {boolean} [options.embeddable=false] - Whether the iframe should be appended to a specific element.
 * @param {string} [options.embeddableId] - The ID of the element to append the iframe to, if `embeddable` is true.
 * @param {string} [options.allow=''] - The `allow` attribute to set on the iframe.
 * @param {Partial<CSSStyleDeclaration>} [options.style={}] - Additional styles to apply to the iframe.
 * @returns {Promise<boolean>} A promise that resolves to true once the iframe has loaded.
 * @throws Will throw an error if an embeddable element with the specified ID cannot be found, or if the iframe loading times out.
 */
export declare const embedIframe: ({ url, frameId, isHidden, embeddable, embeddableId, style: embeddableStyle, allow, }: {
    url: string;
    frameId: string;
    isHidden: boolean;
    embeddable?: boolean | undefined;
    embeddableId?: string | undefined;
    style?: Partial<CSSStyleDeclaration> | undefined;
    allow?: string | undefined;
}) => Promise<unknown>;