import type { InAppMessage } from "../models/in-app-messages/in-app-message";
import type { None } from "../types";
/**
 * Retrieves the in-app message that was most recently deferred for display with [[`deferInAppMessage`]].
 *
 * Note: Retrieving the deferred in-app message here will clear it from storage.
 *
 * @returns Resolves to the deferred in-app message if it exists, or returns null.
 * Returns undefined if the SDK has not been initialized.
 */
export declare function getDeferredInAppMessage(): Promise<InAppMessage | None>;