import { ControlMessage } from "../models/in-app-messages/control-message";
import { InAppMessage } from "../models/in-app-messages/in-app-message";
/**
 * Logs that the user saw the given in-app message. This is performed automatically when you use [[`showInAppMessage`]],
 * and should only be called if you're bypassing that method and manually displaying the message in your own code.
 *
 * @param inAppMessage - The in-app message that was shown to the user.
 *
 * @returns Resolves to a boolean that indicates whether the event was successfully enqueued. Resolves to undefined
 *   if the SDK is not initialized.
 */
export declare function logInAppMessageImpression(inAppMessage: InAppMessage | ControlMessage): Promise<boolean | undefined>;