import { ErrorUnion, MessagesUnion } from '../outputs';
/**
 * Forwards previously sent messages. Returns the forwarded messages in the same order
 * as the message identifiers passed in message_ids. If a message can't be forwarded,
 * null will be returned instead of the message
 * @param {Object} params
 * @param {number} [params.chatId] - Identifier of the chat to which to forward messages
 * @param {number} [params.fromChatId] - Identifier of the chat from which to forward
 * messages
 * @param {number[]} [params.messageIds] - Identifiers of the messages to forward
 * @param {boolean} [params.disableNotification] - Pass true to disable notification
 * for the message, doesn't work if messages are forwarded to a secret chat
 * @param {boolean} [params.fromBackground] - Pass true if the message is sent from
 * the background
 * @param {boolean} [params.asAlbum] - True, if the messages should be grouped into
 * an album after forwarding. For this to work, no more than 10 messages may be forwarded,
 * and all of them must be photo or video messages
 * @param {Object} state
 * @returns {MessagesUnion | ErrorUnion}
 */
export declare type ForwardMessagesMethod = <ResponseT = MessagesUnion>(params: ForwardMessagesParams, state?: Record<string, any>) => Promise<ResponseT | ErrorUnion>;
export interface ForwardMessagesParams {
    /** Identifier of the chat to which to forward messages */
    chatId?: number;
    /** Identifier of the chat from which to forward messages */
    fromChatId?: number;
    /** Identifiers of the messages to forward */
    messageIds?: number[];
    /**
     * Pass true to disable notification for the message, doesn't work if messages are forwarded
     * to a secret chat
     */
    disableNotification?: boolean;
    /** Pass true if the message is sent from the background */
    fromBackground?: boolean;
    /**
     * True, if the messages should be grouped into an album after forwarding. For this
     * to work, no more than 10 messages may be forwarded, and all of them must be photo
     * or video messages
     */
    asAlbum?: boolean;
}