import { tl } from '../../../tl/index.js';
import { ITelegramClient } from '../../client.types.js';
import { ForumTopic, InputPeerLike, Message } from '../../types/index.js';
/**
 * Modify a topic in a forum
 *
 * Only admins with `manageTopics` permission can do this.
 *
 * @param chatId  Chat ID or username
 * @param topicId  ID of the topic (i.e. its top message ID)
 * @returns  Service message about the modification
 */
export declare function editForumTopic(client: ITelegramClient, params: {
    /** Chat ID or username */
    chatId: InputPeerLike;
    /** ID of the topic (i.e. its top message ID) */
    topicId: number | ForumTopic;
    /**
     * New topic title
     */
    title?: string;
    /**
     * New icon of the topic.
     *
     * Can be a custom emoji ID, or `null` to remove the icon
     * and use static color instead
     */
    icon?: tl.Long | null;
    /**
     * Whether to dispatch the returned service message (if any)
     * to the client's update handler.
     */
    shouldDispatch?: true;
    /** Whether to (un)close the topic */
    closed?: boolean;
    /** Whether to (un)hide the topic */
    hidden?: boolean;
}): Promise<Message>;