import { ITelegramClient } from '../../client.types.js';
import { InputMessageId } from '../../types/index.js';
/**
 * Unpin a message in a group, supergroup, channel or PM.
 *
 * For supergroups/channels, you must have appropriate permissions,
 * either as an admin, or as default permissions
 *
 * @param chatId  Chat ID, username, phone number, `"self"` or `"me"`
 * @param messageId  Message ID
 */
export declare function unpinMessage(client: ITelegramClient, params: InputMessageId): Promise<void>;