import { ITelegramClient } from '../../client.types.js';
import { InputMessageId, Message } from '../../types/index.js';
/**
 * Pin 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
 *
 * @returns  Service message about pinned message, if one was generated.
 */
export declare function pinMessage(client: ITelegramClient, params: InputMessageId & {
    /** Whether to send a notification (only for legacy groups and supergroups) */
    notify?: boolean;
    /** Whether to pin for both sides (only for private chats) */
    bothSides?: boolean;
    /**
     * Whether to dispatch the returned service message (if any)
     * to the client's update handler.
     */
    shouldDispatch?: true;
}): Promise<Message | null>;