import { ITelegramClient } from '../../client.types.js';
import { InputMessageId, TextWithEntities } from '../../types/index.js';
/**
 * Translate message text to a given language.
 *
 * Returns `null` if it could not translate the message.
 */
export declare function translateMessage(client: ITelegramClient, params: InputMessageId & {
    /** Target language (two-letter ISO 639-1 language code) */
    toLanguage: string;
}): Promise<TextWithEntities>;