import { tl } from '../../../tl/index.js';
import { ITelegramClient } from '../../client.types.js';
import { InputPeerLike, Photo } from '../../types/index.js';
/**
 * Get a single profile picture of a user by its ID
 *
 * @param userId  User ID, username, phone number, `"me"` or `"self"`
 * @param photoId  ID of the photo to fetch
 * @param params
 */
export declare function getProfilePhoto(client: ITelegramClient, userId: InputPeerLike, photoId: tl.Long): Promise<Photo | null>;