import { ITelegramClient } from '../../client.types.js';
import { InputPeerLike, InputText, User } from '../../types/index.js';
/**
 * Add an existing Telegram user as a contact
 */
export declare function addContact(client: ITelegramClient, params: {
    /** User ID, username or phone number */
    userId: InputPeerLike;
    /**
     * First name of the contact
     */
    firstName: string;
    /**
     * Last name of the contact
     */
    lastName?: string;
    /**
     * Phone number of the contact, if available
     */
    phone?: string;
    /**
     * Whether to share your own phone number
     * with the newly created contact
     *
     * @default false
     */
    sharePhone?: boolean;
    /**
     * Note to the contact
     */
    note?: InputText;
}): Promise<User>;