import { ErrorUnion, OkUnion } from '../outputs';
/**
 * Adds current user as a new member to a chat. Private and secret chats can't be joined
 * using this method
 * @param {Object} params
 * @param {number} [params.chatId] - Chat identifier
 * @param {Object} state
 * @returns {OkUnion | ErrorUnion}
 */
export declare type JoinChatMethod = <ResponseT = OkUnion>(params: JoinChatParams, state?: Record<string, any>) => Promise<ResponseT | ErrorUnion>;
export interface JoinChatParams {
    /** Chat identifier */
    chatId?: number;
}