import { ErrorUnion, OkUnion } from '../outputs';
/**
 * Changes the chat title. Supported only for basic groups, supergroups and channels.
 * Requires administrator rights in basic groups and the appropriate administrator rights
 * in supergroups and channels. The title will not be changed until the request to the
 * server has been completed
 * @param {Object} params
 * @param {number} [params.chatId] - Chat identifier
 * @param {string} [params.title] - New title of the chat; 1-128 characters
 * @param {Object} state
 * @returns {OkUnion | ErrorUnion}
 */
export declare type SetChatTitleMethod = <ResponseT = OkUnion>(params: SetChatTitleParams, state?: Record<string, any>) => Promise<ResponseT | ErrorUnion>;
export interface SetChatTitleParams {
    /** Chat identifier */
    chatId?: number;
    /** New title of the chat; 1-128 characters */
    title?: string;
}