import { ErrorUnion, SupergroupUnion } from '../outputs';
/**
 * Returns information about a supergroup or channel by its identifier. This is an offline
 * request if the current user is not a bot
 * @param {Object} params
 * @param {number} [params.supergroupId] - Supergroup or channel identifier
 * @param {Object} state
 * @returns {SupergroupUnion | ErrorUnion}
 */
export declare type GetSupergroupMethod = <ResponseT = SupergroupUnion>(params: GetSupergroupParams, state?: Record<string, any>) => Promise<ResponseT | ErrorUnion>;
export interface GetSupergroupParams {
    /** Supergroup or channel identifier */
    supergroupId?: number;
}