import { ChatMemberUnion, ErrorUnion } from '../outputs';
/**
 * Returns information about a single member of a chat
 * @param {Object} params
 * @param {number} [params.chatId] - Chat identifier
 * @param {number} [params.userId] - User identifier
 * @param {Object} state
 * @returns {ChatMemberUnion | ErrorUnion}
 */
export declare type GetChatMemberMethod = <ResponseT = ChatMemberUnion>(params: GetChatMemberParams, state?: Record<string, any>) => Promise<ResponseT | ErrorUnion>;
export interface GetChatMemberParams {
    /** Chat identifier */
    chatId?: number;
    /** User identifier */
    userId?: number;
}