import { ErrorUnion, OkUnion } from '../outputs';
/**
 * Adds a new member to a chat. Members can't be added to private or secret chats. Members
 * will not be added until the chat state has been synchronized with the server
 * @param {Object} params
 * @param {number} [params.chatId] - Chat identifier
 * @param {number} [params.userId] - Identifier of the user
 * @param {number} [params.forwardLimit] - The number of earlier messages from the
 * chat to be forwarded to the new member; up to 100. Ignored for supergroups and channels
 * @param {Object} state
 * @returns {OkUnion | ErrorUnion}
 */
export declare type AddChatMemberMethod = <ResponseT = OkUnion>(params: AddChatMemberParams, state?: Record<string, any>) => Promise<ResponseT | ErrorUnion>;
export interface AddChatMemberParams {
    /** Chat identifier */
    chatId?: number;
    /** Identifier of the user */
    userId?: number;
    /**
     * The number of earlier messages from the chat to be forwarded to the new member; up
     * to 100. Ignored for supergroups and channels
     */
    forwardLimit?: number;
}