import { ChatUnion, ErrorUnion } from '../outputs';
/**
 * Creates a new secret chat. Returns the newly created chat
 * @param {Object} params
 * @param {number} [params.userId] - Identifier of the target user
 * @param {Object} state
 * @returns {ChatUnion | ErrorUnion}
 */
export declare type CreateNewSecretChatMethod = <ResponseT = ChatUnion>(params: CreateNewSecretChatParams, state?: Record<string, any>) => Promise<ResponseT | ErrorUnion>;
export interface CreateNewSecretChatParams {
    /** Identifier of the target user */
    userId?: number;
}