import { ErrorUnion, OkUnion } from '../outputs';
/**
 * Closes a secret chat, effectively transfering its state to secretChatStateClosed
 * @param {Object} params
 * @param {number} [params.secretChatId] - Secret chat identifier
 * @param {Object} state
 * @returns {OkUnion | ErrorUnion}
 */
export declare type CloseSecretChatMethod = <ResponseT = OkUnion>(params: CloseSecretChatParams, state?: Record<string, any>) => Promise<ResponseT | ErrorUnion>;
export interface CloseSecretChatParams {
    /** Secret chat identifier */
    secretChatId?: number;
}