import { User } from './model.ts';
import { NatsConnection } from 'nats.ws';
/**
 * Sets a new user object or `null` if the user is no longer logged in.
 *
 * @param user - the user object or `null`
 */
export declare function setUser(user: User | null): void;
/**
 * Returns the user object if the user is currently logged in, else returns `null` if no user is currently logged in.
 */
export declare function getUser(): User | null;
export declare function setNatsConnection(nc: NatsConnection | null): void;
export declare function getNatsConnection(): NatsConnection | null;