import { EEntity, EPermission } from './constants';
import type { ISecureItem, IUser } from './interfaces';
/**
 * Options of a logout action.
 */
export interface ILogoutOptions {
    /**
     * Logout message.
     */
    msg: string;
    /**
     * Redirect URL for the client to actually logout.
     */
    redirect?: string;
}
export declare class UserSession {
    static GLOBAL_EVENT_USER_LOGGED_IN: string;
    static GLOBAL_EVENT_USER_LOGGED_OUT: string;
    /**
     * Simply store the current user as variable instead of any browser storage
     */
    private loggedInUser;
    /**
     * resets the stored session data that will be automatically filled during login
     */
    reset: () => void;
    /**
     * whether the user is logged in
     * @returns {boolean}
     */
    isLoggedIn: () => boolean;
    /**
     * stores the given user information
     * @param user
     */
    login: (user: IUser) => void;
    /**
     * logs the current user out
     */
    logout: (options: ILogoutOptions) => void;
    /**
     * returns the current user or null
     * @returns {IUser | null}
     */
    currentUser: () => IUser | null;
    /**
     * returns the current user name else an anonymous user name
     */
    currentUserNameOrAnonymous: () => string;
    can: (item: ISecureItem, permission: EPermission, user?: IUser) => boolean;
    /**
     * check whether the given user can read the given item
     * @param item the item to check
     * @param user the user by default the current user
     * @returns {boolean}
     */
    canRead: (item: ISecureItem, user?: IUser) => boolean;
    /**
     * check whether the given user can write the given item
     * @param item the item to check
     * @param user the user by default the current user
     * @returns {boolean}
     */
    canWrite: (item: ISecureItem, user?: IUser) => boolean;
    /**
     * check whether the given user can execute the given item
     * @param item the item to check
     * @param user the user by default the current user
     * @returns {boolean}
     */
    canExecute: (item: ISecureItem, user?: IUser) => boolean;
    hasPermission(item: ISecureItem, entity?: EEntity, permission?: EPermission): boolean;
    private isEqual;
    private includes;
    /**
     * @deprecated Use `userSession` instead.
     */
    static getInstance(): UserSession;
}
export declare const userSession: UserSession;
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