import { UserId } from '../value-objects/UserId.js';
import { Username } from '../value-objects/Username.js';
import { Role, RoleEnum } from '../value-objects/Role.js';
/**
 * User entity data for creation
 */
export interface UserData {
    id?: UserId;
    username: Username;
    passwordHash: string;
    role: Role;
    createdAt?: Date;
    updatedAt?: Date;
}
/**
 * User entity
 * Represents an authenticated user in the system
 */
export declare class User {
    private readonly _id;
    private readonly _username;
    private _passwordHash;
    private _role;
    private readonly _createdAt;
    private _updatedAt;
    private constructor();
    get id(): UserId;
    get username(): Username;
    get passwordHash(): string;
    get role(): Role;
    get createdAt(): Date;
    get updatedAt(): Date;
    get isAdmin(): boolean;
    get isViewer(): boolean;
    /**
     * Update the user's password hash
     */
    updatePasswordHash(newPasswordHash: string): void;
    /**
     * Update the user's role
     */
    updateRole(newRole: Role): void;
    /**
     * Create a new User entity
     */
    static create(data: UserData): User;
    /**
     * Create a User from raw data (e.g., from database)
     */
    static fromRaw(raw: {
        id: string;
        username: string;
        passwordHash: string;
        role: string;
        createdAt: Date | string;
        updatedAt: Date | string;
    }): User;
    /**
     * Create an admin user
     */
    static createAdmin(username: Username, passwordHash: string): User;
    /**
     * Create a viewer user
     */
    static createViewer(username: Username, passwordHash: string): User;
    /**
     * Convert to plain object for serialization
     */
    toJSON(): {
        id: string;
        username: string;
        role: RoleEnum;
        createdAt: string;
        updatedAt: string;
    };
}
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