import type { User, Role } from './auth-types.js';
export interface UserStoreOptions {
    idFactory?: () => string;
    hashPassword?: (password: string) => string;
    verifyPassword?: (password: string, hash: string) => boolean;
}
export declare class UserStore {
    private readonly users;
    private readonly usernameIndex;
    private readonly idFactory;
    private readonly hashPassword;
    private readonly verifyPassword;
    constructor(options?: UserStoreOptions);
    createUser(username: string, password: string, role: Role, createdBy: string): User;
    authenticate(username: string, password: string): User | null;
    changePassword(userId: string, oldPassword: string, newPassword: string): boolean;
    updateRole(userId: string, role: Role): boolean;
    disableUser(userId: string): boolean;
    getUser(userId: string): User | null;
    getUserByUsername(username: string): User | null;
    listUsers(): User[];
}
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