import { type InviteRow, type UserRole } from './accounts-store.js';
export declare function runWithAccountUser<T>(userId: string, fn: () => T): T;
export declare function currentAccountUserId(): string | undefined;
export interface PublicUser {
    id: string;
    username: string;
    displayName: string;
    role: UserRole;
    createdAt: number;
    disabled: boolean;
}
export interface CreatedSession {
    raw: string;
    expiresAt: number;
    user: PublicUser;
}
export interface CreatedInvite {
    id: string;
    raw: string;
    usesLeft: number;
    expiresAt: number | null;
    monthlyLimit: number | null;
    createdAt: number;
}
export declare function normalizeUsername(raw: string): string;
export declare function validateUsername(raw: string): string | null;
export declare function validatePassword(raw: string): string | null;
export declare function hasAnyUser(): boolean;
/** Single enabled account — typical upgraded single-operator box. */
export declare function getSoleEnabledUser(): PublicUser | null;
export declare function countUsers(): number;
export declare function getUserById(id: string): PublicUser | null;
export declare function getUserByUsername(username: string): PublicUser | null;
export declare function listUsers(): PublicUser[];
export declare function registerUser(input: {
    username: string;
    password: string;
    inviteRaw?: string;
}): {
    user: PublicUser;
    session: CreatedSession;
};
export declare function loginUser(input: {
    username: string;
    password: string;
}): CreatedSession;
export declare function verifyLoginSession(raw: string): PublicUser | null;
export declare function revokeLoginSession(raw: string): boolean;
export declare function setUserDisabled(userId: string, disabled: boolean): PublicUser | null;
export declare function setUserRole(userId: string, role: UserRole): PublicUser | null;
export declare function generateInviteRaw(): string;
export declare function normalizeInviteRaw(raw: string): string;
export declare function createInvite(opts: {
    createdBy: string;
    uses?: number;
    expiresInDays?: number;
    monthlyLimit?: number;
}): CreatedInvite;
export declare function listInvites(): Array<Omit<InviteRow, 'hash'>>;
export declare function revokeInvite(id: string): boolean;
export declare function peekInviteValid(raw: string): boolean;
export declare function monthStartMs(at: number): number;
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