export type Plan = 'byok' | 'pro';
export type SubscriptionStatus = 'active' | 'trialing' | 'past_due' | 'canceled' | 'unpaid';
export interface StoredRefreshToken {
    tokenHash: string;
    expiresAt: string;
}
export interface StoredMagicToken {
    tokenHash: string;
    expiresAt: string;
}
export interface UserRecord {
    id: string;
    email: string;
    passwordHash: string;
    passwordSalt: string;
    plan: Plan;
    byokKeys: Record<string, string>;
    vaultPath: string;
    createdAt: string;
    refreshTokens: StoredRefreshToken[];
    magicTokens: StoredMagicToken[];
    stripeCustomerId?: string;
    stripeSubscriptionId?: string;
    subscriptionStatus?: SubscriptionStatus;
    currentPeriodEnd?: string;
}
export declare function createUser(email: string, passwordHash: string, passwordSalt: string, plan: Plan): Promise<UserRecord>;
export declare function findUserByEmail(email: string): Promise<UserRecord | null>;
export declare function findUserById(id: string): Promise<UserRecord | null>;
export declare function findUserByStripeCustomerId(customerId: string): Promise<UserRecord | null>;
export declare function updateUser(id: string, patch: Partial<UserRecord>): Promise<void>;
export declare function addRefreshToken(userId: string, rawToken: string, expiresAt: string): Promise<void>;
export declare function consumeRefreshToken(userId: string, rawToken: string): Promise<boolean>;
export declare function revokeAllRefreshTokens(userId: string): Promise<void>;
export declare function addMagicToken(userId: string, rawToken: string, expiresAt: string): Promise<void>;
export declare function consumeMagicToken(rawToken: string): Promise<UserRecord | null>;
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