/**
 * Stripe helpers — REST API via fetch (no SDK dependency)
 *
 * Used by both api/mcp.ts (HTTP) and src/stdio.ts (stdio)
 * Requires STRIPE_SECRET_KEY environment variable
 */
/**
 * Convert a decimal price to Stripe minor units (cents / öre).
 *
 * Plain `price * 100` produces floating-point garbage (`19.99 * 100 ===
 * 1998.9999999999998`), which Stripe rejects as a non-integer amount and
 * which would silently over/undercharge by 1 unit for any price that
 * doesn't round cleanly. Always go through this helper. (#69)
 *
 * Throws on NaN, Infinity, or negative input — those indicate a logic bug
 * upstream that we never want to forward to Stripe.
 */
export declare function toStripeMinorUnits(price: number): number;
/**
 * Validates a property domain before embedding it in Stripe redirect URLs.
 *
 * Accepts only bare hostnames (e.g. "villaaakerlyckan.se") — no scheme,
 * no path, no port, no credentials. Returns the fallback domain when the
 * value is absent or fails validation so callers always get a safe URL.
 *
 * Attack prevented: a malicious or compromised `properties.domain` value
 * such as "evil.com/x?foo=" or "evil.com@legit.se" would otherwise redirect
 * paying guests to an attacker-controlled page after Stripe checkout, leaking
 * the session_id and enabling booking impersonation.
 */
export declare function sanitizeDomain(domain: string | null | undefined): string;
export declare function getStripeKey(): string;
export declare function createCheckoutSession(params: {
    amount: number;
    currency: string;
    propertyName: string;
    checkIn: string;
    checkOut: string;
    guests: number;
    guestEmail: string;
    propertyId: string;
    bookingId: string;
    domain: string;
    hostStripeAccountId?: string | null;
    hostOnboardingComplete?: boolean | null;
}): Promise<{
    id: string;
    url: string;
    payment_intent: string | null;
}>;
export declare function retrievePaymentIntent(paymentIntentId: string): Promise<{
    id: string;
    client_secret: string;
    status: string;
}>;
export declare function createRefund(paymentIntentId: string, amount: number): Promise<{
    id: string;
    amount: number;
    status: string;
}>;
export declare function createPaymentIntent(params: {
    amount: number;
    currency: string;
    captureMethod: string;
    metadata: Record<string, string>;
    hostStripeAccountId?: string | null;
    hostOnboardingComplete?: boolean | null;
}): Promise<{
    id: string;
    client_secret: string;
    status: string;
}>;