export type CardDetails = {
    number: string;
    expMonth: number;
    expYear: number;
    cvc: string;
};
/**
 * Exchanges raw card details for a Stripe payment method ID, talking to Stripe
 * directly with the publishable key.
 *
 * The card deliberately does not travel through the Cargo API: this request
 * goes from the caller's machine straight to Stripe, and only the resulting
 * `pm_...` handle is ever sent to us. That is the same path Stripe.js takes in
 * a browser, and it is what keeps card data out of our servers and logs.
 */
export declare function tokenizeCard(publishableKey: string, card: CardDetails): Promise<string>;
/**
 * Parses `MM/YYYY` (also accepting `MM/YY` and `M/YYYY`), the form printed on
 * the card itself.
 */
export declare function parseCardExpiry(value: string): {
    expMonth: number;
    expYear: number;
};
/**
 * Reads `{ number, expMonth, expYear, cvc }` from stdin. Preferred over flags
 * for the card number, which would otherwise sit in shell history and in
 * `ps` output for every other process on the machine.
 */
export declare function readCardFromStdin(): Promise<CardDetails>;
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