/**
 * @rajeev02/payments — Cards & Subscriptions
 * Card tokenization (RBI compliant), saved cards, recurring billing
 */
export interface CardInfo {
    /** Tokenized card reference (never store raw card numbers) */
    tokenRef: string;
    /** Last 4 digits for display */
    last4: string;
    /** Card network */
    network: "visa" | "mastercard" | "rupay" | "amex" | "dinersclub";
    /** Card type */
    type: "credit" | "debit" | "prepaid";
    /** Issuing bank name */
    issuerBank?: string;
    /** Expiry month */
    expiryMonth: number;
    /** Expiry year */
    expiryYear: number;
    /** Cardholder name */
    holderName?: string;
    /** Whether card supports recurring/mandate */
    supportsRecurring: boolean;
}
export interface SubscriptionPlan {
    id: string;
    name: string;
    description?: string;
    amount: number;
    currency: string;
    interval: "daily" | "weekly" | "monthly" | "quarterly" | "yearly";
    intervalCount: number;
    trialDays?: number;
    features?: string[];
}
export interface Subscription {
    id: string;
    planId: string;
    customerId: string;
    status: "active" | "paused" | "cancelled" | "past_due" | "trialing" | "expired";
    currentPeriodStart: string;
    currentPeriodEnd: string;
    cancelledAt?: string;
    paymentMethod: "card" | "upi_mandate" | "emandate";
    tokenRef?: string;
    nextBillingDate: string;
    amount: number;
}
/**
 * Detect card network from number prefix (first 6 digits)
 */
export declare function detectCardNetwork(cardNumber: string): CardInfo["network"] | null;
/**
 * Format card number with spaces: 4111111111111111 → 4111 1111 1111 1111
 */
export declare function formatCardNumber(cardNumber: string): string;
/**
 * Validate card number using Luhn algorithm
 */
export declare function validateCardNumber(cardNumber: string): boolean;
/**
 * Calculate subscription renewal dates
 */
export declare function getNextBillingDate(plan: SubscriptionPlan, currentDate?: Date): Date;
//# sourceMappingURL=index.d.ts.map