/**
 * useDynamicPricing Hook
 *
 * Extracts and centralizes all dynamic pricing related calculations
 * for the checkout summary component.
 *
 * Final Freeze Architecture: Quotes are created at Submit time only.
 * This hook handles preview-time display calculations.
 */
import type { TCheckoutSession, TLineItemExpanded, TPaymentCurrency, TPaymentIntent } from '@blocklet/payment-types';
export interface LiveRateInfo {
    rate?: string;
    provider_id?: string;
    provider_name?: string;
    provider_display?: string;
    base_currency?: string;
    timestamp_ms?: number;
    fetched_at?: number;
}
export interface LiveQuoteSnapshot {
    id: string;
    quoted_amount: string;
    exchange_rate: string;
    expires_at: number;
    rate_timestamp_ms?: number | null;
    renewed?: boolean;
}
export interface DiscountInfo {
    promotion_code?: string;
    coupon?: string;
    discount_amount?: string;
    coupon_details?: {
        percent_off?: number;
        amount_off?: string;
        currency_id?: string;
        currency_options?: Record<string, {
            amount_off?: string;
        }>;
    };
}
export interface DynamicPricingOptions {
    items: TLineItemExpanded[];
    currency: TPaymentCurrency;
    liveRate?: LiveRateInfo;
    liveQuoteSnapshot?: LiveQuoteSnapshot;
    checkoutSession?: TCheckoutSession;
    paymentIntent?: TPaymentIntent | null;
    locale?: string;
    isStripePayment?: boolean;
    isSubscription?: boolean;
    slippageConfig?: {
        mode?: 'percent' | 'rate';
        percent?: number | null;
        min_acceptable_rate?: string;
        base_currency?: string;
    };
    trialInDays?: number;
    trialEnd?: number;
    discounts?: DiscountInfo[];
}
export interface RateInfo {
    exchangeRate: string | null;
    baseCurrency: string;
    providerName: string | null;
    providerId: string | null;
    timestampMs: number | null;
    fetchedAt: number | null;
}
export interface QuoteMeta {
    exchangeRate: string | null;
    baseCurrency: string;
    expiresAt: number | null;
    providerName: string | null;
    providerId: string | null;
    rateTimestampMs: number | null;
    slippagePercent: number | null;
}
/**
 * Custom hook for dynamic pricing calculations
 */
export declare function useDynamicPricing(options: DynamicPricingOptions): {
    hasDynamicPricing: boolean;
    isPriceLocked: boolean;
    lockExpired: boolean;
    quoteMeta: QuoteMeta | null;
    rateInfo: RateInfo;
    quoteLockedAt: number | null;
    calculatedTokenAmount: string | null;
    calculatedDiscountAmount: any;
    currentSlippagePercent: number;
    rateDisplay: string | null;
    providerDisplay: string;
    formatTotalDisplay: (totalAmountValue: string, fallback?: string) => string;
    calculateUsdDisplay: (totalAmountValue: string) => string | null;
    buildQuoteDetailRows: (t: (key: string) => string) => {
        label: string;
        value: string | React.ReactNode;
        isSlippage?: boolean;
        tooltip?: string;
    }[];
};
export default useDynamicPricing;