import { Environment } from '../../types/checkout/CheckoutConfig.type';
import { ApplePayData, FormData } from '../../types/common/FormData.type';
import { Payment } from '../../types/payment/Payment.type';
/**
 * Resolved per call, not at module load, so it follows the locale the merchant
 * set rather than whichever one was active when this module was imported.
 */
export declare const cardNotTokenizedMessage: () => string;
export declare class CheckoutAPIService {
    private apiKey;
    private baseUrl;
    private browserInfo;
    constructor(apiKey: string, environment: Environment, browserInfo?: {
        colorDepth: number;
        javaEnabled: boolean;
        screenHeight: number;
        screenWidth: number;
        timeZoneOffset: string;
        language: string;
    });
    private mapAddressToApiFormat;
    private hasAddressData;
    private buildAddressData;
    private getAttributionParams;
    fetchApi<T>({ endpoint, method, body, customHeaders, }: {
        endpoint: string;
        method?: 'GET' | 'POST' | 'PUT' | 'DELETE' | 'PATCH';
        body?: Record<string, any>;
        customHeaders?: Record<string, string>;
    }): Promise<T>;
    authorizePayment({ paymentId, checkoutKey, formData, returnUrl, applePayData, customCustomerData, }: {
        paymentId: string;
        checkoutKey: string;
        formData: FormData | null;
        returnUrl: string;
        applePayData?: ApplePayData;
        customCustomerData?: Record<string, unknown>;
    }): Promise<Payment>;
}
//# sourceMappingURL=CheckoutAPI.service.d.ts.map