import type { CheckoutParams, CheckoutResult, WebhookEvent } from '../core/provider.interface.js';
import { AbstractPaymentProvider } from '../core/abstract-provider.js';
export interface NowPaymentsConfig {
    apiKey: string;
    ipnSecret?: string;
    baseUrl?: string;
}
export declare class NowPaymentsProvider extends AbstractPaymentProvider {
    private config;
    readonly name = "nowpayments";
    readonly supportedCurrencies: string[];
    readonly supportedMethods: string[];
    private baseUrl;
    constructor(config: NowPaymentsConfig);
    protected doCheckout(params: CheckoutParams): Promise<CheckoutResult>;
    /** Mappe payment_status NOWPayments → type normalisé. */
    static mapStatus(s: string | undefined): string;
    protected doVerifyWebhook(body: string, signature: string): Promise<WebhookEvent>;
}
/**
 * Crée un provider NOWPayments depuis l'env (cascade @mostajs/config).
 * Env : NOWPAYMENTS_API_KEY, NOWPAYMENTS_IPN_SECRET.
 */
export declare function createNowPaymentsProvider(config?: Partial<NowPaymentsConfig>): NowPaymentsProvider;
//# sourceMappingURL=nowpayments.provider.d.ts.map