// import type { PrimerCheckoutData } from '../models/PrimerCheckoutData';
// import type { PrimerCheckoutPaymentMethodData } from '../models/PrimerCheckoutPaymentMethodData';
// import type {
//   PrimerTokenizationHandler,
//   PrimerResumeHandler,
//   PrimerPaymentCreationHandler,
//   PrimerErrorHandler
// } from '../models/PrimerInterfaces';
// import type { PrimerClientSession } from '../models/PrimerClientSession';
// import type { PrimerPaymentMethodTokenData } from '../models/PrimerPaymentMethodTokenData';
// import type { PrimerError } from '../models/PrimerError';

// export interface PrimerHeadlessUniversalCheckoutStartResponse {
//   paymentMethodTypes: string[];
// }

// export interface PrimerHeadlessUniversalCheckoutCallbacks {
//   // Common
//   onBeforeClientSessionUpdate?: () => void;
//   onClientSessionUpdate?: (clientSession: PrimerClientSession) => void;
//   onBeforePaymentCreate?: (checkoutPaymentMethodData: PrimerCheckoutPaymentMethodData, handler: PrimerPaymentCreationHandler) => void;
//   onCheckoutComplete?: (checkoutData: PrimerCheckoutData) => void;
//   onTokenizeSuccess?: (paymentMethodTokenData: PrimerPaymentMethodTokenData, handler: PrimerTokenizationHandler) => void;
//   onResumeSuccess?: (resumeToken: string, handler: PrimerResumeHandler) => void;
//   onError?: (error: PrimerError, checkoutData: PrimerCheckoutData | null, handler: PrimerErrorHandler | undefined) => void;

//   // Only on HUC
//   onPrepareStart?: (paymentMethodType: string) => void;
//   onTokenizeStart?: (paymentMethodType: string) => void;
//   onPaymentMethodShow?: (paymentMethodType: string) => void;
//   onAvailablePaymentMethodTypesLoad?: (paymentMethodTypes: string[]) => void;
// }