/**
 * Resource hints module for optimizing resource loading
 */
import { CheckoutMode, DisplayType } from "./types";
interface ResourceHintOptions {
    mode: CheckoutMode;
    displayType?: DisplayType;
}
/**
 * Inject preconnect and dns-prefetch hints for checkout domains
 */
export declare function injectResourceHints(options: ResourceHintOptions): void;
/**
 * Preload the Dodo SDK script (used by inline checkout for the wallet element).
 */
export declare function preloadDodoSdk(mode: CheckoutMode): void;
/**
 * Cleanup all injected resource hints
 */
export declare function cleanupResourceHints(): void;
export {};