import { AirUrlConfig, BUILD_ENV_TYPE, CredentialNetwork } from "./interfaces";
export declare const FONT_CDNS: string[];
export declare const AIR_URLS: Record<BUILD_ENV_TYPE, AirUrlConfig>;
export declare const getAirUrls: (buildEnv: BUILD_ENV_TYPE, credentialNetwork?: CredentialNetwork) => AirUrlConfig;
/**
 * Injects dns-prefetch, preconnect, and prefetch link tags
 * for a given resource or page URL.
 *
 * @param url - Full resource URL (e.g. "https://cdn.example.com/app.js")
 * @param options - Optional configuration
 *   prefetch?: boolean — disable if you only want connection warm-up
 *   as?: string — specify resource type for prefetch ("document", "script", "style", "font", etc.)
 */
export declare const addResourceHints: (url: string, options?: {
    prefetch?: boolean;
    as?: string;
}) => void;
export declare const isElement: (element: unknown) => element is Document | Element;
export declare const randomId: () => string;
export declare const extractErrorHash: (message: string) => string;