export declare function getSetupHtml(): string;
export declare function getMimeType(path: string): string;
export declare function hasFileExtension(path: string): boolean;
export declare function isHashedAsset(path: string): boolean;
export declare function isHtmlContentType(contentType: string): boolean;
export declare function cacheControlFor(path: string): string;
/**
 * Decode the URL pathname before looking it up in the asset table. A malformed
 * escape sequence is a bad request, not a missing static asset.
 */
export declare function decodeRequestPath(pathname: string): string | null;
/**
 * If-None-Match uses weak comparison for GET and HEAD requests. Browsers and
 * proxies may send a weak validator or a comma-separated list of validators.
 */
export declare function etagMatches(ifNoneMatch: string | null, currentEtag: string): boolean;
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