/**
 * @license
 * Copyright 2026 Steven Roussey <sroussey@gmail.com>
 * SPDX-License-Identifier: Apache-2.0
 */
export declare function webAssetRoot(): string;
export declare function contentTypeFor(path: string): string;
/**
 * Maps a URL path to a file inside the asset root, or undefined when it does
 * not name one. Anything that resolves outside the root is refused: a served
 * directory plus a caller-supplied path is the classic way to hand out
 * `/etc/passwd`.
 */
export declare function resolveWebAsset(urlPath: string, root?: string): string | undefined;
export declare function webAssetExists(path: string): boolean;