export declare const IMMUTABLE_ASSET_CACHE_CONTROL = "public, max-age=31536000, immutable";
export declare const IMMUTABLE_ASSET_CACHE_HEADERS: {
    readonly "cache-control": "public, max-age=31536000, immutable";
    readonly "cdn-cache-control": "public, max-age=31536000, immutable";
    readonly "netlify-cdn-cache-control": "public, max-age=31536000, immutable";
};
export declare const IMMUTABLE_ASSET_PATH_PATTERN = "^/assets/[^/]+-[A-Za-z0-9_-]{8}\\.[a-z0-9]+$";
export declare function isImmutableAssetPath(pathname: string): boolean;
export declare function normalizeBasePath(basePath: string | undefined): string;
export declare function prefixAssetPath(pathname: string, basePath: string | undefined): string;
export declare function collectImmutableAssetPaths(rootDir: string): string[];
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