/**
 * Maps source dependency paths to rendered HTML cache keys for selective invalidation.
 */
export declare class HtmlPageCacheDependencyIndex {
    private readonly sourcePathToCacheKeys;
    private readonly cacheKeyToSourcePaths;
    /**
     * Records which source paths contributed to one cached HTML entry.
     */
    register(cacheKey: string, sourcePaths: readonly string[]): void;
    /**
     * Removes dependency metadata for one cache key.
     */
    unregister(cacheKey: string): void;
    /**
     * Returns cache keys that depend on any of the given source paths.
     */
    resolveCacheKeysForSourcePaths(sourcePaths: readonly string[]): string[];
    clear(): void;
}
type CollectHtmlCacheSourceDependencyPathsInput = {
    routeFile: string;
    processedAssets: readonly {
        sourceFilepath?: string;
        bundledSourceFilepaths?: readonly string[];
    }[];
    graphDependencyPaths?: ReadonlySet<string>;
    additionalSourcePaths?: readonly string[];
};
/**
 * Merges route, graph, processed-asset, and caller-supplied source paths for HTML cache invalidation.
 */
export declare function collectHtmlCacheSourceDependencyPaths(input: CollectHtmlCacheSourceDependencyPathsInput): string[];
export {};