/** Build Svelte packages into stable vendor files (no content hash).
 *  Output goes to {buildDir}/svelte/vendor/ with predictable names. */
export declare const buildSvelteVendor: (buildDir: string) => Promise<void>;
/** Compute the deterministic vendor paths mapping (no build needed).
 *  This can be called before vendor files exist on disk. */
export declare const computeSvelteVendorPaths: () => Record<string, string>;