/**
 * Discover build-tool path aliases under `root` and return them as tsconfig-style
 * `paths` entries (relative to `root`, which callers should use as `baseUrl`).
 * Every matching vite config in the directory is parsed and merged (the first
 * config to declare a given alias wins). Returns an empty object when nothing is
 * found.
 */
export declare function readBuildAliases(root: string): Record<string, string[]>;