/**
 * Return the workspace root.
 *
 * If no directory is supplied, defaults to `process.cwd()`. Callers that
 * already know their root should pass it explicitly.
 */
export declare function root(cwd?: string): string;
/**
 * Resolve one or more path segments relative to the workspace root.
 */
export declare function resolve(rootDir: string, ...segments: string[]): string;