/**
 * Small helpers replacing lodash for tree-shaking / fewer deps / Node ESM interop.
 */
/** Picks only keys present on `obj` (like lodash `pick`). */
export declare function pick<T extends Record<string, unknown>>(obj: T, keys: readonly string[]): Record<string, unknown>;
/** Deduplicates by `iterateeKey` (first wins; like lodash `uniqBy`). */
export declare function uniqBy<T>(arr: readonly T[], iterateeKey: keyof T): T[];