import { type ExtractKey } from "./Types.js";
/**
 * extract a nested property by a structured key
 * @example
 *
 * ```typescript
 * extract({a: {b: {c: 1}}}, "a.b.c") // 1
 * ```
 */
export declare const extract: <Value, Key extends string>(value: Value, key: Key) => ExtractKey<Value, Key>;
/**
 * inflate a nested structure from a flat list of keys
 *
 * @example
 *
 * ```ts
 * const nested = inflate([["a.b[0].c", 1]])
 * //    ^?     = {a: {b: [{c: 1}]}}
 * ```
 */
export declare const inflate: <Target>(entries: Iterable<[string, unknown]>) => Target;