/**
 * Transformation spec where each value is either a function or nested spec.
 */
export type Evolver<T> = {
    [K in keyof T]?: T[K] extends object ? Evolver<T[K]> | ((value: T[K]) => T[K]) : (value: T[K]) => T[K];
};
/**
 * Recursively transforms an object by applying transformation functions
 * from a spec object to corresponding properties. Ramda-style evolve.
 *
 * @param transformations - Object with transformation functions matching the shape of obj
 * @param obj - Input object to transform
 * @returns New object with transformed values
 *
 * @example
 * const spec = {
 *   name: s => s.toUpperCase(),
 *   data: {
 *     count: n => n + 1,
 *   },
 * };
 * evolveHot(spec, { name: 'foo', data: { count: 5 }, other: true });
 * // => { name: 'FOO', data: { count: 6 }, other: true }
 */
export declare function evolveHot<T extends object>(transformations: Evolver<T>, obj: T): T;
//# sourceMappingURL=evolve.d.ts.map