/** @module function/evolve.ts */
import { AnyObject, DeepPartial } from '../helper-types';
/**
 * Produces a new object from the result of applying function from an
 * object tree with functions which take corresponding values from an
 * incoming object
 * @param evolver
 * @param incoming
 */
export declare function evolveReducer<P, E extends AnyObject = AnyObject, I extends DeepPartial<P> = DeepPartial<P>>(evolver: E, previousState: P, incoming: I): P;
export declare type StrictDeepPartial<O, P> = {
    [K in keyof P]: K extends keyof O ? O[K] extends Array<infer U> ? never : O[K] extends ReadonlyArray<infer UU> ? ReadonlyArray<StrictDeepPartial<UU, P[K]>> : P[K] : never;
};