import { KeyFunc } from "../util/keyed-array-diff";
import { State } from "./state";
import { SimpleDeep, DeepChildFactory } from "./simple-deep";
import { KeyedDeep } from "./keyed-deep";
export declare function deep(state: State): SimpleDeep;
export declare function deep(state: State, key: KeyFunc): KeyedDeep;
/**
 *
 * Returns a deep child factory that creates [keyed deep](https://connective.dev/docs/deep#keyed-deep) sub-states
 * with given key function. Pass this to `.sub()` or `.key()` on [deep states](https://connective.dev/docs/deep)
 * to have keyed sub-states.
 *
 * @param keyfunc the key function to be used
 *
 */
export declare function keyed(keyfunc: KeyFunc): DeepChildFactory<KeyedDeep>;
export default deep;