import { UniFlattenOptions } from './type';
export declare const RESTRICTED_KEYS: string[];
/**
 * Deeply set value by key. This method mutates the original object.
 *
 * @example
 *
 * deepSet({}, "a.b", 1) // { a: { b: 1 } }
 * deepGet({}, "a.b.0", 1) // { a: { b: [1] } }
 * deepGet({}, 'a["?"][0]', 1) // { a: { '?': [1] } }
 */
export declare const deepSet: <T extends Record<string, unknown>>(obj: T, path: string, value: unknown, options?: UniFlattenOptions) => T;