import type { KeyType } from '..';
export declare const isPlainObject: (value?: any) => boolean;
export declare function arrangePropertyPaths(propertyPaths: Array<string>): Array<string>;
export declare function isAPrefixOfB<T>({ length: aLen, ...a }: Array<T>, b: Array<T>): boolean;
export declare function isDataContainer(v: any): boolean;
export declare function isString(v: any): boolean;
export declare function makeReadonly<T>(v: T): Readonly<T>;
export declare function set(obj: unknown, path: Array<KeyType> | undefined | null, value: unknown): unknown;
export declare function shallowCopy<T>(data: Readonly<T>): T;
export declare function shallowCopy<T>(data: T): T;