import { Key } from 'react'; export declare const isObject: (target: unknown) => unknown; export interface MergeObject { [key: string]: any; } export declare const renameProp: (oldProp: string, newProp: string, { [oldProp]: old, ...others }: { [x: string]: any; }) => { [x: string]: any; }; export declare const copyObject: (obj: any) => any; export declare const omitObject: (obj: any, omitKeys: string[]) => any; export declare const cleanObject: (obj: any) => any; export declare const cleanObjectKeys: (obj: any, keys?: string[]) => any; export declare const getKeyValue: (obj: any, key: Key) => any;