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;