export declare function isObject(item: any): boolean;
export declare function getValueByKey(resource: any, key: any): any;
export declare function setValueByKey(resource: any, key: any, value: any): void;
declare const _default: {
    isObject: typeof isObject;
    getValueByKey: typeof getValueByKey;
    setValueByKey: typeof setValueByKey;
};
export default _default;