export declare function areObjectsEquals(object1: any, object2: any): any;
export declare const isEmpty: (obj: any) => boolean;
export declare function fetchJsonField(object: any, fieldName: string): any;
export declare function pickFieldsOfObject(object: any, fields: any): any;
export declare function filterObjectsFields(data: any[], fields: string[]): any[];
export declare const isPlainObject: (val: any) => boolean;