/**
 * *****************************************************
 */
export declare class ObjUtil {
    static addAllProps(sourceObj: any, targetObj: any): any;
    static cloneOwnProps(sourceObj: any): any;
    static copyNonNullFieldsOnly(obj: any, newObj: any, filterFn?: (prop: any) => boolean): any;
    static formatRecAttr(o: any, prettyPrint?: true): string;
    static newInstance(type: any): any;
}