import { HttpParams } from '@angular/common/http';
export declare class ObjectUtils {
    /**
     * SubFunction of the objectToParams().
     * @param ob The input object.
     * @param postOrPut POST or PUT request. Boolean variable (optional).
     */
    static flattenObject(ob: any, postOrPut?: boolean): {};
    static handleFlatObject(namespace: string, flatObject: object, toReturn: object, postOrPut: boolean): object;
    /**
     * This function can transform the deep objects to linear query. For example it does from `data.firstLevel.second` property to
     * `data[firstLevel][second]`. It can be used in the get query strings.
     * @param input The input object. Can be any type of object.
     * @param postOrPut POST or PUT request. Boolean variable (optional).
     */
    static objectToParams(input: Object, postOrPut?: boolean): HttpParams;
}