code: public static HttpResponse executePost(final String url,
                                             final String basicAuthUsername,
                                             final String basicAuthPassword,
                                             final String entity) {
          return executePost(url, basicAuthUsername, basicAuthPassword, entity, new HashMap<>());
      }
docs: Execute post http response.
  
  @param url               the url
  @param basicAuthUsername the basic auth username
  @param basicAuthPassword the basic auth password
  @param entity            the json entity
  @return the http response