code: @Override
      public String get(String url) throws HttpServiceException, TechnicalException {
          logger.debug("HttpService GET on url: {}", url);
          Response response;
          try {
              response = getClient().newCall(new Request.Builder().url(new URL(url)).header("Accept", "application/json").build()).execute();
              String jsonResponse = response.body().string();
              logger.info("JSON response is: {}", jsonResponse);
              response.close();
              return jsonResponse;
          } catch (IOException e) {
              throw new HttpServiceException(Messages.format(Messages.getMessage(HttpServiceException.HTTP_SERVICE_ERROR_MESSAGE)), e);
          }
      }
docs: {@inheritDoc}