docs: public static String getJiraVersion(URL jiraBaseUrl) {
          HttpClient client = new DefaultHttpClient();
          try {
              URL requestUrl = new URL(jiraBaseUrl + JIRA_REST_SERVERINFO_ENDPOINT);
              HttpResponse response = client.execute(new HttpGet(requestUrl.toURI()));
              lazyInitMapper();
              Map<String, Object> responseMap = mapper.readValue(response.getEntity().getContent(), new TypeReference<Map<String, Object>>() {
              });
              return ((String) responseMap.get("version"));
          } catch (Exception e) {
              throw new RuntimeException("Error while trying to get Jira Issue Tracker version: " + e.getMessage());
          }
      }