code: private static Map<Class<?>, SerDeserializer> loadFromClasspath() {
          // log errors to System.err, as problems in static initializers can be troublesome to diagnose
          Map<Class<?>, SerDeserializer> result = new HashMap<>();
          URL url = null;
          try {
              // this is the new location of the file, working on Java 8, Java 9 class path and Java 9 module path
              ClassLoader loader = Thread.currentThread().getContextClassLoader();
              if (loader == null) {
                  loader = RenameHandler.class.getClassLoader();
              }
              Enumeration<URL> en = loader.getResources("META-INF/org/joda/beans/JodaBeans.ini");
              while (en.hasMoreElements()) {
                  url = en.nextElement();
                  List<String> lines = loadRenameFile(url);
                  parseRenameFile(lines, url, result);
              }
          } catch (Error | Exception ex) {
              System.err.println("ERROR: Unable to load JodaBeans.ini: " + url + ": " + ex.getMessage());
              ex.printStackTrace();
              result.clear();
          }
          return result;
      }
docs: loads config files