code: private Configuration getDefaultConfiguration() {
          Configurations configs = new Configurations();
          try {
              return configs.properties(PROPERTIES_DEFAULT);
          } catch (ConfigurationException e) {
              throw new RuntimeException(String.format("Can't load default properties '%s'", PROPERTIES_DEFAULT), e);
          }
      }
docs: Loads the default properties from the classpath.
  
  @return the default properties