code: public static String get(PropertyKey key, ConfigurationValueOptions options) {
      return sConf.get(key, options);
    }
docs: Gets the value for the given key in the {@link Properties}; if this key is not found, a
  RuntimeException is thrown.
  
  @param key the key to get the value for
  @param options options for getting configuration value
  @return the value for the given key