docs: public static NetworkConfig fromJsonStream(InputStream configStream) throws InvalidArgumentException, NetworkConfigurationException {
  
          logger.trace("NetworkConfig.fromJsonStream...");
  
          // Sanity check
          if (configStream == null) {
              throw new InvalidArgumentException("configStream must be specified");
          }
  
          // Read the input stream and convert to JSON
  
          try (JsonReader reader = Json.createReader(configStream)) {
              JsonObject jsonConfig = (JsonObject) reader.read();
              return fromJsonObject(jsonConfig);
          }
  
      }