code: public static PropertiesBuilder from(InputStream inputStream) {
  
      try {
        Properties defaults = new Properties();
        defaults.load(inputStream);
        return from(defaults);
      }
      catch (IOException cause) {
        throw new SystemException(String.format("Failed to load properties from input stream [%s]", inputStream), cause);
      }
    }
docs: Factory method to load {@link Properties} from the given {@link InputStream}.
  
  @param inputStream an input source containing the {@link Properties} to load.
  @return an instance of the {@link PropertiesBuilder} class initialized with the properties
  from the given input source.
  @throws SystemException if the properties from the given {@link InputStream} could not be loaded.
  @see java.util.Properties#load(InputStream)
  @see java.io.InputStream
  @see #from(Properties)