code: public final static String process(final InputStream input, final boolean safeMode) throws IOException
      {
          return process(input, Configuration.builder().setSafeMode(safeMode).build());
      }
docs: Transforms an input stream into HTML.
  
  @param input
  The InputStream to process.
  @param safeMode
  Set to <code>true</code> to escape unsafe HTML tags.
  @return The processed String.
  @throws IOException
  if an IO error occurs
  @see Configuration#DEFAULT