docs: public static void copyStreamWithFilterSet(final InputStream in, final OutputStream out, final FilterSet set)
          throws IOException {
          final BufferedReader reader = new BufferedReader(new InputStreamReader(in));
          final BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(out));
          String lSep = System.getProperty("line.separator");
          String line = reader.readLine();
          while (null != line) {
              writer.write(set.replaceTokens(line));
              writer.write(lSep);
              line = reader.readLine();
          }
          writer.flush();
      }