logMessage(Diagnostic.Kind.NOTE, "Content has changed. Updating file.");
            try {
                FileObject outputFile =
                        processingEnv.getFiler().createResource(StandardLocation.CLASS_OUTPUT, "", path);
                try (Writer writer = outputFile.openWriter()) {
                    writer.write(newContent);
                }
            } catch (IOException e) {

  }

  private static class UrlByteSourceFactory extends FileByteSourceFactory {

    @SuppressWarnings("CheckReturnValue") // only using super.createSource to create a file
    @Override
    public ByteSource createSource(byte[] bytes) throws IOException {
      super.createSource(bytes);
      return Resources.asByteSource(getFile().toURI().toURL());
    }
  }

  }

  private static class UrlByteSourceFactory extends FileByteSourceFactory {

    @SuppressWarnings("CheckReturnValue") // only using super.createSource to create a file
    @Override
    public ByteSource createSource(byte[] bytes) throws IOException {
      super.createSource(bytes);
      return Resources.asByteSource(getFile().toURI().toURL());
    }
  }