docs: public IDocumentAutoFormatter getDocumentAutoFormatter() {
  		final IDocument document = getDocument();
  		if (document instanceof IXtextDocument) {
  			final IDocumentAutoFormatter formatter = this.autoFormatterProvider.get();
  			formatter.bind((IXtextDocument) document, this.fContentFormatter);
  			return formatter;
  		}
  		return new IDocumentAutoFormatter() {
  			//
  		};
  	}