new MutableStylePropertySetImpl();
interesting.add(StylePropertyDetails.WIDTH);
DebugStyledDocument debugStyledDocument;
debugStyledDocument = new DebugStyledDocument(interesting);
String before = debugStyledDocument.debug(document);
document = transformer.transform(protocolMock, document);
debugStyledDocument = new DebugStyledDocument(interesting);
String after = debugStyledDocument.debug(document);