Assert.isNotNull(name);
if (name == null) { throw new IllegalArgumentException("Name must not be null"); }
	public ChangeCorrectionProposal(String name, Change change, int relevance, Image image) {		Assert.isNotNull(name);		fName= name;		fChange= change;		fRelevance= relevance;		fImage= image;		fCommandId= null;	}