public BugInstance addClass(String className, String sourceFile) { ClassAnnotation classAnnotation = new ClassAnnotation(className, sourceFile);
public BugInstance addClass(String className) { ClassAnnotation classAnnotation = new ClassAnnotation(className);
	public BugInstance addClass(String className, String sourceFile) {		ClassAnnotation classAnnotation = new ClassAnnotation(className, sourceFile);		if (primaryClassAnnotation == null)			primaryClassAnnotation = classAnnotation;		add(classAnnotation);		return this;	}