private void add(BugAnnotation annotation) {
void add(BugAnnotation annotation) {
	private void add(BugAnnotation annotation) {		if (annotation == null)			throw new IllegalStateException("Missing BugAnnotation!");		// Add to list		annotationList.add(annotation);		// This object is being modified, so the cached hashcode		// must be invalidated		cachedHashCode = INVALID_HASH_CODE;		if ((annotation instanceof ClassAnnotation) && primaryClassAnnotation == null)			primaryClassAnnotation = (ClassAnnotation) annotation;		if ((annotation instanceof MethodAnnotation) && primaryMethodAnnotation == null)			primaryMethodAnnotation = (MethodAnnotation) annotation;	}