ASTNode node = ((SourceRefElement) iAnnotation).findNode(assistContext.getASTRoot());
annotation = (Annotation) node;
if (node instanceof NormalAnnotation) {
NormalAnnotation normalAnnotation = (NormalAnnotation) node;
@SuppressWarnings("unchecked")
List<MemberValuePair> pairs = normalAnnotation.values();
for (MemberValuePair pair : pairs) {
Expression value = pair.getValue();
if (value instanceof StringLiteral) {
if (isWithinRange(value, invocationOffset)) {