if (decpPattern != null) {
TypePattern typePattern = parseTypePattern(decpPattern, struct);
ResolvedType fieldType = UnresolvedType.forSignature(struct.field.getSignature()).resolve(struct.enclosingType.getWorld());
if (fieldType.isInterface()) {
TypePattern parent = new ExactTypePattern(UnresolvedType.forSignature(struct.field.getSignature()), false, false);
parent.resolve(struct.enclosingType.getWorld());
// first add the declare implements like
List parents = new ArrayList(1); parents.add(parent);
DeclareParents dp = new DeclareParents(
typePattern,
parents,