private static boolean appendName(PbRef ref, StringBuilder builder) {
String refName = ref.getReferenceName();
if (refName == null) {
return false;
}
PbRef qualifier = (PbRef) ref.getQualifier();
if (qualifier != null) {
appendName(qualifier, builder);
builder.append(".");
}
builder.append(refName);
return true;
}
