public Collection<PdxField> getSortedFields() {
    TreeSet<PdxField> sortedSet = new TreeSet<>();
    for (PdxField pf : fields) {
      if (!pf.isDeleted()) {
        sortedSet.add(pf);
      }
    }
    return new ArrayList<>(sortedSet);
  }
Return true if the this type has a field that the other type does not have.

@param other the type we are comparing to
@return true if the this type has a field that the other type does not have.
geode-core/src/main/java/org/apache/geode/pdx/internal/PdxType.java