@Override
 public String toDefaultValue(Property p) {
   if (p instanceof ArrayProperty) {
     final ArrayProperty ap = (ArrayProperty) p;
     final String pattern;
     if (fullJavaUtil) {
       pattern = "new java.util.ArrayList<%s>()";
     } else {
       pattern = "new ArrayList<%s>()";
     }
     return String.format(pattern, getTypeDeclaration(ap.getItems()));
   } else if (p instanceof MapProperty) {
     final MapProperty ap = (MapProperty) p;
     final String pattern;
     if (fullJavaUtil) {
       pattern = "new java.util.HashMap<String, %s>()";
     } else {
       pattern = "new HashMap<String, %s>()";
     }
     return String.format(pattern, getTypeDeclaration(ap.getAdditionalProperties()));
   } else if (p instanceof IntegerProperty) {
     IntegerProperty dp = (IntegerProperty) p;
     if (dp.getDefault() != null) {
       return dp.getDefault().toString();
     }
     return "null";
   } else if (p instanceof LongProperty) {
     LongProperty dp = (LongProperty) p;
     if (dp.getDefault() != null) {
       return dp.getDefault().toString() + "l";
     }
     return "null";
   } else if (p instanceof DoubleProperty) {
     DoubleProperty dp = (DoubleProperty) p;
     if (dp.getDefault() != null) {
       return dp.getDefault().toString() + "d";
     }
     return "null";
   } else if (p instanceof FloatProperty) {
     FloatProperty dp = (FloatProperty) p;
     if (dp.getDefault() != null) {
       return dp.getDefault().toString() + "f";
     }
     return "null";
   } else if (p instanceof BooleanProperty) {
     BooleanProperty bp = (BooleanProperty) p;
     if (bp.getDefault() != null) {
       return bp.getDefault().toString();
     }
     return "null";
   } else if (p instanceof StringProperty) {
     StringProperty sp = (StringProperty) p;
     if (sp.getDefault() != null) {
       String _default = sp.getDefault();
       if (sp.getEnum() == null) {
         return "\"" + escapeText(_default) + "\"";
       } else {
         // convert to enum var name later in postProcessModels
         return _default;
       }
     }
     return "null";
   }
   return super.toDefaultValue(p);
 }