variableTypes.addType(new ShortType());
variableTypes.addType(new IntegerType());
variableTypes.addType(new LongType());
variableTypes.addType(new DateType());
variableTypes.addType(new DoubleType());
variableTypes.addType(new ByteArrayType());
variableTypes.addType(new SerializableType());
variableTypes.addType(new CustomObjectType("item", ItemInstance.class));
variableTypes.addType(new CustomObjectType("message", MessageInstance.class));
if (customPostVariableTypes!=null) {
for (VariableType customVariableType: customPostVariableTypes) {