private <T extends PropertyContainer> T setProperties(T primitive, Map<String, Object> properties) {
assert primitive != null;
if (properties==null || properties.isEmpty()) return primitive;
for (Map.Entry<String, Object> prop : properties.entrySet()) {
if (prop.getValue()==null) {
primitive.removeProperty(prop.getKey());
} else {
primitive.setProperty(prop.getKey(), prop.getValue());
}
}
return primitive;
}
