protected ValidationRule[] getValidationRules() {
// we don't want CheckClassLoading in standalone mode since it doesn't mean anything
final ValidationRule[] defaultRules = new ValidationRule[]{
new CheckClasses(),
new CheckMethods(),
new CheckCallbacks(),
new CheckAssemblyBindings(),
new CheckInjectionTargets(),
new CheckInjectionPointUsage(),
new CheckPersistenceRefs(),
new CheckDependsOn(),