train_findFieldsWithAnnotation(transformation, Mixin.class, "fred");
train_getFieldAnnotation(transformation, "fred", Mixin.class, annotation);
train_getFieldType(transformation, "fred", "foo.bar.Baz");
model.addMixinClassName("foo.bar.Baz");
transformation.makeReadOnly("fred");
train_getResourcesFieldName(transformation, "rez");