def configure(def container) {
        container.configure {
            list1 {
                // owner properties and methods - owner is a DynamicOwner
                dynamicProp = 'dynamicProp'
                assert dynamicProp == 'dynamicProp'
                assert ownerProp == 'ownerProp'
                assert ownerMethod('ownerMethod') == 'ownerMethod'
                assert dynamicMethod('a', 'b', 'c') == 'dynamicMethod'