String determineName(Object object) {
            return object.toString()
        }
    }
    final DefaultNamedDomainObjectList<CharSequence> list = new DefaultNamedDomainObjectList<CharSequence>(CharSequence, TestUtil.instantiatorFactory().decorateLenient(), toStringNamer, callbackActionDecorator)

    DefaultNamedDomainObjectList<String> container = list
    StringBuffer a = new StringBuffer("a")
    StringBuffer b = new StringBuffer("b")

==== Removal of domain object collection constructors

The following deprecated constructors were removed:

- DefaultNamedDomainObjectList(Class, Instantiator, Namer)
- DefaultNamedDomainObjectSet(Class, Instantiator)
- DefaultPolymorphicDomainObjectContainer(Class, Instantiator)