write(encoder, valueSnapshot);
                }
            }
        } else if (snapshot instanceof ImmutableManagedValueSnapshot) {
            encoder.writeSmallInt(IMMUTABLE_MANAGED_SNAPSHOT);
            ImmutableManagedValueSnapshot valueSnapshot = (ImmutableManagedValueSnapshot) snapshot;
            encoder.writeString(valueSnapshot.getClassName());
            encoder.writeNullableString(valueSnapshot.getValue());

        def value2 = instantiator.named(Thing, "value2")
        def value3 = instantiator.named(Named, "value1")

        expect:
        def snapshot = snapshotter.snapshot(value)
        snapshot instanceof ImmutableManagedValueSnapshot
        snapshot == snapshotter.snapshot(value)
        snapshot == snapshotter.snapshot(value1)
        snapshot != snapshotter.snapshot(value2)
        snapshot != snapshotter.snapshot(value3)
    }