In Lifecycle.create(), @This can't be used in EntityBuilder's to set non-Optional values.

If I create Entity A, and in its LifeCycle.create() method I try to create an Entity B that needs an association to Entity A, Entity A is not visible to the creation process within the EntityBuilder.

However, if the Entity B is first created, and then Entity A is assigned to Entity B, that works. This however, introduces a lot of @Optional in aggregates, when they shouldn't be.