* refresh happens, it will push a SoftReference(null), e.g. simulate the GC. Now
* that may happen while the getter is already busy acting on the old schema context,
* so it needs to understand that a refresh has happened and retry. To do that, it
* refresh happens, it will push a SoftReference(null), e.g. simulate the GC. Now
* that may happen while the getter is already busy acting on the old schema context,
* so it needs to understand that a refresh has happened and retry. To do that, it