https://mozilla-services.readthedocs.io/en/latest/storage/apis-1.5.html#concurrency-and-conflict-management https://mozilla-services.readthedocs.io/en/latest/st

https://mozilla-services.readthedocs.io/en/latest/storage/apis-1.5.html#concurrency-and-conflict-management https://mozilla-services.readthedocs.io/en/latest/storage/ap...