This defines a service that can be used to get and put content-addressed chunks of data. Change-Id: I36cf2278ed1daf71848c04fdfd14450b2268c5de Reviewed-on: https://cl.tvl.fyi/c/depot/+/7135 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
