make AutoValue work in PubSub#1481

Merged

pongad merged 3 commits intogoogleapis:pubsub-hpfrom

pongad:autovalue

Dec 20, 2016

Commits on Dec 16, 2016

make AutoValue work in PubSub
pongad
committed

Commits on Dec 19, 2016

make everything work by using error_prone_annotations
pongad
committed

Commits on Dec 20, 2016

give {Publisher,Subscriber}Stats their Builders
pongad
committed