This allows us to release messages in the queue when all users close.
PiperOrigin-RevId: 218033550
Change-Id: I2f6e87650fced87a3977e3b74c64775c7b885c1b
This queue only has a single user, so there is no need for it to use an
interface. Merging it into the same package as its sole user allows us to avoid
a circular dependency.
This simplifies the code and should slightly improve performance.
PiperOrigin-RevId: 217595889
Change-Id: Iabbd5164240b935f79933618c61581bc8dcd2822
Ian Gudger