Daniel Nephin bad4d3ff7c grpc: redeuce dependencies, unexport, and add godoc
Rename GRPCClient to ClientConnPool. This type appears to be more of a
conn pool than a client. The clients receive the connections from this
pool.

Reduce some dependencies by adjusting the interface baoundaries.

Remove the need to create a second slice of Servers, just to pick one and throw the rest away.

Unexport serverResolver, it is not used outside the package.

Use a RWMutex for ServerResolverBuilder, some locking is read-only.

Add more godoc.
2020-09-24 12:53:10 -04:00
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