Package balancer installs all the xds balancers.

Package client implementation a full fledged gRPC client for the xDS API used by the xds resolver and balancer implementations.

Package env acts a single source of definition for all environment variables related to the xDS implementation in gRPC.

Package resolver implements the xds resolver, that does LDS and RDS to find the cluster to use.

Package testutils provides utility types, for use in xds tests.

Package version defines constants to distinguish between supported xDS API versions.

LocalityIDFromString converts a json representation of locality, into a LocalityID struct.

LocalityID is xds.Locality without XXX fields, so it can be used as map keys.