Package svcmux contains utility functions used by code generated by svcmux tool. It is not designed to be used directly.
const VersionMetadataKey = "X-Luci-Service-Version"
VersionMetadataKey is key in gRPC metadata that specifies requested service version.
GetServiceVersion extracts requested service version from metadata in c.
NoImplementation creates an error for a service version that does not have an implementation.