Imports github.com/cockroachdb/cockroach/util/caller github.com/gogo/protobuf/proto github.com/gogo/protobuf/sortkeys github.com/opentracing/basictracer-go github.com/opentracing/opentracing-go github.com/opentracing/opentracing-go/ext golang.org/x/net/context Standard library imports C bytes encoding/gob fmt io math os