could not import errors (no metadata for errors)

missing go.sum entry for module providing package google.golang.org/grpc/codes (imported by github.com/googleapis/go-sql-spanner/benchmarks/benchwrapper/proto); to add:

could not import google.golang.org/grpc/status (no metadata for google.golang.org/grpc/status)

could not import google.golang.org/grpc/codes (no metadata for google.golang.org/grpc/codes)

could not import google.golang.org/grpc (no metadata for google.golang.org/grpc)

could not import google.golang.org/api/googleapi (no metadata for google.golang.org/api/googleapi)

could not import time (no metadata for time)

could not import math/rand (no metadata for math/rand)

could not import errors (no metadata for errors)