Imports
- github.com/golang/protobuf/proto
- golang.org/x/net/context
- cloud.google.com/go/internal/protostruct
- google.golang.org/api/transport/grpc
- github.com/golang/protobuf/ptypes
- google.golang.org/api/option
- cloud.google.com/go/civil
- go.opencensus.io/trace
- google.golang.org/genproto/googleapis/rpc/errdetails
- google.golang.org/api/iterator
- github.com/golang/protobuf/ptypes/struct
- google.golang.org/grpc/metadata
- cloud.google.com/go/internal/version
- cloud.google.com/go/internal/fields
- google.golang.org/grpc/codes
- google.golang.org/grpc
- github.com/golang/protobuf/ptypes/duration
- github.com/golang/protobuf/ptypes/timestamp
- google.golang.org/genproto/googleapis/spanner/v1