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