| bytes | Package bytes implements functions for the manipulation of byte slices. |
| cloud.google.com/go/civil | Package civil implements types for civil time, a time-zone-independent representation of time that follows the rules of the proleptic Gregorian calendar with exactly 24-hour days, 60-minute hours, and 60-second minutes. |
| cloud.google.com/go/internal/fields | Package fields provides a view of the fields of a struct that follows the Go rules, amended to consider tags and case insensitivity. |
| cloud.google.com/go/internal/version | Package version contains version information for Google Cloud Client Libraries for Go, as reported in request headers. |
| container/heap | Package heap provides heap operations for any type that implements heap.Interface. |
| container/list | Package list implements a doubly linked list. |
| encoding/base64 | Package base64 implements base64 encoding as specified by RFC 4648. |
| errors | Package errors implements functions to manipulate errors. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/golang/glog | Package glog implements logging analogous to the Google-internal C++ INFO/ERROR/V setup. |
| github.com/golang/protobuf/proto | Package proto provides functionality for handling protocol buffer messages. |
| github.com/golang/protobuf/ptypes | Package ptypes provides functionality for interacting with well-known types. |
| github.com/golang/protobuf/ptypes/duration | |
| github.com/golang/protobuf/ptypes/struct | |
| github.com/golang/protobuf/ptypes/timestamp | |
| go.opencensus.io/plugin/grpc | |
| golang.org/x/net/context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| google.golang.org/api/iterator | |
| google.golang.org/api/option | |
| google.golang.org/api/transport/grpc | |
| google.golang.org/genproto/googleapis/rpc/errdetails | |
| google.golang.org/genproto/googleapis/spanner/v1 | Package spanner aliases all exported identifiers in package "cloud.google.com/go/spanner/apiv1/spannerpb". |
| google.golang.org/grpc | Package grpc implements an RPC system called gRPC. |
| google.golang.org/grpc/codes | Package codes defines the canonical error codes used by gRPC. |
| google.golang.org/grpc/metadata | Package metadata define the structure of the metadata supported by gRPC library. |
| io | Package io provides basic interfaces to I/O primitives. |
| math | Package math provides basic constants and mathematical functions. |
| math/rand | Package rand implements pseudo-random number generators suitable for tasks such as simulation, but it should not be used for security-sensitive work. |
| reflect | Package reflect implements run-time reflection, allowing a program to manipulate objects with arbitrary types. |
| regexp | Package regexp implements regular expression search. |
| strconv | Package strconv implements conversions to and from string representations of basic data types. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |
| sync/atomic | Package atomic provides low-level atomic memory primitives useful for implementing synchronization algorithms. |
| time | Package time provides functionality for measuring and displaying time. |