| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| github.com/golang/protobuf/proto | Package proto provides functionality for handling protocol buffer messages. |
| github.com/golang/protobuf/ptypes/any | |
| github.com/golang/protobuf/ptypes/duration | |
| github.com/golang/protobuf/ptypes/timestamp | |
| github.com/google/trillian/crypto/keyspb | |
| github.com/google/trillian/crypto/sigpb | |
| google.golang.org/genproto/googleapis/api/annotations | |
| google.golang.org/genproto/googleapis/rpc/status | |
| google.golang.org/genproto/protobuf/field_mask | Package field_mask aliases all exported identifiers in package "google.golang.org/protobuf/types/known/fieldmaskpb". |
| 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/status | Package status implements errors returned by gRPC. |
| google.golang.org/protobuf/reflect/protoreflect | Package protoreflect provides interfaces to dynamically manipulate messages. |
| google.golang.org/protobuf/runtime/protoimpl | Package protoimpl contains the default implementation for messages generated by protoc-gen-go. |
| reflect | Package reflect implements run-time reflection, allowing a program to manipulate objects with arbitrary types. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |