| 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. |
| google.golang.org/protobuf/types/known/anypb | Package anypb contains generated types for google/protobuf/any.proto. |
| google.golang.org/protobuf/types/known/durationpb | Package durationpb contains generated types for google/protobuf/duration.proto. |
| google.golang.org/protobuf/types/known/emptypb | |
| google.golang.org/protobuf/types/known/fieldmaskpb | Package fieldmaskpb contains generated types for google/protobuf/field_mask.proto. |
| google.golang.org/protobuf/types/known/structpb | Package structpb contains generated types for google/protobuf/struct.proto. |
| google.golang.org/protobuf/types/known/timestamppb | Package timestamppb contains generated types for google/protobuf/timestamp.proto. |
| google.golang.org/protobuf/types/known/wrapperspb | |
| 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. |