| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/golang/protobuf/proto | Package proto provides functionality for handling protocol buffer messages. |
| 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/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 | |
| math | Package math provides basic constants and mathematical functions. |