| bytes | Package bytes implements functions for the manipulation of byte slices. |
| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| 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/cncf/xds/go/udpa/annotations | |
| github.com/envoyproxy/go-control-plane/envoy/annotations | |
| github.com/envoyproxy/go-control-plane/envoy/api/v2/auth | |
| github.com/envoyproxy/go-control-plane/envoy/api/v2/cluster | |
| github.com/envoyproxy/go-control-plane/envoy/api/v2/core | |
| github.com/envoyproxy/go-control-plane/envoy/api/v2/endpoint | |
| github.com/envoyproxy/go-control-plane/envoy/api/v2/listener | |
| github.com/envoyproxy/go-control-plane/envoy/api/v2/route | |
| github.com/envoyproxy/go-control-plane/envoy/config/filter/accesslog/v2 | |
| github.com/envoyproxy/go-control-plane/envoy/config/listener/v2 | |
| github.com/envoyproxy/go-control-plane/envoy/type | |
| github.com/envoyproxy/protoc-gen-validate/validate | |
| google.golang.org/genproto/googleapis/api/annotations | |
| google.golang.org/genproto/googleapis/rpc/status | |
| 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. |
| 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/wrapperspb | |
| net | Package net provides a portable interface for network I/O, including TCP/IP, UDP, domain name resolution, and Unix domain sockets. |
| net/mail | Package mail implements parsing of mail messages. |
| net/url | Package url parses URLs and implements query escaping. |
| reflect | Package reflect implements run-time reflection, allowing a program to manipulate objects with arbitrary types. |
| regexp | Package regexp implements regular expression search. |
| sort | Package sort provides primitives for sorting slices and user-defined collections. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |
| time | Package time provides functionality for measuring and displaying time. |
| unicode/utf8 | Package utf8 implements functions and constants to support text encoded in UTF-8. |