| 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/envoyproxy/go-control-plane/envoy/api/v2/core | |
| github.com/envoyproxy/go-control-plane/envoy/config/cluster/v3 | |
| github.com/envoyproxy/go-control-plane/envoy/config/core/v3 | |
| github.com/envoyproxy/go-control-plane/envoy/config/endpoint/v3 | |
| github.com/envoyproxy/go-control-plane/envoy/config/listener/v3 | |
| github.com/envoyproxy/go-control-plane/envoy/config/route/v3 | |
| github.com/envoyproxy/go-control-plane/envoy/extensions/filters/network/http_connection_manager/v3 | |
| github.com/envoyproxy/go-control-plane/envoy/extensions/transport_sockets/tls/v3 | |
| github.com/envoyproxy/go-control-plane/envoy/type/v3 | |
| github.com/golang/protobuf/proto | Package proto provides functionality for handling protocol buffer messages. |
| github.com/golang/protobuf/ptypes/any | |
| google.golang.org/grpc | Package grpc implements an RPC system called gRPC. |
| google.golang.org/grpc/grpclog | Package grpclog defines logging for grpc. |
| google.golang.org/grpc/internal/backoff | Package backoff implement the backoff strategy for gRPC. |
| google.golang.org/grpc/internal/buffer | Package buffer provides an implementation of an unbounded buffer. |
| google.golang.org/grpc/internal/grpclog | Package grpclog provides logging functionality for internal gRPC packages, outside of the functionality provided by the external `grpclog` package. |
| google.golang.org/grpc/internal/grpcsync | Package grpcsync implements additional synchronization primitives built upon the sync package. |
| google.golang.org/grpc/keepalive | Package keepalive defines configurable parameters for point-to-point healthcheck. |
| google.golang.org/grpc/xds/internal | Package internal contains functions/structs shared by xds balancers/resolvers. |
| google.golang.org/grpc/xds/internal/client/bootstrap | |
| google.golang.org/grpc/xds/internal/client/load | |
| google.golang.org/grpc/xds/internal/env | |
| google.golang.org/grpc/xds/internal/version | |
| net | Package net provides a portable interface for network I/O, including TCP/IP, UDP, domain name resolution, and Unix domain sockets. |
| 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. |