| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| encoding/json | Package json implements encoding and decoding of JSON as defined in RFC 7159. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/envoyproxy/go-control-plane/envoy/config/listener/v3 | |
| github.com/envoyproxy/go-control-plane/envoy/service/discovery/v3 | |
| github.com/envoyproxy/go-control-plane/pkg/cache/types | |
| github.com/envoyproxy/go-control-plane/pkg/cache/v3 | Package cache defines a configuration cache for the server. |
| github.com/envoyproxy/go-control-plane/pkg/server/v3 | Package server provides an implementation of a streaming xDS server. |
| 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/xds/internal/env | |
| io/ioutil | Package ioutil implements some I/O utility functions. |
| net | Package net provides a portable interface for network I/O, including TCP/IP, UDP, domain name resolution, and Unix domain sockets. |
| os | Package os provides a platform-independent interface to operating system functionality. |
| strconv | Package strconv implements conversions to and from string representations of basic data types. |