| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/envoyproxy/go-control-plane/envoy/service/status/v3 | |
| google.golang.org/grpc | Package grpc implements an RPC system called gRPC. |
| google.golang.org/grpc/experimental/stats | Package stats contains experimental metrics/stats API's. |
| 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/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/stats | Package stats provides internal stats related functionality. |
| google.golang.org/grpc/internal/xds/bootstrap | Package bootstrap provides the functionality to initialize certain aspects of an xDS client by reading a bootstrap file. |
| google.golang.org/grpc/resolver | Package resolver defines APIs for name resolution in gRPC. |
| google.golang.org/grpc/xds/bootstrap | Package bootstrap provides the functionality to register possible options for aspects of the xDS client through the bootstrap file. |
| google.golang.org/grpc/xds/internal/clients | Package clients provides implementations of the clients to interact with xDS and LRS servers. |
| google.golang.org/grpc/xds/internal/clients/grpctransport | Package grpctransport provides an implementation of the clients.TransportBuilder interface using gRPC. |
| google.golang.org/grpc/xds/internal/clients/lrsclient | Package lrsclient provides an LRS (Load Reporting Service) client. |
| google.golang.org/grpc/xds/internal/clients/xdsclient | Package xdsclient provides an xDS (* Discovery Service) client. |
| google.golang.org/grpc/xds/internal/clients/xdsclient/metrics | Package metrics defines all metrics that can be produced by an xDS client. |
| google.golang.org/grpc/xds/internal/xdsclient/xdsresource | Package xdsresource implements the xDS data model layer. |
| google.golang.org/grpc/xds/internal/xdsclient/xdsresource/version | Package version defines constants to distinguish between supported xDS API versions. |
| google.golang.org/protobuf/proto | Package proto provides functions operating on protocol buffer messages. |
| 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. |