| 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/cncf/xds/go/xds/data/orca/v3 | |
| google.golang.org/grpc/balancer | Package balancer defines APIs for load balancing in gRPC. |
| google.golang.org/grpc/codes | Package codes defines the canonical error codes used by gRPC. |
| google.golang.org/grpc/connectivity | Package connectivity defines connectivity semantics. |
| google.golang.org/grpc/grpclog | Package grpclog defines logging for grpc. |
| google.golang.org/grpc/internal | Package internal contains gRPC-internal code, to avoid polluting the godoc of the top-level grpc package. |
| google.golang.org/grpc/internal/balancer/gracefulswitch | Package gracefulswitch implements a graceful switch load balancer. |
| 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/pretty | Package pretty defines helper functions to pretty-print structs for logging. |
| google.golang.org/grpc/internal/serviceconfig | Package serviceconfig contains utility functions to parse service config. |
| google.golang.org/grpc/internal/stats | Package stats provides internal stats related functionality. |
| google.golang.org/grpc/internal/wrr | Package wrr contains the interface and common implementations of wrr algorithms. |
| google.golang.org/grpc/internal/xds | Package xds contains methods to Get/Set handshake cluster names. |
| 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/serviceconfig | Package serviceconfig defines types and methods for operating on gRPC service configs. |
| google.golang.org/grpc/status | Package status implements errors returned by gRPC. |
| google.golang.org/grpc/xds/internal | Package internal contains functions/structs shared by xds balancers/resolvers. |
| google.golang.org/grpc/xds/internal/balancer/loadstore | Package loadstore contains the loadStoreWrapper shared by the balancers. |
| 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/lrsclient | Package lrsclient provides an LRS (Load Reporting Service) client. |
| google.golang.org/grpc/xds/internal/xdsclient | Package xdsclient implements a full fledged gRPC client for the xDS API used by the xds resolver and balancer implementations. |
| slices | Package slices defines various functions useful with slices of any type. |
| 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. |