| 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. |
| encoding/json | Package json implements encoding and decoding of JSON as defined in RFC 7159. |
| errors | Package errors implements functions to manipulate errors. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| google.golang.org/grpc/attributes | Package attributes defines a generic key/value store used in various gRPC components. |
| google.golang.org/grpc/balancer | Package balancer defines APIs for load balancing in gRPC. |
| google.golang.org/grpc/balancer/base | Package base defines a balancer base that can be used to build balancers with different picking algorithms. |
| google.golang.org/grpc/balancer/weightedroundrobin | Package weightedroundrobin provides an implementation of the weighted round robin LB policy, as defined in [gRFC A58]. |
| 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/balancer/nop | Package nop implements a balancer with all of its balancer operations as no-ops, other than returning a Transient Failure Picker on a Client Conn update. |
| 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/internal/hierarchy | Package hierarchy contains functions to set and get hierarchy string from addresses. |
| 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/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/xds/internal | Package internal contains functions/structs shared by xds balancers/resolvers. |
| google.golang.org/grpc/xds/internal/balancer/clusterimpl | Package clusterimpl implements the xds_cluster_impl balancing policy. |
| google.golang.org/grpc/xds/internal/balancer/outlierdetection | Package outlierdetection provides an implementation of the outlier detection LB policy, as defined in https://github.com/grpc/proposal/blob/master/A50-xds-outlier-detection.md. |
| google.golang.org/grpc/xds/internal/balancer/priority | Package priority implements the priority balancer. |
| google.golang.org/grpc/xds/internal/balancer/wrrlocality | Package wrrlocality provides an implementation of the wrr locality LB policy, as defined in [A52 - xDS Custom LB Policies]. |
| 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. |
| google.golang.org/grpc/xds/internal/xdsclient/xdsresource | Package xdsresource implements the xDS data model layer. |
| net/url | Package url parses URLs and implements query escaping. |
| sort | Package sort provides primitives for sorting slices and user-defined collections. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |