| 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/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/pickfirst | Package pickfirst contains the pick_first load balancing policy. |
| google.golang.org/grpc/balancer/pickfirst/pickfirstleaf | Package pickfirstleaf contains the pick_first load balancing policy which will be the universal leaf policy after dualstack changes are implemented. |
| google.golang.org/grpc/connectivity | Package connectivity defines connectivity semantics. |
| google.golang.org/grpc/internal/balancer/gracefulswitch | Package gracefulswitch implements a graceful switch load balancer. |
| google.golang.org/grpc/internal/envconfig | Package envconfig contains grpc settings configured by environment variables. |
| 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. |
| math/rand/v2 | Package rand implements pseudo-random number generators suitable for tasks such as simulation, but it should not be used for security-sensitive work. |
| 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. |