Imports github.com/micro-in-cn/tutorials/examples/micro-api/rpc/proto github.com/micro/go-micro/v2 github.com/micro/go-micro/v2/client github.com/micro/go-micro/v2/client/grpc github.com/micro/go-micro/v2/errors github.com/micro/go-micro/v2/logger Standard library imports context encoding/json time