type APIServiceConfig struct {
    Endpoint string
    Insecure bool
}

type Client interface {
    // Start starts the client
    Start(context.Context) error
    // Stop stops the client
    Stop(context.Context) error
    // Config returns the config of the client
    Config() config.Config
    // APIServiceClient returns an API service client
    APIServiceClient(APIServiceConfig) (iotexapi.APIServiceClient, error)
    // SelectTranslation select a translation based on UILanguage
    SelectTranslation(map[config.Language]string) (string, config.Language)
    // AskToConfirm asks user to confirm from terminal, true to continue
    AskToConfirm() bool
    // ReadSecret reads password from terminal
    ReadSecret() (string, error)
    // Execute a bash command
    Execute(string) error
    // doing
    GetAddress(in string) (string, error)
    // doing
    Address(in string) (string, error)
    // doing
    NewKeyStore(string, int, int) *keystore.KeyStore
}