clienv

type Env interface {
	// Args are the arguments, not including the application name or command.
	//
	// Do not modify.
	Args() []string
	// Stdin is the stdin.
	//
	// If no value was passed when the Env was created, this will return io.EOF on any call.
	Stdin() io.Reader
	// Stdout is the stdout.
	//
	// If no value was passed when the Env was created, this will return io.EOF on any call.
	Stdout() io.Writer
	// Stderr is the stderr.
	//
	// If no value was passed when the Env was created, this will return io.EOF on any call.
	Stderr() io.Writer
	// Getenv is the equivalent of os.Getenv.
	Getenv(key string) string
	// WithArgs returns a copy of Env with the replacement args.
	WithArgs(args []string) Env
}