json/encode.go
func NewPrettyStreamEncoder(w io.Writer) *objconv.StreamEncoder {
	return objconv.NewStreamEncoder(NewPrettyEmitter(w))
}
func NewPrettyStreamEncoder(w io.Writer) *objconv.StreamEncoder {
	return objconv.NewStreamEncoder(NewPrettyEmitter(w))
}
// NewPrettyStreamEncoder returns a new JSON stream encoder that writes to w.