func (c ColorLevel) ChromaFormatterName() string {
	switch c {
	case ColorLevelBasic:
		return "terminal"
	case ColorLevelHundreds:
		return "terminal256"
	case ColorLevelMillions:
		return "terminal16m"
	}
	return "noop"
}
ChromaFormatterName returns the github.com/alecthomas/chroma compatible
formatter name for the color level.
package terminfo
import (
	"os"
	"strconv"
	"strings"
)
type ColorLevel uint
const (
	ColorLevelNone ColorLevel = iota
	ColorLevelBasic
	ColorLevelHundreds
	ColorLevelMillions
)
func (c ColorLevel) String() string {
	switch c {
	case ColorLevelBasic:
		return "basic"
	case ColorLevelHundreds:
		return "hundreds"
	case ColorLevelMillions:
		return "millions"
	}
	return "none"
}