ColorMode = enum
  cmMonochrome = "monochrome", cmANSI = "ansi", cmEightBit = "eight-bit",
  cmTrueColor = "true-color"

CookieMode = enum
  cmNone = "false", cmReadOnly = "true", cmSave = "save"

HeadlessMode = enum
  hmFalse = "false", hmTrue = "true", hmDump = "dump"

ImageMode = enum
  imNone = "none", imSixel = "sixel", imKitty = "kitty"

MetaRefresh = enum
  mrAsk = "ask", mrNever = "never", mrAlways = "always"

ScriptingMode = enum
  smFalse = "false", smTrue = "true", smApp = "app"