type NumericKeypadKeys =
  | "Decimal"
  | "Key11"
  | "Key12"
  | "Multiply"
  | "Add"
  | "Clear"
  | "Divide"
  | "Subtract"
  | "Separator"
  | "0"
  | "1"
  | "2"
  | "3"
  | "4"
  | "5"
  | "6"
  | "7"
  | "8"
  | "9";
type UpperAlpha =
  | "A"
  | "B"
  | "C"
  | "D"
  | "E"
  | "F"
  | "G"
  | "H"
  | "I"
  | "J"
  | "K"
  | "L"
  | "M"
  | "N"
  | "O"
  | "P"
  | "Q"
  | "R"
  | "S"
  | "T"
  | "U"
  | "V"
  | "W"
  | "X"
  | "Y"
  | "Z";
type LowerAlpha =
  | "a"
  | "b"
  | "c"
  | "d"
  | "e"
  | "f"
  | "g"
  | "h"
  | "i"
  | "j"
  | "k"
  | "l"
  | "m"
  | "n"
  | "o"
  | "p"
  | "q"
  | "r"
  | "s"
  | "t"
  | "u"
  | "v"
  | "w"
  | "x"
  | "y"
  | "z";
type ModifierKeys =
  | "Alt"
  | "AltGraph"
  | "CapsLock"
  | "Control"
  | "Fn"
  | "FnLock"
  | "Hyper"
  | "Meta"
  | "NumLock"
  | "ScrollLock"
  | "Shift"
  | "Super"
  | "Symbol"
  | "SymbolLock";
type WhitespaceKeys = "Enter" | "Tab" | " ";
type NavigationKeys =
  | "ArrowDown"
  | "ArrowLeft"
  | "ArrowRight"
  | "ArrowUp"
  | "End"
  | "Home"
  | "PageDown"
  | "PageUp";
type EditingKeys =
  | "Backspace"
  | "Clear"
  | "Copy"
  | "CrSel"
  | "Cut"
  | "Delete"
  | "EraseEof"
  | "ExSel"
  | "Insert"
  | "Paste"
  | "Redo"
  | "Undo";
type UIKeys =
  | "Accept"
  | "Again"
  | "Attn"
  | "Cancel"
  | "ContextMenu"
  | "Escape"
  | "Execute"
  | "Find"
  | "Finish"
  | "Help"
  | "Pause"
  | "Play"
  | "Props"
  | "Select"
  | "ZoomIn"
  | "ZoomOut";
type DeviceKeys =
  | "BrightnessDown"
  | "BrightnessUp"
  | "Eject"
  | "LogOff"
  | "Power"
  | "PowerOff"
  | "PrintScreen"
  | "Hibernate"
  | "Standby"
  | "WakeUp";
type IMECompositionKeys =
  | "AllCandidates"
  | "Alphanumeric"
  | "CodeInput"
  | "Compose"
  | "Convert"
  | "Dead"
  | "FinalMode"
  | "GroupFirst"
  | "GroupLast"
  | "GroupNext"
  | "GroupPrevious"
  | "ModeChange"
  | "NextCandidate"
  | "NonConvert"
  | "PreviousCandidate"
  | "Process"
  | "SingleCandidate";
type LinuxDeadKeys =
  | "GDK_KEY_dead_grave"
  | "GDK_KEY_dead_acute"
  | "GDK_KEY_dead_circumflex"
  | "GDK_KEY_dead_tilde"
  | "GDK_KEY_dead_perispomeni"
  | "GDK_KEY_dead_macron"
  | "GDK_KEY_dead_breve"
  | "GDK_KEY_dead_abovedot"
  | "GDK_KEY_dead_diaeresis"
  | "GDK_KEY_dead_abovering"
  | "GDK_KEY_dead_doubleacute"
  | "GDK_KEY_dead_caron"
  | "GDK_KEY_dead_cedilla"
  | "GDK_KEY_dead_ogonek"
  | "GDK_KEY_dead_iota"
  | "GDK_KEY_dead_voiced_sound"
  | "GDK_KEY_dead_semivoiced_sound"
  | "GDK_KEY_dead_belowdot"
  | "GDK_KEY_dead_hook"
  | "GDK_KEY_dead_horn"
  | "GDK_KEY_dead_stroke"
  | "GDK_KEY_dead_abovecomma"
  | "GDK_KEY_dead_psili"
  | "GDK_KEY_dead_abovereversedcomma"
  | "GDK_KEY_dead_dasia"
  | "GDK_KEY_dead_doublegrave"
  | "GDK_KEY_dead_belowring"
  | "GDK_KEY_dead_belowmacron"
  | "GDK_KEY_dead_belowcircumflex"
  | "GDK_KEY_dead_belowtilde"
  | "GDK_KEY_dead_belowbreve"
  | "GDK_KEY_dead_belowdiaeresis"
  | "GDK_KEY_dead_invertedbreve"
  | "GDK_KEY_dead_belowcomma"
  | "GDK_KEY_dead_currency"
  | "GDK_KEY_dead_a"
  | "GDK_KEY_dead_A"
  | "GDK_KEY_dead_e"
  | "GDK_KEY_dead_E"
  | "GDK_KEY_dead_i"
  | "GDK_KEY_dead_I"
  | "GDK_KEY_dead_o"
  | "GDK_KEY_dead_O"
  | "GDK_KEY_dead_u"
  | "GDK_KEY_dead_U"
  | "GDK_KEY_dead_small_schwa"
  | "GDK_KEY_dead_capital_schwa"
  | "GDK_KEY_dead_greek";
type FunctionKeys =
  | "F1"
  | "F2"
  | "F3"
  | "F4"
  | "F5"
  | "F6"
  | "F7"
  | "F8"
  | "F9"
  | "F10"
  | "F11"
  | "F12"
  | "F13"
  | "F14"
  | "F15"
  | "F16"
  | "F17"
  | "F18"
  | "F19"
  | "F20"
  | "Soft1"
  | "Soft2"
  | "Soft3"
  | "Soft4";
type PhoneKeys =
  | "AppSwitch"
  | "Call"
  | "Camera"
  | "CameraFocus"
  | "EndCall"
  | "GoBack"
  | "GoHome"
  | "HeadsetHook"
  | "LastNumberRedial"
  | "Notification"
  | "MannerMode"
  | "VoiceDial";
type MultimediaKeys =
  | "ChannelDown"
  | "ChannelUp"
  | "MediaFastForward"
  | "MediaPause"
  | "MediaPlay"
  | "MediaPlayPause"
  | "MediaRecord"
  | "MediaRewind"
  | "MediaStop"
  | "MediaTrackNext"
  | "MediaTrackPrevious";
type TVControlKeys =
  | "TV"
  | "TV3DMode"
  | "TVAntennaCable"
  | "TVAudioDescription"
  | "TVAudioDescriptionMixDown"
  | "TVAudioDescriptionMixUp"
  | "TVContentsMenu"
  | "TVDataService"
  | "TVInput"
  | "TVInputComponent1"
  | "TVInputComponent2"
  | "TVInputComposite1"
  | "TVInputComposite2"
  | "TVInputHDMI1"
  | "TVInputHDMI2"
  | "TVInputHDMI3"
  | "TVInputHDMI4"
  | "TVInputVGA1"
  | "TVMediaContext"
  | "TVNetwork"
  | "TVNumberEntry"
  | "TVPower"
  | "TVRadioService"
  | "TVSatellite"
  | "TVSatelliteBS"
  | "TVSatelliteCS"
  | "TVSatelliteToggle"
  | "TVTerrestrialAnalog"
  | "TVTerrestrialDigital"
  | "TVTimer";
type MediaControllerKeys =
  | "AVRInput"
  | "AVRPower"
  | "ColorF0Red"
  | "ColorF1Green"
  | "ColorF2Yellow"
  | "ColorF3Blue"
  | "ColorF4Grey"
  | "ColorF5Brown"
  | "ClosedCaptionToggle"
  | "Dimmer"
  | "DisplaySwap"
  | "DVR"
  | "Exit"
  | "FavoriteClear0"
  | "FavoriteClear1"
  | "FavoriteClear2"
  | "FavoriteClear3"
  | "FavoriteRecall0"
  | "FavoriteRecall1"
  | "FavoriteRecall2"
  | "FavoriteRecall3"
  | "FavoriteStore0"
  | "FavoriteStore1"
  | "FavoriteStore2"
  | "FavoriteStore3"
  | "Guide"
  | "GuideNextDay"
  | "GuidePreviousDay"
  | "Info"
  | "InstantReplay"
  | "Link"
  | "ListProgram"
  | "LiveContent"
  | "Lock"
  | "MediaApps"
  | "MediaAudioTrack"
  | "MediaLast"
  | "MediaSkipBackward"
  | "MediaSkipForward"
  | "MediaStepBackward"
  | "MediaStepForward"
  | "MediaTopMenu"
  | "NavigateIn"
  | "NavigateNext"
  | "NavigateOut"
  | "NavigatePrevious"
  | "NextFavoriteChannel"
  | "NextUserProfile"
  | "OnDemand"
  | "Pairing"
  | "PinPDown"
  | "PinPMove"
  | "PinPToggle"
  | "PinPUp"
  | "PlaySpeedDown"
  | "PlaySpeedReset"
  | "PlaySpeedUp"
  | "RandomToggle"
  | "RcLowBattery"
  | "RecordSpeedNext"
  | "RfBypass"
  | "ScanChannelsToggle"
  | "ScreenModeNext"
  | "Settings"
  | "SplitScreenToggle"
  | "STBInput"
  | "STBPower"
  | "Subtitle"
  | "Teletext"
  | "VideoModeNext"
  | "Wink"
  | "ZoomToggle";
type SpeechRecognitionKeys = "SpeechCorrectionList" | "SpeechInputToggle";
type DocumentKeys =
  | "Close"
  | "New"
  | "Open"
  | "Print"
  | "Save"
  | "SpellCheck"
  | "MailForward"
  | "MailReply"
  | "MailSend";
type ApplicationSelectorKeys =
  | "LaunchCalculator"
  | "LaunchCalendar"
  | "LaunchContacts"
  | "LaunchMail"
  | "LaunchMediaPlayer"
  | "LaunchMusicPlayer"
  | "LaunchMyComputer"
  | "LaunchPhone"
  | "LaunchScreenSaver"
  | "LaunchSpreadsheet"
  | "LaunchWebBrowser"
  | "LaunchWebCam"
  | "LaunchWordProcessor"
  | "LaunchApplication1"
  | "LaunchApplication2"
  | "LaunchApplication3"
  | "LaunchApplication4"
  | "LaunchApplication5"
  | "LaunchApplication6"
  | "LaunchApplication7"
  | "LaunchApplication8"
  | "LaunchApplication9"
  | "LaunchApplication10"
  | "LaunchApplication11"
  | "LaunchApplication12"
  | "LaunchApplication13"
  | "LaunchApplication14"
  | "LaunchApplication15"
  | "LaunchApplication16";
type BrowserControlKeys =
  | "BrowserBack"
  | "BrowserFavorites"
  | "BrowserForward"
  | "BrowserHome"
  | "BrowserRefresh"
  | "BrowserSearch"
  | "BrowserStop";
type KoreanKeyboardsOnly = "HangulMode" | "HanjaMode" | "JunjaMode";

/**
 * @deprecated use " " instead
 */
type DeprecatedWhitespaceKey = "Spacebar";
type SpecialValueKey = "Unidentified";
type CustomValueKey = string;

/**
 * @link https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/key/Key_Values#editing_keys
 * The types are the standard key values that can be in `event.key` (`KeyboardEvent.key`).
 *
 * This version of the type is strictly typed and does not permit custom keys.
 * @see KeyboardEventKey
 *
 * @example
 *   const actionKey: KnownKeyboardEventKey = "ArrowUp"; //<- IntelliSense
 *   const invalidKey: KnownKeyboardEventKey = "InvalidKey"; //<- Error
 */
export declare type KnownKeyboardEventKey =
  | DeprecatedWhitespaceKey
  | SpecialValueKey
  | ModifierKeys
  | WhitespaceKeys
  | NavigationKeys
  | EditingKeys
  | UIKeys
  | DeviceKeys
  | IMECompositionKeys
  | LinuxDeadKeys
  | FunctionKeys
  | PhoneKeys
  | MultimediaKeys
  | TVControlKeys
  | MediaControllerKeys
  | SpeechRecognitionKeys
  | DocumentKeys
  | ApplicationSelectorKeys
  | BrowserControlKeys
  | NumericKeypadKeys
  | UpperAlpha
  | LowerAlpha
  | KoreanKeyboardsOnly;

/**
 * @link https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/key/Key_Values#editing_keys
 * The types are the standard key values that can be in `event.key` (`KeyboardEvent.key`).
 *
 * This version of the type is strictly typed and does not permit custom keys.
 * @see KeyboardEventKey
 *
 * @example
 *   const actionKey: KeyboardEventKey = "ArrowUp"; //<- IntelliSense
 *   const customKey: KeyboardEventKey = "CustomKey"; //<- Permitted
 */
export declare type KeyboardEventKey =
  | KnownKeyboardEventKey
  | ({} & CustomValueKey);