Adding upstream version 110.0.1.upstream/110.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 2687 insertions, 0 deletions

diff --git a/testing/web-platform/tests/interfaces/html.idl b/testing/web-platform/tests/interfaces/html.idl
new file mode 100644
index 0000000000..70eb5eff76
--- /dev/null
+++ b/testing/web-platform/tests/interfaces/html.idl
@@ -0,0 +1,2687 @@
+// GENERATED CONTENT - DO NOT EDIT
+// Content was automatically extracted by Reffy into webref
+// (https://github.com/w3c/webref)
+// Source: HTML Standard (https://html.spec.whatwg.org/multipage/)
+
+[Exposed=Window,
+ LegacyUnenumerableNamedProperties]
+interface HTMLAllCollection {
+  readonly attribute unsigned long length;
+  getter Element (unsigned long index);
+  getter (HTMLCollection or Element)? namedItem(DOMString name);
+  (HTMLCollection or Element)? item(optional DOMString nameOrIndex);
+
+  // Note: HTMLAllCollection objects have a custom [[Call]] internal method and an [[IsHTMLDDA]] internal slot.
+};
+
+[Exposed=Window]
+interface HTMLFormControlsCollection : HTMLCollection {
+  // inherits length and item()
+  getter (RadioNodeList or Element)? namedItem(DOMString name); // shadows inherited namedItem()
+};
+
+[Exposed=Window]
+interface RadioNodeList : NodeList {
+  attribute DOMString value;
+};
+
+[Exposed=Window]
+interface HTMLOptionsCollection : HTMLCollection {
+  // inherits item(), namedItem()
+  [CEReactions] attribute unsigned long length; // shadows inherited length
+  [CEReactions] setter undefined (unsigned long index, HTMLOptionElement? option);
+  [CEReactions] undefined add((HTMLOptionElement or HTMLOptGroupElement) element, optional (HTMLElement or long)? before = null);
+  [CEReactions] undefined remove(long index);
+  attribute long selectedIndex;
+};
+
+[Exposed=(Window,Worker)]
+interface DOMStringList {
+  readonly attribute unsigned long length;
+  getter DOMString? item(unsigned long index);
+  boolean contains(DOMString string);
+};
+
+enum DocumentReadyState { "loading", "interactive", "complete" };
+enum DocumentVisibilityState { "visible", "hidden" };
+typedef (HTMLScriptElement or SVGScriptElement) HTMLOrSVGScriptElement;
+
+[LegacyOverrideBuiltIns]
+partial interface Document {
+  // resource metadata management
+  [PutForwards=href, LegacyUnforgeable] readonly attribute Location? location;
+  attribute USVString domain;
+  readonly attribute USVString referrer;
+  attribute USVString cookie;
+  readonly attribute DOMString lastModified;
+  readonly attribute DocumentReadyState readyState;
+
+  // DOM tree accessors
+  getter object (DOMString name);
+  [CEReactions] attribute DOMString title;
+  [CEReactions] attribute DOMString dir;
+  [CEReactions] attribute HTMLElement? body;
+  readonly attribute HTMLHeadElement? head;
+  [SameObject] readonly attribute HTMLCollection images;
+  [SameObject] readonly attribute HTMLCollection embeds;
+  [SameObject] readonly attribute HTMLCollection plugins;
+  [SameObject] readonly attribute HTMLCollection links;
+  [SameObject] readonly attribute HTMLCollection forms;
+  [SameObject] readonly attribute HTMLCollection scripts;
+  NodeList getElementsByName(DOMString elementName);
+  readonly attribute HTMLOrSVGScriptElement? currentScript; // classic scripts in a document tree only
+
+  // dynamic markup insertion
+  [CEReactions] Document open(optional DOMString unused1, optional DOMString unused2); // both arguments are ignored
+  WindowProxy? open(USVString url, DOMString name, DOMString features);
+  [CEReactions] undefined close();
+  [CEReactions] undefined write(DOMString... text);
+  [CEReactions] undefined writeln(DOMString... text);
+
+  // user interaction
+  readonly attribute WindowProxy? defaultView;
+  boolean hasFocus();
+  [CEReactions] attribute DOMString designMode;
+  [CEReactions] boolean execCommand(DOMString commandId, optional boolean showUI = false, optional DOMString value = "");
+  boolean queryCommandEnabled(DOMString commandId);
+  boolean queryCommandIndeterm(DOMString commandId);
+  boolean queryCommandState(DOMString commandId);
+  boolean queryCommandSupported(DOMString commandId);
+  DOMString queryCommandValue(DOMString commandId);
+  readonly attribute boolean hidden;
+  readonly attribute DocumentVisibilityState visibilityState;
+
+  // special event handler IDL attributes that only apply to Document objects
+  [LegacyLenientThis] attribute EventHandler onreadystatechange;
+  attribute EventHandler onvisibilitychange;
+
+  // also has obsolete members
+};
+Document includes GlobalEventHandlers;
+
+partial interface mixin DocumentOrShadowRoot {
+  readonly attribute Element? activeElement;
+};
+
+[Exposed=Window]
+interface HTMLElement : Element {
+  [HTMLConstructor] constructor();
+
+  // metadata attributes
+  [CEReactions] attribute DOMString title;
+  [CEReactions] attribute DOMString lang;
+  [CEReactions] attribute boolean translate;
+  [CEReactions] attribute DOMString dir;
+
+  // user interaction
+  [CEReactions] attribute (boolean or unrestricted double or DOMString)? hidden;
+  [CEReactions] attribute boolean inert;
+  undefined click();
+  [CEReactions] attribute DOMString accessKey;
+  readonly attribute DOMString accessKeyLabel;
+  [CEReactions] attribute boolean draggable;
+  [CEReactions] attribute boolean spellcheck;
+  [CEReactions] attribute DOMString autocapitalize;
+
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString innerText;
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString outerText;
+
+  ElementInternals attachInternals();
+};
+
+HTMLElement includes GlobalEventHandlers;
+HTMLElement includes ElementContentEditable;
+HTMLElement includes HTMLOrSVGElement;
+
+[Exposed=Window]
+interface HTMLUnknownElement : HTMLElement {
+  // Note: intentionally no [HTMLConstructor]
+};
+
+interface mixin HTMLOrSVGElement {
+  [SameObject] readonly attribute DOMStringMap dataset;
+  attribute DOMString nonce; // intentionally no [CEReactions]
+
+  [CEReactions] attribute boolean autofocus;
+  [CEReactions] attribute long tabIndex;
+  undefined focus(optional FocusOptions options = {});
+  undefined blur();
+};
+
+[Exposed=Window,
+ LegacyOverrideBuiltIns]
+interface DOMStringMap {
+  getter DOMString (DOMString name);
+  [CEReactions] setter undefined (DOMString name, DOMString value);
+  [CEReactions] deleter undefined (DOMString name);
+};
+
+[Exposed=Window]
+interface HTMLHtmlElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLHeadElement : HTMLElement {
+  [HTMLConstructor] constructor();
+};
+
+[Exposed=Window]
+interface HTMLTitleElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString text;
+};
+
+[Exposed=Window]
+interface HTMLBaseElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute USVString href;
+  [CEReactions] attribute DOMString target;
+};
+
+[Exposed=Window]
+interface HTMLLinkElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute USVString href;
+  [CEReactions] attribute DOMString? crossOrigin;
+  [CEReactions] attribute DOMString rel;
+  [CEReactions] attribute DOMString as;
+  [SameObject, PutForwards=value] readonly attribute DOMTokenList relList;
+  [CEReactions] attribute DOMString media;
+  [CEReactions] attribute DOMString integrity;
+  [CEReactions] attribute DOMString hreflang;
+  [CEReactions] attribute DOMString type;
+  [SameObject, PutForwards=value] readonly attribute DOMTokenList sizes;
+  [CEReactions] attribute USVString imageSrcset;
+  [CEReactions] attribute DOMString imageSizes;
+  [CEReactions] attribute DOMString referrerPolicy;
+  [SameObject, PutForwards=value] readonly attribute DOMTokenList blocking;
+  [CEReactions] attribute boolean disabled;
+
+  // also has obsolete members
+};
+HTMLLinkElement includes LinkStyle;
+
+[Exposed=Window]
+interface HTMLMetaElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString name;
+  [CEReactions] attribute DOMString httpEquiv;
+  [CEReactions] attribute DOMString content;
+  [CEReactions] attribute DOMString media;
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLStyleElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  attribute boolean disabled;
+  [CEReactions] attribute DOMString media;
+  [SameObject, PutForwards=value] readonly attribute DOMTokenList blocking;
+
+  // also has obsolete members
+};
+HTMLStyleElement includes LinkStyle;
+
+[Exposed=Window]
+interface HTMLBodyElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  // also has obsolete members
+};
+
+HTMLBodyElement includes WindowEventHandlers;
+
+[Exposed=Window]
+interface HTMLHeadingElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLParagraphElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLHRElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLPreElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLQuoteElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute USVString cite;
+};
+
+[Exposed=Window]
+interface HTMLOListElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute boolean reversed;
+  [CEReactions] attribute long start;
+  [CEReactions] attribute DOMString type;
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLUListElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLMenuElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLLIElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute long value;
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLDListElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLDivElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLAnchorElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString target;
+  [CEReactions] attribute DOMString download;
+  [CEReactions] attribute USVString ping;
+  [CEReactions] attribute DOMString rel;
+  [SameObject, PutForwards=value] readonly attribute DOMTokenList relList;
+  [CEReactions] attribute DOMString hreflang;
+  [CEReactions] attribute DOMString type;
+
+  [CEReactions] attribute DOMString text;
+
+  [CEReactions] attribute DOMString referrerPolicy;
+
+  // also has obsolete members
+};
+HTMLAnchorElement includes HTMLHyperlinkElementUtils;
+
+[Exposed=Window]
+interface HTMLDataElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString value;
+};
+
+[Exposed=Window]
+interface HTMLTimeElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString dateTime;
+};
+
+[Exposed=Window]
+interface HTMLSpanElement : HTMLElement {
+  [HTMLConstructor] constructor();
+};
+
+[Exposed=Window]
+interface HTMLBRElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  // also has obsolete members
+};
+
+interface mixin HTMLHyperlinkElementUtils {
+  [CEReactions] stringifier attribute USVString href;
+  readonly attribute USVString origin;
+  [CEReactions] attribute USVString protocol;
+  [CEReactions] attribute USVString username;
+  [CEReactions] attribute USVString password;
+  [CEReactions] attribute USVString host;
+  [CEReactions] attribute USVString hostname;
+  [CEReactions] attribute USVString port;
+  [CEReactions] attribute USVString pathname;
+  [CEReactions] attribute USVString search;
+  [CEReactions] attribute USVString hash;
+};
+
+[Exposed=Window]
+interface HTMLModElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute USVString cite;
+  [CEReactions] attribute DOMString dateTime;
+};
+
+[Exposed=Window]
+interface HTMLPictureElement : HTMLElement {
+  [HTMLConstructor] constructor();
+};
+
+[Exposed=Window]
+interface HTMLSourceElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute USVString src;
+  [CEReactions] attribute DOMString type;
+  [CEReactions] attribute USVString srcset;
+  [CEReactions] attribute DOMString sizes;
+  [CEReactions] attribute DOMString media;
+  [CEReactions] attribute unsigned long width;
+  [CEReactions] attribute unsigned long height;
+};
+
+[Exposed=Window,
+ LegacyFactoryFunction=Image(optional unsigned long width, optional unsigned long height)]
+interface HTMLImageElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString alt;
+  [CEReactions] attribute USVString src;
+  [CEReactions] attribute USVString srcset;
+  [CEReactions] attribute DOMString sizes;
+  [CEReactions] attribute DOMString? crossOrigin;
+  [CEReactions] attribute DOMString useMap;
+  [CEReactions] attribute boolean isMap;
+  [CEReactions] attribute unsigned long width;
+  [CEReactions] attribute unsigned long height;
+  readonly attribute unsigned long naturalWidth;
+  readonly attribute unsigned long naturalHeight;
+  readonly attribute boolean complete;
+  readonly attribute USVString currentSrc;
+  [CEReactions] attribute DOMString referrerPolicy;
+  [CEReactions] attribute DOMString decoding;
+  [CEReactions] attribute DOMString loading;
+
+  Promise<undefined> decode();
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLIFrameElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute USVString src;
+  [CEReactions] attribute DOMString srcdoc;
+  [CEReactions] attribute DOMString name;
+  [SameObject, PutForwards=value] readonly attribute DOMTokenList sandbox;
+  [CEReactions] attribute DOMString allow;
+  [CEReactions] attribute boolean allowFullscreen;
+  [CEReactions] attribute DOMString width;
+  [CEReactions] attribute DOMString height;
+  [CEReactions] attribute DOMString referrerPolicy;
+  [CEReactions] attribute DOMString loading;
+  readonly attribute Document? contentDocument;
+  readonly attribute WindowProxy? contentWindow;
+  Document? getSVGDocument();
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLEmbedElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute USVString src;
+  [CEReactions] attribute DOMString type;
+  [CEReactions] attribute DOMString width;
+  [CEReactions] attribute DOMString height;
+  Document? getSVGDocument();
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLObjectElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute USVString data;
+  [CEReactions] attribute DOMString type;
+  [CEReactions] attribute DOMString name;
+  readonly attribute HTMLFormElement? form;
+  [CEReactions] attribute DOMString width;
+  [CEReactions] attribute DOMString height;
+  readonly attribute Document? contentDocument;
+  readonly attribute WindowProxy? contentWindow;
+  Document? getSVGDocument();
+
+  readonly attribute boolean willValidate;
+  readonly attribute ValidityState validity;
+  readonly attribute DOMString validationMessage;
+  boolean checkValidity();
+  boolean reportValidity();
+  undefined setCustomValidity(DOMString error);
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLVideoElement : HTMLMediaElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute unsigned long width;
+  [CEReactions] attribute unsigned long height;
+  readonly attribute unsigned long videoWidth;
+  readonly attribute unsigned long videoHeight;
+  [CEReactions] attribute USVString poster;
+  [CEReactions] attribute boolean playsInline;
+};
+
+[Exposed=Window,
+ LegacyFactoryFunction=Audio(optional DOMString src)]
+interface HTMLAudioElement : HTMLMediaElement {
+  [HTMLConstructor] constructor();
+};
+
+[Exposed=Window]
+interface HTMLTrackElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString kind;
+  [CEReactions] attribute USVString src;
+  [CEReactions] attribute DOMString srclang;
+  [CEReactions] attribute DOMString label;
+  [CEReactions] attribute boolean default;
+
+  const unsigned short NONE = 0;
+  const unsigned short LOADING = 1;
+  const unsigned short LOADED = 2;
+  const unsigned short ERROR = 3;
+  readonly attribute unsigned short readyState;
+
+  readonly attribute TextTrack track;
+};
+
+enum CanPlayTypeResult { "" /* empty string */, "maybe", "probably" };
+typedef (MediaStream or MediaSource or Blob) MediaProvider;
+
+[Exposed=Window]
+interface HTMLMediaElement : HTMLElement {
+
+  // error state
+  readonly attribute MediaError? error;
+
+  // network state
+  [CEReactions] attribute USVString src;
+  attribute MediaProvider? srcObject;
+  readonly attribute USVString currentSrc;
+  [CEReactions] attribute DOMString? crossOrigin;
+  const unsigned short NETWORK_EMPTY = 0;
+  const unsigned short NETWORK_IDLE = 1;
+  const unsigned short NETWORK_LOADING = 2;
+  const unsigned short NETWORK_NO_SOURCE = 3;
+  readonly attribute unsigned short networkState;
+  [CEReactions] attribute DOMString preload;
+  readonly attribute TimeRanges buffered;
+  undefined load();
+  CanPlayTypeResult canPlayType(DOMString type);
+
+  // ready state
+  const unsigned short HAVE_NOTHING = 0;
+  const unsigned short HAVE_METADATA = 1;
+  const unsigned short HAVE_CURRENT_DATA = 2;
+  const unsigned short HAVE_FUTURE_DATA = 3;
+  const unsigned short HAVE_ENOUGH_DATA = 4;
+  readonly attribute unsigned short readyState;
+  readonly attribute boolean seeking;
+
+  // playback state
+  attribute double currentTime;
+  undefined fastSeek(double time);
+  readonly attribute unrestricted double duration;
+  object getStartDate();
+  readonly attribute boolean paused;
+  attribute double defaultPlaybackRate;
+  attribute double playbackRate;
+  attribute boolean preservesPitch;
+  readonly attribute TimeRanges played;
+  readonly attribute TimeRanges seekable;
+  readonly attribute boolean ended;
+  [CEReactions] attribute boolean autoplay;
+  [CEReactions] attribute boolean loop;
+  Promise<undefined> play();
+  undefined pause();
+
+  // controls
+  [CEReactions] attribute boolean controls;
+  attribute double volume;
+  attribute boolean muted;
+  [CEReactions] attribute boolean defaultMuted;
+
+  // tracks
+  [SameObject] readonly attribute AudioTrackList audioTracks;
+  [SameObject] readonly attribute VideoTrackList videoTracks;
+  [SameObject] readonly attribute TextTrackList textTracks;
+  TextTrack addTextTrack(TextTrackKind kind, optional DOMString label = "", optional DOMString language = "");
+};
+
+[Exposed=Window]
+interface MediaError {
+  const unsigned short MEDIA_ERR_ABORTED = 1;
+  const unsigned short MEDIA_ERR_NETWORK = 2;
+  const unsigned short MEDIA_ERR_DECODE = 3;
+  const unsigned short MEDIA_ERR_SRC_NOT_SUPPORTED = 4;
+
+  readonly attribute unsigned short code;
+  readonly attribute DOMString message;
+};
+
+[Exposed=Window]
+interface AudioTrackList : EventTarget {
+  readonly attribute unsigned long length;
+  getter AudioTrack (unsigned long index);
+  AudioTrack? getTrackById(DOMString id);
+
+  attribute EventHandler onchange;
+  attribute EventHandler onaddtrack;
+  attribute EventHandler onremovetrack;
+};
+
+[Exposed=Window]
+interface AudioTrack {
+  readonly attribute DOMString id;
+  readonly attribute DOMString kind;
+  readonly attribute DOMString label;
+  readonly attribute DOMString language;
+  attribute boolean enabled;
+};
+
+[Exposed=Window]
+interface VideoTrackList : EventTarget {
+  readonly attribute unsigned long length;
+  getter VideoTrack (unsigned long index);
+  VideoTrack? getTrackById(DOMString id);
+  readonly attribute long selectedIndex;
+
+  attribute EventHandler onchange;
+  attribute EventHandler onaddtrack;
+  attribute EventHandler onremovetrack;
+};
+
+[Exposed=Window]
+interface VideoTrack {
+  readonly attribute DOMString id;
+  readonly attribute DOMString kind;
+  readonly attribute DOMString label;
+  readonly attribute DOMString language;
+  attribute boolean selected;
+};
+
+[Exposed=Window]
+interface TextTrackList : EventTarget {
+  readonly attribute unsigned long length;
+  getter TextTrack (unsigned long index);
+  TextTrack? getTrackById(DOMString id);
+
+  attribute EventHandler onchange;
+  attribute EventHandler onaddtrack;
+  attribute EventHandler onremovetrack;
+};
+
+enum TextTrackMode { "disabled",  "hidden",  "showing" };
+enum TextTrackKind { "subtitles",  "captions",  "descriptions",  "chapters",  "metadata" };
+
+[Exposed=Window]
+interface TextTrack : EventTarget {
+  readonly attribute TextTrackKind kind;
+  readonly attribute DOMString label;
+  readonly attribute DOMString language;
+
+  readonly attribute DOMString id;
+  readonly attribute DOMString inBandMetadataTrackDispatchType;
+
+  attribute TextTrackMode mode;
+
+  readonly attribute TextTrackCueList? cues;
+  readonly attribute TextTrackCueList? activeCues;
+
+  undefined addCue(TextTrackCue cue);
+  undefined removeCue(TextTrackCue cue);
+
+  attribute EventHandler oncuechange;
+};
+
+[Exposed=Window]
+interface TextTrackCueList {
+  readonly attribute unsigned long length;
+  getter TextTrackCue (unsigned long index);
+  TextTrackCue? getCueById(DOMString id);
+};
+
+[Exposed=Window]
+interface TextTrackCue : EventTarget {
+  readonly attribute TextTrack? track;
+
+  attribute DOMString id;
+  attribute double startTime;
+  attribute unrestricted double endTime;
+  attribute boolean pauseOnExit;
+
+  attribute EventHandler onenter;
+  attribute EventHandler onexit;
+};
+
+[Exposed=Window]
+interface TimeRanges {
+  readonly attribute unsigned long length;
+  double start(unsigned long index);
+  double end(unsigned long index);
+};
+
+[Exposed=Window]
+interface TrackEvent : Event {
+  constructor(DOMString type, optional TrackEventInit eventInitDict = {});
+
+  readonly attribute (VideoTrack or AudioTrack or TextTrack)? track;
+};
+
+dictionary TrackEventInit : EventInit {
+  (VideoTrack or AudioTrack or TextTrack)? track = null;
+};
+
+[Exposed=Window]
+interface HTMLMapElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString name;
+  [SameObject] readonly attribute HTMLCollection areas;
+};
+
+[Exposed=Window]
+interface HTMLAreaElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString alt;
+  [CEReactions] attribute DOMString coords;
+  [CEReactions] attribute DOMString shape;
+  [CEReactions] attribute DOMString target;
+  [CEReactions] attribute DOMString download;
+  [CEReactions] attribute USVString ping;
+  [CEReactions] attribute DOMString rel;
+  [SameObject, PutForwards=value] readonly attribute DOMTokenList relList;
+  [CEReactions] attribute DOMString referrerPolicy;
+
+  // also has obsolete members
+};
+HTMLAreaElement includes HTMLHyperlinkElementUtils;
+
+[Exposed=Window]
+interface HTMLTableElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute HTMLTableCaptionElement? caption;
+  HTMLTableCaptionElement createCaption();
+  [CEReactions] undefined deleteCaption();
+
+  [CEReactions] attribute HTMLTableSectionElement? tHead;
+  HTMLTableSectionElement createTHead();
+  [CEReactions] undefined deleteTHead();
+
+  [CEReactions] attribute HTMLTableSectionElement? tFoot;
+  HTMLTableSectionElement createTFoot();
+  [CEReactions] undefined deleteTFoot();
+
+  [SameObject] readonly attribute HTMLCollection tBodies;
+  HTMLTableSectionElement createTBody();
+
+  [SameObject] readonly attribute HTMLCollection rows;
+  HTMLTableRowElement insertRow(optional long index = -1);
+  [CEReactions] undefined deleteRow(long index);
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLTableCaptionElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLTableColElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute unsigned long span;
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLTableSectionElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [SameObject] readonly attribute HTMLCollection rows;
+  HTMLTableRowElement insertRow(optional long index = -1);
+  [CEReactions] undefined deleteRow(long index);
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLTableRowElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  readonly attribute long rowIndex;
+  readonly attribute long sectionRowIndex;
+  [SameObject] readonly attribute HTMLCollection cells;
+  HTMLTableCellElement insertCell(optional long index = -1);
+  [CEReactions] undefined deleteCell(long index);
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLTableCellElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute unsigned long colSpan;
+  [CEReactions] attribute unsigned long rowSpan;
+  [CEReactions] attribute DOMString headers;
+  readonly attribute long cellIndex;
+
+  [CEReactions] attribute DOMString scope; // only conforming for th elements
+  [CEReactions] attribute DOMString abbr;  // only conforming for th elements
+
+  // also has obsolete members
+};
+
+[Exposed=Window,
+ LegacyOverrideBuiltIns,
+ LegacyUnenumerableNamedProperties]
+interface HTMLFormElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString acceptCharset;
+  [CEReactions] attribute USVString action;
+  [CEReactions] attribute DOMString autocomplete;
+  [CEReactions] attribute DOMString enctype;
+  [CEReactions] attribute DOMString encoding;
+  [CEReactions] attribute DOMString method;
+  [CEReactions] attribute DOMString name;
+  [CEReactions] attribute boolean noValidate;
+  [CEReactions] attribute DOMString target;
+  [CEReactions] attribute DOMString rel;
+  [SameObject, PutForwards=value] readonly attribute DOMTokenList relList;
+
+  [SameObject] readonly attribute HTMLFormControlsCollection elements;
+  readonly attribute unsigned long length;
+  getter Element (unsigned long index);
+  getter (RadioNodeList or Element) (DOMString name);
+
+  undefined submit();
+  undefined requestSubmit(optional HTMLElement? submitter = null);
+  [CEReactions] undefined reset();
+  boolean checkValidity();
+  boolean reportValidity();
+};
+
+[Exposed=Window]
+interface HTMLLabelElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  readonly attribute HTMLFormElement? form;
+  [CEReactions] attribute DOMString htmlFor;
+  readonly attribute HTMLElement? control;
+};
+
+[Exposed=Window]
+interface HTMLInputElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString accept;
+  [CEReactions] attribute DOMString alt;
+  [CEReactions] attribute DOMString autocomplete;
+  [CEReactions] attribute boolean defaultChecked;
+  attribute boolean checked;
+  [CEReactions] attribute DOMString dirName;
+  [CEReactions] attribute boolean disabled;
+  readonly attribute HTMLFormElement? form;
+  attribute FileList? files;
+  [CEReactions] attribute USVString formAction;
+  [CEReactions] attribute DOMString formEnctype;
+  [CEReactions] attribute DOMString formMethod;
+  [CEReactions] attribute boolean formNoValidate;
+  [CEReactions] attribute DOMString formTarget;
+  [CEReactions] attribute unsigned long height;
+  attribute boolean indeterminate;
+  readonly attribute HTMLDataListElement? list;
+  [CEReactions] attribute DOMString max;
+  [CEReactions] attribute long maxLength;
+  [CEReactions] attribute DOMString min;
+  [CEReactions] attribute long minLength;
+  [CEReactions] attribute boolean multiple;
+  [CEReactions] attribute DOMString name;
+  [CEReactions] attribute DOMString pattern;
+  [CEReactions] attribute DOMString placeholder;
+  [CEReactions] attribute boolean readOnly;
+  [CEReactions] attribute boolean required;
+  [CEReactions] attribute unsigned long size;
+  [CEReactions] attribute USVString src;
+  [CEReactions] attribute DOMString step;
+  [CEReactions] attribute DOMString type;
+  [CEReactions] attribute DOMString defaultValue;
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString value;
+  attribute object? valueAsDate;
+  attribute unrestricted double valueAsNumber;
+  [CEReactions] attribute unsigned long width;
+
+  undefined stepUp(optional long n = 1);
+  undefined stepDown(optional long n = 1);
+
+  readonly attribute boolean willValidate;
+  readonly attribute ValidityState validity;
+  readonly attribute DOMString validationMessage;
+  boolean checkValidity();
+  boolean reportValidity();
+  undefined setCustomValidity(DOMString error);
+
+  readonly attribute NodeList? labels;
+
+  undefined select();
+  attribute unsigned long? selectionStart;
+  attribute unsigned long? selectionEnd;
+  attribute DOMString? selectionDirection;
+  undefined setRangeText(DOMString replacement);
+  undefined setRangeText(DOMString replacement, unsigned long start, unsigned long end, optional SelectionMode selectionMode = "preserve");
+  undefined setSelectionRange(unsigned long start, unsigned long end, optional DOMString direction);
+
+  undefined showPicker();
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLButtonElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute boolean disabled;
+  readonly attribute HTMLFormElement? form;
+  [CEReactions] attribute USVString formAction;
+  [CEReactions] attribute DOMString formEnctype;
+  [CEReactions] attribute DOMString formMethod;
+  [CEReactions] attribute boolean formNoValidate;
+  [CEReactions] attribute DOMString formTarget;
+  [CEReactions] attribute DOMString name;
+  [CEReactions] attribute DOMString type;
+  [CEReactions] attribute DOMString value;
+
+  readonly attribute boolean willValidate;
+  readonly attribute ValidityState validity;
+  readonly attribute DOMString validationMessage;
+  boolean checkValidity();
+  boolean reportValidity();
+  undefined setCustomValidity(DOMString error);
+
+  readonly attribute NodeList labels;
+};
+
+[Exposed=Window]
+interface HTMLSelectElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString autocomplete;
+  [CEReactions] attribute boolean disabled;
+  readonly attribute HTMLFormElement? form;
+  [CEReactions] attribute boolean multiple;
+  [CEReactions] attribute DOMString name;
+  [CEReactions] attribute boolean required;
+  [CEReactions] attribute unsigned long size;
+
+  readonly attribute DOMString type;
+
+  [SameObject] readonly attribute HTMLOptionsCollection options;
+  [CEReactions] attribute unsigned long length;
+  getter HTMLOptionElement? item(unsigned long index);
+  HTMLOptionElement? namedItem(DOMString name);
+  [CEReactions] undefined add((HTMLOptionElement or HTMLOptGroupElement) element, optional (HTMLElement or long)? before = null);
+  [CEReactions] undefined remove(); // ChildNode overload
+  [CEReactions] undefined remove(long index);
+  [CEReactions] setter undefined (unsigned long index, HTMLOptionElement? option);
+
+  [SameObject] readonly attribute HTMLCollection selectedOptions;
+  attribute long selectedIndex;
+  attribute DOMString value;
+
+  readonly attribute boolean willValidate;
+  readonly attribute ValidityState validity;
+  readonly attribute DOMString validationMessage;
+  boolean checkValidity();
+  boolean reportValidity();
+  undefined setCustomValidity(DOMString error);
+
+  readonly attribute NodeList labels;
+};
+
+[Exposed=Window]
+interface HTMLDataListElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [SameObject] readonly attribute HTMLCollection options;
+};
+
+[Exposed=Window]
+interface HTMLOptGroupElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute boolean disabled;
+  [CEReactions] attribute DOMString label;
+};
+
+[Exposed=Window,
+ LegacyFactoryFunction=Option(optional DOMString text = "", optional DOMString value, optional boolean defaultSelected = false, optional boolean selected = false)]
+interface HTMLOptionElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute boolean disabled;
+  readonly attribute HTMLFormElement? form;
+  [CEReactions] attribute DOMString label;
+  [CEReactions] attribute boolean defaultSelected;
+  attribute boolean selected;
+  [CEReactions] attribute DOMString value;
+
+  [CEReactions] attribute DOMString text;
+  readonly attribute long index;
+};
+
+[Exposed=Window]
+interface HTMLTextAreaElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString autocomplete;
+  [CEReactions] attribute unsigned long cols;
+  [CEReactions] attribute DOMString dirName;
+  [CEReactions] attribute boolean disabled;
+  readonly attribute HTMLFormElement? form;
+  [CEReactions] attribute long maxLength;
+  [CEReactions] attribute long minLength;
+  [CEReactions] attribute DOMString name;
+  [CEReactions] attribute DOMString placeholder;
+  [CEReactions] attribute boolean readOnly;
+  [CEReactions] attribute boolean required;
+  [CEReactions] attribute unsigned long rows;
+  [CEReactions] attribute DOMString wrap;
+
+  readonly attribute DOMString type;
+  [CEReactions] attribute DOMString defaultValue;
+  attribute [LegacyNullToEmptyString] DOMString value;
+  readonly attribute unsigned long textLength;
+
+  readonly attribute boolean willValidate;
+  readonly attribute ValidityState validity;
+  readonly attribute DOMString validationMessage;
+  boolean checkValidity();
+  boolean reportValidity();
+  undefined setCustomValidity(DOMString error);
+
+  readonly attribute NodeList labels;
+
+  undefined select();
+  attribute unsigned long selectionStart;
+  attribute unsigned long selectionEnd;
+  attribute DOMString selectionDirection;
+  undefined setRangeText(DOMString replacement);
+  undefined setRangeText(DOMString replacement, unsigned long start, unsigned long end, optional SelectionMode selectionMode = "preserve");
+  undefined setSelectionRange(unsigned long start, unsigned long end, optional DOMString direction);
+};
+
+[Exposed=Window]
+interface HTMLOutputElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [SameObject, PutForwards=value] readonly attribute DOMTokenList htmlFor;
+  readonly attribute HTMLFormElement? form;
+  [CEReactions] attribute DOMString name;
+
+  readonly attribute DOMString type;
+  [CEReactions] attribute DOMString defaultValue;
+  [CEReactions] attribute DOMString value;
+
+  readonly attribute boolean willValidate;
+  readonly attribute ValidityState validity;
+  readonly attribute DOMString validationMessage;
+  boolean checkValidity();
+  boolean reportValidity();
+  undefined setCustomValidity(DOMString error);
+
+  readonly attribute NodeList labels;
+};
+
+[Exposed=Window]
+interface HTMLProgressElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute double value;
+  [CEReactions] attribute double max;
+  readonly attribute double position;
+  readonly attribute NodeList labels;
+};
+
+[Exposed=Window]
+interface HTMLMeterElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute double value;
+  [CEReactions] attribute double min;
+  [CEReactions] attribute double max;
+  [CEReactions] attribute double low;
+  [CEReactions] attribute double high;
+  [CEReactions] attribute double optimum;
+  readonly attribute NodeList labels;
+};
+
+[Exposed=Window]
+interface HTMLFieldSetElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute boolean disabled;
+  readonly attribute HTMLFormElement? form;
+  [CEReactions] attribute DOMString name;
+
+  readonly attribute DOMString type;
+
+  [SameObject] readonly attribute HTMLCollection elements;
+
+  readonly attribute boolean willValidate;
+  [SameObject] readonly attribute ValidityState validity;
+  readonly attribute DOMString validationMessage;
+  boolean checkValidity();
+  boolean reportValidity();
+  undefined setCustomValidity(DOMString error);
+};
+
+[Exposed=Window]
+interface HTMLLegendElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  readonly attribute HTMLFormElement? form;
+
+  // also has obsolete members
+};
+
+enum SelectionMode {
+  "select",
+  "start",
+  "end",
+  "preserve" // default
+};
+
+[Exposed=Window]
+interface ValidityState {
+  readonly attribute boolean valueMissing;
+  readonly attribute boolean typeMismatch;
+  readonly attribute boolean patternMismatch;
+  readonly attribute boolean tooLong;
+  readonly attribute boolean tooShort;
+  readonly attribute boolean rangeUnderflow;
+  readonly attribute boolean rangeOverflow;
+  readonly attribute boolean stepMismatch;
+  readonly attribute boolean badInput;
+  readonly attribute boolean customError;
+  readonly attribute boolean valid;
+};
+
+[Exposed=Window]
+interface SubmitEvent : Event {
+  constructor(DOMString type, optional SubmitEventInit eventInitDict = {});
+
+  readonly attribute HTMLElement? submitter;
+};
+
+dictionary SubmitEventInit : EventInit {
+  HTMLElement? submitter = null;
+};
+
+[Exposed=Window]
+interface FormDataEvent : Event {
+  constructor(DOMString type, FormDataEventInit eventInitDict);
+
+  readonly attribute FormData formData;
+};
+
+dictionary FormDataEventInit : EventInit {
+  required FormData formData;
+};
+
+[Exposed=Window]
+interface HTMLDetailsElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute boolean open;
+};
+
+[Exposed=Window]
+interface HTMLDialogElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute boolean open;
+  attribute DOMString returnValue;
+  [CEReactions] undefined show();
+  [CEReactions] undefined showModal();
+  [CEReactions] undefined close(optional DOMString returnValue);
+};
+
+[Exposed=Window]
+interface HTMLScriptElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute USVString src;
+  [CEReactions] attribute DOMString type;
+  [CEReactions] attribute boolean noModule;
+  [CEReactions] attribute boolean async;
+  [CEReactions] attribute boolean defer;
+  [CEReactions] attribute DOMString? crossOrigin;
+  [CEReactions] attribute DOMString text;
+  [CEReactions] attribute DOMString integrity;
+  [CEReactions] attribute DOMString referrerPolicy;
+  [SameObject, PutForwards=value] readonly attribute DOMTokenList blocking;
+
+  static boolean supports(DOMString type);
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLTemplateElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  readonly attribute DocumentFragment content;
+};
+
+[Exposed=Window]
+interface HTMLSlotElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString name;
+  sequence<Node> assignedNodes(optional AssignedNodesOptions options = {});
+  sequence<Element> assignedElements(optional AssignedNodesOptions options = {});
+  undefined assign((Element or Text)... nodes);
+};
+
+dictionary AssignedNodesOptions {
+  boolean flatten = false;
+};
+
+typedef (CanvasRenderingContext2D or ImageBitmapRenderingContext or WebGLRenderingContext or WebGL2RenderingContext or GPUCanvasContext) RenderingContext;
+
+[Exposed=Window]
+interface HTMLCanvasElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute unsigned long width;
+  [CEReactions] attribute unsigned long height;
+
+  RenderingContext? getContext(DOMString contextId, optional any options = null);
+
+  USVString toDataURL(optional DOMString type = "image/png", optional any quality);
+  undefined toBlob(BlobCallback _callback, optional DOMString type = "image/png", optional any quality);
+  OffscreenCanvas transferControlToOffscreen();
+};
+
+callback BlobCallback = undefined (Blob? blob);
+
+typedef (HTMLImageElement or
+         SVGImageElement) HTMLOrSVGImageElement;
+
+typedef (HTMLOrSVGImageElement or
+         HTMLVideoElement or
+         HTMLCanvasElement or
+         ImageBitmap or
+         OffscreenCanvas or
+         VideoFrame) CanvasImageSource;
+
+enum PredefinedColorSpace { "srgb", "display-p3" };
+
+enum CanvasFillRule { "nonzero", "evenodd" };
+
+dictionary CanvasRenderingContext2DSettings {
+  boolean alpha = true;
+  boolean desynchronized = false;
+  PredefinedColorSpace colorSpace = "srgb";
+  boolean willReadFrequently = false;
+};
+
+enum ImageSmoothingQuality { "low", "medium", "high" };
+
+[Exposed=Window]
+interface CanvasRenderingContext2D {
+  // back-reference to the canvas
+  readonly attribute HTMLCanvasElement canvas;
+
+  CanvasRenderingContext2DSettings getContextAttributes();
+};
+CanvasRenderingContext2D includes CanvasState;
+CanvasRenderingContext2D includes CanvasTransform;
+CanvasRenderingContext2D includes CanvasCompositing;
+CanvasRenderingContext2D includes CanvasImageSmoothing;
+CanvasRenderingContext2D includes CanvasFillStrokeStyles;
+CanvasRenderingContext2D includes CanvasShadowStyles;
+CanvasRenderingContext2D includes CanvasFilters;
+CanvasRenderingContext2D includes CanvasRect;
+CanvasRenderingContext2D includes CanvasDrawPath;
+CanvasRenderingContext2D includes CanvasUserInterface;
+CanvasRenderingContext2D includes CanvasText;
+CanvasRenderingContext2D includes CanvasDrawImage;
+CanvasRenderingContext2D includes CanvasImageData;
+CanvasRenderingContext2D includes CanvasPathDrawingStyles;
+CanvasRenderingContext2D includes CanvasTextDrawingStyles;
+CanvasRenderingContext2D includes CanvasPath;
+
+interface mixin CanvasState {
+  // state
+  undefined save(); // push state on state stack
+  undefined restore(); // pop state stack and restore state
+  undefined reset(); // reset the rendering context to its default state
+  boolean isContextLost(); // return whether context is lost
+};
+
+interface mixin CanvasTransform {
+  // transformations (default transform is the identity matrix)
+  undefined scale(unrestricted double x, unrestricted double y);
+  undefined rotate(unrestricted double angle);
+  undefined translate(unrestricted double x, unrestricted double y);
+  undefined transform(unrestricted double a, unrestricted double b, unrestricted double c, unrestricted double d, unrestricted double e, unrestricted double f);
+
+  [NewObject] DOMMatrix getTransform();
+  undefined setTransform(unrestricted double a, unrestricted double b, unrestricted double c, unrestricted double d, unrestricted double e, unrestricted double f);
+  undefined setTransform(optional DOMMatrix2DInit transform = {});
+  undefined resetTransform();
+
+};
+
+interface mixin CanvasCompositing {
+  // compositing
+  attribute unrestricted double globalAlpha; // (default 1.0)
+  attribute DOMString globalCompositeOperation; // (default "source-over")
+};
+
+interface mixin CanvasImageSmoothing {
+  // image smoothing
+  attribute boolean imageSmoothingEnabled; // (default true)
+  attribute ImageSmoothingQuality imageSmoothingQuality; // (default low)
+
+};
+
+interface mixin CanvasFillStrokeStyles {
+  // colors and styles (see also the CanvasPathDrawingStyles and CanvasTextDrawingStyles interfaces)
+  attribute (DOMString or CanvasGradient or CanvasPattern) strokeStyle; // (default black)
+  attribute (DOMString or CanvasGradient or CanvasPattern) fillStyle; // (default black)
+  CanvasGradient createLinearGradient(double x0, double y0, double x1, double y1);
+  CanvasGradient createRadialGradient(double x0, double y0, double r0, double x1, double y1, double r1);
+  CanvasGradient createConicGradient(double startAngle, double x, double y);
+  CanvasPattern? createPattern(CanvasImageSource image, [LegacyNullToEmptyString] DOMString repetition);
+
+};
+
+interface mixin CanvasShadowStyles {
+  // shadows
+  attribute unrestricted double shadowOffsetX; // (default 0)
+  attribute unrestricted double shadowOffsetY; // (default 0)
+  attribute unrestricted double shadowBlur; // (default 0)
+  attribute DOMString shadowColor; // (default transparent black)
+};
+
+interface mixin CanvasFilters {
+  // filters
+  attribute DOMString filter; // (default "none")
+};
+
+interface mixin CanvasRect {
+  // rects
+  undefined clearRect(unrestricted double x, unrestricted double y, unrestricted double w, unrestricted double h);
+  undefined fillRect(unrestricted double x, unrestricted double y, unrestricted double w, unrestricted double h);
+  undefined strokeRect(unrestricted double x, unrestricted double y, unrestricted double w, unrestricted double h);
+};
+
+interface mixin CanvasDrawPath {
+  // path API (see also CanvasPath)
+  undefined beginPath();
+  undefined fill(optional CanvasFillRule fillRule = "nonzero");
+  undefined fill(Path2D path, optional CanvasFillRule fillRule = "nonzero");
+  undefined stroke();
+  undefined stroke(Path2D path);
+  undefined clip(optional CanvasFillRule fillRule = "nonzero");
+  undefined clip(Path2D path, optional CanvasFillRule fillRule = "nonzero");
+  boolean isPointInPath(unrestricted double x, unrestricted double y, optional CanvasFillRule fillRule = "nonzero");
+  boolean isPointInPath(Path2D path, unrestricted double x, unrestricted double y, optional CanvasFillRule fillRule = "nonzero");
+  boolean isPointInStroke(unrestricted double x, unrestricted double y);
+  boolean isPointInStroke(Path2D path, unrestricted double x, unrestricted double y);
+};
+
+interface mixin CanvasUserInterface {
+  undefined drawFocusIfNeeded(Element element);
+  undefined drawFocusIfNeeded(Path2D path, Element element);
+  undefined scrollPathIntoView();
+  undefined scrollPathIntoView(Path2D path);
+};
+
+interface mixin CanvasText {
+  // text (see also the CanvasPathDrawingStyles and CanvasTextDrawingStyles interfaces)
+  undefined fillText(DOMString text, unrestricted double x, unrestricted double y, optional unrestricted double maxWidth);
+  undefined strokeText(DOMString text, unrestricted double x, unrestricted double y, optional unrestricted double maxWidth);
+  TextMetrics measureText(DOMString text);
+};
+
+interface mixin CanvasDrawImage {
+  // drawing images
+  undefined drawImage(CanvasImageSource image, unrestricted double dx, unrestricted double dy);
+  undefined drawImage(CanvasImageSource image, unrestricted double dx, unrestricted double dy, unrestricted double dw, unrestricted double dh);
+  undefined drawImage(CanvasImageSource image, unrestricted double sx, unrestricted double sy, unrestricted double sw, unrestricted double sh, unrestricted double dx, unrestricted double dy, unrestricted double dw, unrestricted double dh);
+};
+
+interface mixin CanvasImageData {
+  // pixel manipulation
+  ImageData createImageData([EnforceRange] long sw, [EnforceRange] long sh, optional ImageDataSettings settings = {});
+  ImageData createImageData(ImageData imagedata);
+  ImageData getImageData([EnforceRange] long sx, [EnforceRange] long sy, [EnforceRange] long sw, [EnforceRange] long sh, optional ImageDataSettings settings = {});
+  undefined putImageData(ImageData imagedata, [EnforceRange] long dx, [EnforceRange] long dy);
+  undefined putImageData(ImageData imagedata, [EnforceRange] long dx, [EnforceRange] long dy, [EnforceRange] long dirtyX, [EnforceRange] long dirtyY, [EnforceRange] long dirtyWidth, [EnforceRange] long dirtyHeight);
+};
+
+enum CanvasLineCap { "butt", "round", "square" };
+enum CanvasLineJoin { "round", "bevel", "miter" };
+enum CanvasTextAlign { "start", "end", "left", "right", "center" };
+enum CanvasTextBaseline { "top", "hanging", "middle", "alphabetic", "ideographic", "bottom" };
+enum CanvasDirection { "ltr", "rtl", "inherit" };
+enum CanvasFontKerning { "auto", "normal", "none" };
+enum CanvasFontStretch { "ultra-condensed", "extra-condensed", "condensed", "semi-condensed", "normal", "semi-expanded", "expanded", "extra-expanded", "ultra-expanded" };
+enum CanvasFontVariantCaps { "normal", "small-caps", "all-small-caps", "petite-caps", "all-petite-caps", "unicase", "titling-caps" };
+enum CanvasTextRendering { "auto", "optimizeSpeed", "optimizeLegibility", "geometricPrecision" };
+
+interface mixin CanvasPathDrawingStyles {
+  // line caps/joins
+  attribute unrestricted double lineWidth; // (default 1)
+  attribute CanvasLineCap lineCap; // (default "butt")
+  attribute CanvasLineJoin lineJoin; // (default "miter")
+  attribute unrestricted double miterLimit; // (default 10)
+
+  // dashed lines
+  undefined setLineDash(sequence<unrestricted double> segments); // default empty
+  sequence<unrestricted double> getLineDash();
+  attribute unrestricted double lineDashOffset;
+};
+
+interface mixin CanvasTextDrawingStyles {
+  // text
+  attribute DOMString font; // (default 10px sans-serif)
+  attribute CanvasTextAlign textAlign; // (default: "start")
+  attribute CanvasTextBaseline textBaseline; // (default: "alphabetic")
+  attribute CanvasDirection direction; // (default: "inherit")
+  attribute DOMString letterSpacing; // (default: "0px")
+  attribute CanvasFontKerning fontKerning; // (default: "auto")
+  attribute CanvasFontStretch fontStretch; // (default: "normal")
+  attribute CanvasFontVariantCaps fontVariantCaps; // (default: "normal")
+  attribute CanvasTextRendering textRendering; // (default: "auto")
+  attribute DOMString wordSpacing; // (default: "0px")
+};
+
+interface mixin CanvasPath {
+  // shared path API methods
+  undefined closePath();
+  undefined moveTo(unrestricted double x, unrestricted double y);
+  undefined lineTo(unrestricted double x, unrestricted double y);
+  undefined quadraticCurveTo(unrestricted double cpx, unrestricted double cpy, unrestricted double x, unrestricted double y);
+  undefined bezierCurveTo(unrestricted double cp1x, unrestricted double cp1y, unrestricted double cp2x, unrestricted double cp2y, unrestricted double x, unrestricted double y);
+  undefined arcTo(unrestricted double x1, unrestricted double y1, unrestricted double x2, unrestricted double y2, unrestricted double radius);
+  undefined rect(unrestricted double x, unrestricted double y, unrestricted double w, unrestricted double h);
+  undefined roundRect(unrestricted double x, unrestricted double y, unrestricted double w, unrestricted double h, optional (unrestricted double or DOMPointInit or sequence<(unrestricted double or DOMPointInit)>) radii = 0);
+  undefined arc(unrestricted double x, unrestricted double y, unrestricted double radius, unrestricted double startAngle, unrestricted double endAngle, optional boolean counterclockwise = false);
+  undefined ellipse(unrestricted double x, unrestricted double y, unrestricted double radiusX, unrestricted double radiusY, unrestricted double rotation, unrestricted double startAngle, unrestricted double endAngle, optional boolean counterclockwise = false);
+};
+
+[Exposed=(Window,Worker)]
+interface CanvasGradient {
+  // opaque object
+  undefined addColorStop(double offset, DOMString color);
+};
+
+[Exposed=(Window,Worker)]
+interface CanvasPattern {
+  // opaque object
+  undefined setTransform(optional DOMMatrix2DInit transform = {});
+};
+
+[Exposed=(Window,Worker)]
+interface TextMetrics {
+  // x-direction
+  readonly attribute double width; // advance width
+  readonly attribute double actualBoundingBoxLeft;
+  readonly attribute double actualBoundingBoxRight;
+
+  // y-direction
+  readonly attribute double fontBoundingBoxAscent;
+  readonly attribute double fontBoundingBoxDescent;
+  readonly attribute double actualBoundingBoxAscent;
+  readonly attribute double actualBoundingBoxDescent;
+  readonly attribute double emHeightAscent;
+  readonly attribute double emHeightDescent;
+  readonly attribute double hangingBaseline;
+  readonly attribute double alphabeticBaseline;
+  readonly attribute double ideographicBaseline;
+};
+
+dictionary ImageDataSettings {
+  PredefinedColorSpace colorSpace;
+};
+
+[Exposed=(Window,Worker),
+ Serializable]
+interface ImageData {
+  constructor(unsigned long sw, unsigned long sh, optional ImageDataSettings settings = {});
+  constructor(Uint8ClampedArray data, unsigned long sw, optional unsigned long sh, optional ImageDataSettings settings = {});
+
+  readonly attribute unsigned long width;
+  readonly attribute unsigned long height;
+  readonly attribute Uint8ClampedArray data;
+  readonly attribute PredefinedColorSpace colorSpace;
+};
+
+[Exposed=(Window,Worker)]
+interface Path2D {
+  constructor(optional (Path2D or DOMString) path);
+
+  undefined addPath(Path2D path, optional DOMMatrix2DInit transform = {});
+};
+Path2D includes CanvasPath;
+
+[Exposed=(Window,Worker)]
+interface ImageBitmapRenderingContext {
+  readonly attribute (HTMLCanvasElement or OffscreenCanvas) canvas;
+  undefined transferFromImageBitmap(ImageBitmap? bitmap);
+};
+
+dictionary ImageBitmapRenderingContextSettings {
+  boolean alpha = true;
+};
+
+typedef (OffscreenCanvasRenderingContext2D or ImageBitmapRenderingContext or WebGLRenderingContext or WebGL2RenderingContext or GPUCanvasContext) OffscreenRenderingContext;
+
+dictionary ImageEncodeOptions {
+  DOMString type = "image/png";
+  unrestricted double quality;
+};
+
+enum OffscreenRenderingContextId { "2d", "bitmaprenderer", "webgl", "webgl2", "webgpu" };
+
+[Exposed=(Window,Worker), Transferable]
+interface OffscreenCanvas : EventTarget {
+  constructor([EnforceRange] unsigned long long width, [EnforceRange] unsigned long long height);
+
+  attribute [EnforceRange] unsigned long long width;
+  attribute [EnforceRange] unsigned long long height;
+
+  OffscreenRenderingContext? getContext(OffscreenRenderingContextId contextId, optional any options = null);
+  ImageBitmap transferToImageBitmap();
+  Promise<Blob> convertToBlob(optional ImageEncodeOptions options = {});
+
+  attribute EventHandler oncontextlost;
+  attribute EventHandler oncontextrestored;
+};
+
+[Exposed=(Window,Worker)]
+interface OffscreenCanvasRenderingContext2D {
+  undefined commit();
+  readonly attribute OffscreenCanvas canvas;
+};
+
+OffscreenCanvasRenderingContext2D includes CanvasState;
+OffscreenCanvasRenderingContext2D includes CanvasTransform;
+OffscreenCanvasRenderingContext2D includes CanvasCompositing;
+OffscreenCanvasRenderingContext2D includes CanvasImageSmoothing;
+OffscreenCanvasRenderingContext2D includes CanvasFillStrokeStyles;
+OffscreenCanvasRenderingContext2D includes CanvasShadowStyles;
+OffscreenCanvasRenderingContext2D includes CanvasFilters;
+OffscreenCanvasRenderingContext2D includes CanvasRect;
+OffscreenCanvasRenderingContext2D includes CanvasDrawPath;
+OffscreenCanvasRenderingContext2D includes CanvasText;
+OffscreenCanvasRenderingContext2D includes CanvasDrawImage;
+OffscreenCanvasRenderingContext2D includes CanvasImageData;
+OffscreenCanvasRenderingContext2D includes CanvasPathDrawingStyles;
+OffscreenCanvasRenderingContext2D includes CanvasTextDrawingStyles;
+OffscreenCanvasRenderingContext2D includes CanvasPath;
+
+[Exposed=Window]
+interface CustomElementRegistry {
+  [CEReactions] undefined define(DOMString name, CustomElementConstructor constructor, optional ElementDefinitionOptions options = {});
+  (CustomElementConstructor or undefined) get(DOMString name);
+  Promise<CustomElementConstructor> whenDefined(DOMString name);
+  [CEReactions] undefined upgrade(Node root);
+};
+
+callback CustomElementConstructor = HTMLElement ();
+
+dictionary ElementDefinitionOptions {
+  DOMString extends;
+};
+
+[Exposed=Window]
+interface ElementInternals {
+  // Shadow root access
+  readonly attribute ShadowRoot? shadowRoot;
+
+  // Form-associated custom elements
+  undefined setFormValue((File or USVString or FormData)? value,
+                         optional (File or USVString or FormData)? state);
+
+  readonly attribute HTMLFormElement? form;
+
+  undefined setValidity(optional ValidityStateFlags flags = {},
+                        optional DOMString message,
+                        optional HTMLElement anchor);
+  readonly attribute boolean willValidate;
+  readonly attribute ValidityState validity;
+  readonly attribute DOMString validationMessage;
+  boolean checkValidity();
+  boolean reportValidity();
+
+  readonly attribute NodeList labels;
+};
+
+// Accessibility semantics
+ElementInternals includes ARIAMixin;
+
+dictionary ValidityStateFlags {
+  boolean valueMissing = false;
+  boolean typeMismatch = false;
+  boolean patternMismatch = false;
+  boolean tooLong = false;
+  boolean tooShort = false;
+  boolean rangeUnderflow = false;
+  boolean rangeOverflow = false;
+  boolean stepMismatch = false;
+  boolean badInput = false;
+  boolean customError = false;
+};
+
+[Exposed=Window]
+interface UserActivation {
+  readonly attribute boolean hasBeenActive;
+  readonly attribute boolean isActive;
+};
+
+partial interface Navigator {
+  [SameObject] readonly attribute UserActivation userActivation;
+};
+
+dictionary FocusOptions {
+  boolean preventScroll = false;
+  boolean focusVisible;
+};
+
+interface mixin ElementContentEditable {
+  [CEReactions] attribute DOMString contentEditable;
+  [CEReactions] attribute DOMString enterKeyHint;
+  readonly attribute boolean isContentEditable;
+  [CEReactions] attribute DOMString inputMode;
+};
+
+[Exposed=Window]
+interface DataTransfer {
+  constructor();
+
+  attribute DOMString dropEffect;
+  attribute DOMString effectAllowed;
+
+  [SameObject] readonly attribute DataTransferItemList items;
+
+  undefined setDragImage(Element image, long x, long y);
+
+  /* old interface */
+  readonly attribute FrozenArray<DOMString> types;
+  DOMString getData(DOMString format);
+  undefined setData(DOMString format, DOMString data);
+  undefined clearData(optional DOMString format);
+  [SameObject] readonly attribute FileList files;
+};
+
+[Exposed=Window]
+interface DataTransferItemList {
+  readonly attribute unsigned long length;
+  getter DataTransferItem (unsigned long index);
+  DataTransferItem? add(DOMString data, DOMString type);
+  DataTransferItem? add(File data);
+  undefined remove(unsigned long index);
+  undefined clear();
+};
+
+[Exposed=Window]
+interface DataTransferItem {
+  readonly attribute DOMString kind;
+  readonly attribute DOMString type;
+  undefined getAsString(FunctionStringCallback? _callback);
+  File? getAsFile();
+};
+
+callback FunctionStringCallback = undefined (DOMString data);
+
+[Exposed=Window]
+interface DragEvent : MouseEvent {
+  constructor(DOMString type, optional DragEventInit eventInitDict = {});
+
+  readonly attribute DataTransfer? dataTransfer;
+};
+
+dictionary DragEventInit : MouseEventInit {
+  DataTransfer? dataTransfer = null;
+};
+
+[Global=Window,
+ Exposed=Window,
+ LegacyUnenumerableNamedProperties]
+interface Window : EventTarget {
+  // the current browsing context
+  [LegacyUnforgeable] readonly attribute WindowProxy window;
+  [Replaceable] readonly attribute WindowProxy self;
+  [LegacyUnforgeable] readonly attribute Document document;
+  attribute DOMString name;
+  [PutForwards=href, LegacyUnforgeable] readonly attribute Location location;
+  readonly attribute History history;
+  readonly attribute CustomElementRegistry customElements;
+  [Replaceable] readonly attribute BarProp locationbar;
+  [Replaceable] readonly attribute BarProp menubar;
+  [Replaceable] readonly attribute BarProp personalbar;
+  [Replaceable] readonly attribute BarProp scrollbars;
+  [Replaceable] readonly attribute BarProp statusbar;
+  [Replaceable] readonly attribute BarProp toolbar;
+  attribute DOMString status;
+  undefined close();
+  readonly attribute boolean closed;
+  undefined stop();
+  undefined focus();
+  undefined blur();
+
+  // other browsing contexts
+  [Replaceable] readonly attribute WindowProxy frames;
+  [Replaceable] readonly attribute unsigned long length;
+  [LegacyUnforgeable] readonly attribute WindowProxy? top;
+  attribute any opener;
+  [Replaceable] readonly attribute WindowProxy? parent;
+  readonly attribute Element? frameElement;
+  WindowProxy? open(optional USVString url = "", optional DOMString target = "_blank", optional [LegacyNullToEmptyString] DOMString features = "");
+  getter object (DOMString name);
+  // Since this is the global object, the IDL named getter adds a NamedPropertiesObject exotic
+  // object on the prototype chain. Indeed, this does not make the global object an exotic object.
+  // Indexed access is taken care of by the WindowProxy exotic object.
+
+  // the user agent
+  readonly attribute Navigator navigator;
+  readonly attribute Navigator clientInformation; // legacy alias of .navigator
+  readonly attribute boolean originAgentCluster;
+
+  // user prompts
+  undefined alert();
+  undefined alert(DOMString message);
+  boolean confirm(optional DOMString message = "");
+  DOMString? prompt(optional DOMString message = "", optional DOMString default = "");
+  undefined print();
+
+  undefined postMessage(any message, USVString targetOrigin, optional sequence<object> transfer = []);
+  undefined postMessage(any message, optional WindowPostMessageOptions options = {});
+
+  // also has obsolete members
+};
+Window includes GlobalEventHandlers;
+Window includes WindowEventHandlers;
+
+dictionary WindowPostMessageOptions : StructuredSerializeOptions {
+  USVString targetOrigin = "/";
+};
+
+[Exposed=Window]
+interface BarProp {
+  readonly attribute boolean visible;
+};
+
+[Exposed=Window]
+interface Location { // but see also additional creation steps and overridden internal methods
+  [LegacyUnforgeable] stringifier attribute USVString href;
+  [LegacyUnforgeable] readonly attribute USVString origin;
+  [LegacyUnforgeable] attribute USVString protocol;
+  [LegacyUnforgeable] attribute USVString host;
+  [LegacyUnforgeable] attribute USVString hostname;
+  [LegacyUnforgeable] attribute USVString port;
+  [LegacyUnforgeable] attribute USVString pathname;
+  [LegacyUnforgeable] attribute USVString search;
+  [LegacyUnforgeable] attribute USVString hash;
+
+  [LegacyUnforgeable] undefined assign(USVString url);
+  [LegacyUnforgeable] undefined replace(USVString url);
+  [LegacyUnforgeable] undefined reload();
+
+  [LegacyUnforgeable, SameObject] readonly attribute DOMStringList ancestorOrigins;
+};
+
+enum ScrollRestoration { "auto", "manual" };
+
+[Exposed=Window]
+interface History {
+  readonly attribute unsigned long length;
+  attribute ScrollRestoration scrollRestoration;
+  readonly attribute any state;
+  undefined go(optional long delta = 0);
+  undefined back();
+  undefined forward();
+  undefined pushState(any data, DOMString unused, optional USVString? url = null);
+  undefined replaceState(any data, DOMString unused, optional USVString? url = null);
+};
+
+[Exposed=Window]
+interface PopStateEvent : Event {
+  constructor(DOMString type, optional PopStateEventInit eventInitDict = {});
+
+  readonly attribute any state;
+};
+
+dictionary PopStateEventInit : EventInit {
+  any state = null;
+};
+
+[Exposed=Window]
+interface HashChangeEvent : Event {
+  constructor(DOMString type, optional HashChangeEventInit eventInitDict = {});
+
+  readonly attribute USVString oldURL;
+  readonly attribute USVString newURL;
+};
+
+dictionary HashChangeEventInit : EventInit {
+  USVString oldURL = "";
+  USVString newURL = "";
+};
+
+[Exposed=Window]
+interface PageTransitionEvent : Event {
+  constructor(DOMString type, optional PageTransitionEventInit eventInitDict = {});
+
+  readonly attribute boolean persisted;
+};
+
+dictionary PageTransitionEventInit : EventInit {
+  boolean persisted = false;
+};
+
+[Exposed=Window]
+interface BeforeUnloadEvent : Event {
+  attribute DOMString returnValue;
+};
+
+[Exposed=*]
+interface ErrorEvent : Event {
+  constructor(DOMString type, optional ErrorEventInit eventInitDict = {});
+
+  readonly attribute DOMString message;
+  readonly attribute USVString filename;
+  readonly attribute unsigned long lineno;
+  readonly attribute unsigned long colno;
+  readonly attribute any error;
+};
+
+dictionary ErrorEventInit : EventInit {
+  DOMString message = "";
+  USVString filename = "";
+  unsigned long lineno = 0;
+  unsigned long colno = 0;
+  any error;
+};
+
+[Exposed=*]
+interface PromiseRejectionEvent : Event {
+  constructor(DOMString type, PromiseRejectionEventInit eventInitDict);
+
+  readonly attribute Promise<any> promise;
+  readonly attribute any reason;
+};
+
+dictionary PromiseRejectionEventInit : EventInit {
+  required Promise<any> promise;
+  any reason;
+};
+
+[LegacyTreatNonObjectAsNull]
+callback EventHandlerNonNull = any (Event event);
+typedef EventHandlerNonNull? EventHandler;
+
+[LegacyTreatNonObjectAsNull]
+callback OnErrorEventHandlerNonNull = any ((Event or DOMString) event, optional DOMString source, optional unsigned long lineno, optional unsigned long colno, optional any error);
+typedef OnErrorEventHandlerNonNull? OnErrorEventHandler;
+
+[LegacyTreatNonObjectAsNull]
+callback OnBeforeUnloadEventHandlerNonNull = DOMString? (Event event);
+typedef OnBeforeUnloadEventHandlerNonNull? OnBeforeUnloadEventHandler;
+
+interface mixin GlobalEventHandlers {
+  attribute EventHandler onabort;
+  attribute EventHandler onauxclick;
+  attribute EventHandler onbeforeinput;
+  attribute EventHandler onbeforematch;
+  attribute EventHandler onblur;
+  attribute EventHandler oncancel;
+  attribute EventHandler oncanplay;
+  attribute EventHandler oncanplaythrough;
+  attribute EventHandler onchange;
+  attribute EventHandler onclick;
+  attribute EventHandler onclose;
+  attribute EventHandler oncontextlost;
+  attribute EventHandler oncontextmenu;
+  attribute EventHandler oncontextrestored;
+  attribute EventHandler oncopy;
+  attribute EventHandler oncuechange;
+  attribute EventHandler oncut;
+  attribute EventHandler ondblclick;
+  attribute EventHandler ondrag;
+  attribute EventHandler ondragend;
+  attribute EventHandler ondragenter;
+  attribute EventHandler ondragleave;
+  attribute EventHandler ondragover;
+  attribute EventHandler ondragstart;
+  attribute EventHandler ondrop;
+  attribute EventHandler ondurationchange;
+  attribute EventHandler onemptied;
+  attribute EventHandler onended;
+  attribute OnErrorEventHandler onerror;
+  attribute EventHandler onfocus;
+  attribute EventHandler onformdata;
+  attribute EventHandler oninput;
+  attribute EventHandler oninvalid;
+  attribute EventHandler onkeydown;
+  attribute EventHandler onkeypress;
+  attribute EventHandler onkeyup;
+  attribute EventHandler onload;
+  attribute EventHandler onloadeddata;
+  attribute EventHandler onloadedmetadata;
+  attribute EventHandler onloadstart;
+  attribute EventHandler onmousedown;
+  [LegacyLenientThis] attribute EventHandler onmouseenter;
+  [LegacyLenientThis] attribute EventHandler onmouseleave;
+  attribute EventHandler onmousemove;
+  attribute EventHandler onmouseout;
+  attribute EventHandler onmouseover;
+  attribute EventHandler onmouseup;
+  attribute EventHandler onpaste;
+  attribute EventHandler onpause;
+  attribute EventHandler onplay;
+  attribute EventHandler onplaying;
+  attribute EventHandler onprogress;
+  attribute EventHandler onratechange;
+  attribute EventHandler onreset;
+  attribute EventHandler onresize;
+  attribute EventHandler onscroll;
+  attribute EventHandler onscrollend;
+  attribute EventHandler onsecuritypolicyviolation;
+  attribute EventHandler onseeked;
+  attribute EventHandler onseeking;
+  attribute EventHandler onselect;
+  attribute EventHandler onslotchange;
+  attribute EventHandler onstalled;
+  attribute EventHandler onsubmit;
+  attribute EventHandler onsuspend;
+  attribute EventHandler ontimeupdate;
+  attribute EventHandler ontoggle;
+  attribute EventHandler onvolumechange;
+  attribute EventHandler onwaiting;
+  attribute EventHandler onwebkitanimationend;
+  attribute EventHandler onwebkitanimationiteration;
+  attribute EventHandler onwebkitanimationstart;
+  attribute EventHandler onwebkittransitionend;
+  attribute EventHandler onwheel;
+};
+
+interface mixin WindowEventHandlers {
+  attribute EventHandler onafterprint;
+  attribute EventHandler onbeforeprint;
+  attribute OnBeforeUnloadEventHandler onbeforeunload;
+  attribute EventHandler onhashchange;
+  attribute EventHandler onlanguagechange;
+  attribute EventHandler onmessage;
+  attribute EventHandler onmessageerror;
+  attribute EventHandler onoffline;
+  attribute EventHandler ononline;
+  attribute EventHandler onpagehide;
+  attribute EventHandler onpageshow;
+  attribute EventHandler onpopstate;
+  attribute EventHandler onrejectionhandled;
+  attribute EventHandler onstorage;
+  attribute EventHandler onunhandledrejection;
+  attribute EventHandler onunload;
+};
+
+typedef (DOMString or Function) TimerHandler;
+
+interface mixin WindowOrWorkerGlobalScope {
+  [Replaceable] readonly attribute USVString origin;
+  readonly attribute boolean isSecureContext;
+  readonly attribute boolean crossOriginIsolated;
+
+  undefined reportError(any e);
+
+  // base64 utility methods
+  DOMString btoa(DOMString data);
+  ByteString atob(DOMString data);
+
+  // timers
+  long setTimeout(TimerHandler handler, optional long timeout = 0, any... arguments);
+  undefined clearTimeout(optional long id = 0);
+  long setInterval(TimerHandler handler, optional long timeout = 0, any... arguments);
+  undefined clearInterval(optional long id = 0);
+
+  // microtask queuing
+  undefined queueMicrotask(VoidFunction callback);
+
+  // ImageBitmap
+  Promise<ImageBitmap> createImageBitmap(ImageBitmapSource image, optional ImageBitmapOptions options = {});
+  Promise<ImageBitmap> createImageBitmap(ImageBitmapSource image, long sx, long sy, long sw, long sh, optional ImageBitmapOptions options = {});
+
+  // structured cloning
+  any structuredClone(any value, optional StructuredSerializeOptions options = {});
+};
+Window includes WindowOrWorkerGlobalScope;
+WorkerGlobalScope includes WindowOrWorkerGlobalScope;
+
+[Exposed=Window]
+interface DOMParser {
+  constructor();
+
+  [NewObject] Document parseFromString(DOMString string, DOMParserSupportedType type);
+};
+
+enum DOMParserSupportedType {
+  "text/html",
+  "text/xml",
+  "application/xml",
+  "application/xhtml+xml",
+  "image/svg+xml"
+};
+
+[Exposed=Window]
+interface Navigator {
+  // objects implementing this interface also implement the interfaces given below
+};
+Navigator includes NavigatorID;
+Navigator includes NavigatorLanguage;
+Navigator includes NavigatorOnLine;
+Navigator includes NavigatorContentUtils;
+Navigator includes NavigatorCookies;
+Navigator includes NavigatorPlugins;
+Navigator includes NavigatorConcurrentHardware;
+
+interface mixin NavigatorID {
+  readonly attribute DOMString appCodeName; // constant "Mozilla"
+  readonly attribute DOMString appName; // constant "Netscape"
+  readonly attribute DOMString appVersion;
+  readonly attribute DOMString platform;
+  readonly attribute DOMString product; // constant "Gecko"
+  [Exposed=Window] readonly attribute DOMString productSub;
+  readonly attribute DOMString userAgent;
+  [Exposed=Window] readonly attribute DOMString vendor;
+  [Exposed=Window] readonly attribute DOMString vendorSub; // constant ""
+};
+
+partial interface mixin NavigatorID {
+  [Exposed=Window] boolean taintEnabled(); // constant false
+  [Exposed=Window] readonly attribute DOMString oscpu;
+};
+
+interface mixin NavigatorLanguage {
+  readonly attribute DOMString language;
+  readonly attribute FrozenArray<DOMString> languages;
+};
+
+interface mixin NavigatorOnLine {
+  readonly attribute boolean onLine;
+};
+
+interface mixin NavigatorContentUtils {
+  [SecureContext] undefined registerProtocolHandler(DOMString scheme, USVString url);
+  [SecureContext] undefined unregisterProtocolHandler(DOMString scheme, USVString url);
+};
+
+interface mixin NavigatorCookies {
+  readonly attribute boolean cookieEnabled;
+};
+
+interface mixin NavigatorPlugins {
+  [SameObject] readonly attribute PluginArray plugins;
+  [SameObject] readonly attribute MimeTypeArray mimeTypes;
+  boolean javaEnabled();
+  readonly attribute boolean pdfViewerEnabled;
+};
+
+[Exposed=Window,
+ LegacyUnenumerableNamedProperties]
+interface PluginArray {
+  undefined refresh();
+  readonly attribute unsigned long length;
+  getter Plugin? item(unsigned long index);
+  getter Plugin? namedItem(DOMString name);
+};
+
+[Exposed=Window,
+ LegacyUnenumerableNamedProperties]
+interface MimeTypeArray {
+  readonly attribute unsigned long length;
+  getter MimeType? item(unsigned long index);
+  getter MimeType? namedItem(DOMString name);
+};
+
+[Exposed=Window,
+ LegacyUnenumerableNamedProperties]
+interface Plugin {
+  readonly attribute DOMString name;
+  readonly attribute DOMString description;
+  readonly attribute DOMString filename;
+  readonly attribute unsigned long length;
+  getter MimeType? item(unsigned long index);
+  getter MimeType? namedItem(DOMString name);
+};
+
+[Exposed=Window]
+interface MimeType {
+  readonly attribute DOMString type;
+  readonly attribute DOMString description;
+  readonly attribute DOMString suffixes;
+  readonly attribute Plugin enabledPlugin;
+};
+
+[Exposed=(Window,Worker), Serializable, Transferable]
+interface ImageBitmap {
+  readonly attribute unsigned long width;
+  readonly attribute unsigned long height;
+  undefined close();
+};
+
+typedef (CanvasImageSource or
+         Blob or
+         ImageData) ImageBitmapSource;
+
+enum ImageOrientation { "none", "flipY" };
+enum PremultiplyAlpha { "none", "premultiply", "default" };
+enum ColorSpaceConversion { "none", "default" };
+enum ResizeQuality { "pixelated", "low", "medium", "high" };
+
+dictionary ImageBitmapOptions {
+  ImageOrientation imageOrientation = "none";
+  PremultiplyAlpha premultiplyAlpha = "default";
+  ColorSpaceConversion colorSpaceConversion = "default";
+  [EnforceRange] unsigned long resizeWidth;
+  [EnforceRange] unsigned long resizeHeight;
+  ResizeQuality resizeQuality = "low";
+};
+
+callback FrameRequestCallback = undefined (DOMHighResTimeStamp time);
+
+interface mixin AnimationFrameProvider {
+  unsigned long requestAnimationFrame(FrameRequestCallback callback);
+  undefined cancelAnimationFrame(unsigned long handle);
+};
+Window includes AnimationFrameProvider;
+DedicatedWorkerGlobalScope includes AnimationFrameProvider;
+
+[Exposed=(Window,Worker,AudioWorklet)]
+interface MessageEvent : Event {
+  constructor(DOMString type, optional MessageEventInit eventInitDict = {});
+
+  readonly attribute any data;
+  readonly attribute USVString origin;
+  readonly attribute DOMString lastEventId;
+  readonly attribute MessageEventSource? source;
+  readonly attribute FrozenArray<MessagePort> ports;
+
+  undefined initMessageEvent(DOMString type, optional boolean bubbles = false, optional boolean cancelable = false, optional any data = null, optional USVString origin = "", optional DOMString lastEventId = "", optional MessageEventSource? source = null, optional sequence<MessagePort> ports = []);
+};
+
+dictionary MessageEventInit : EventInit {
+  any data = null;
+  USVString origin = "";
+  DOMString lastEventId = "";
+  MessageEventSource? source = null;
+  sequence<MessagePort> ports = [];
+};
+
+typedef (WindowProxy or MessagePort or ServiceWorker) MessageEventSource;
+
+[Exposed=(Window,Worker)]
+interface EventSource : EventTarget {
+  constructor(USVString url, optional EventSourceInit eventSourceInitDict = {});
+
+  readonly attribute USVString url;
+  readonly attribute boolean withCredentials;
+
+  // ready state
+  const unsigned short CONNECTING = 0;
+  const unsigned short OPEN = 1;
+  const unsigned short CLOSED = 2;
+  readonly attribute unsigned short readyState;
+
+  // networking
+  attribute EventHandler onopen;
+  attribute EventHandler onmessage;
+  attribute EventHandler onerror;
+  undefined close();
+};
+
+dictionary EventSourceInit {
+  boolean withCredentials = false;
+};
+
+[Exposed=(Window,Worker)]
+interface MessageChannel {
+  constructor();
+
+  readonly attribute MessagePort port1;
+  readonly attribute MessagePort port2;
+};
+
+[Exposed=(Window,Worker,AudioWorklet), Transferable]
+interface MessagePort : EventTarget {
+  undefined postMessage(any message, sequence<object> transfer);
+  undefined postMessage(any message, optional StructuredSerializeOptions options = {});
+  undefined start();
+  undefined close();
+
+  // event handlers
+  attribute EventHandler onmessage;
+  attribute EventHandler onmessageerror;
+};
+
+dictionary StructuredSerializeOptions {
+  sequence<object> transfer = [];
+};
+
+[Exposed=(Window,Worker)]
+interface BroadcastChannel : EventTarget {
+  constructor(DOMString name);
+
+  readonly attribute DOMString name;
+  undefined postMessage(any message);
+  undefined close();
+  attribute EventHandler onmessage;
+  attribute EventHandler onmessageerror;
+};
+
+[Exposed=Worker]
+interface WorkerGlobalScope : EventTarget {
+  readonly attribute WorkerGlobalScope self;
+  readonly attribute WorkerLocation location;
+  readonly attribute WorkerNavigator navigator;
+  undefined importScripts(USVString... urls);
+
+  attribute OnErrorEventHandler onerror;
+  attribute EventHandler onlanguagechange;
+  attribute EventHandler onoffline;
+  attribute EventHandler ononline;
+  attribute EventHandler onrejectionhandled;
+  attribute EventHandler onunhandledrejection;
+};
+
+[Global=(Worker,DedicatedWorker),Exposed=DedicatedWorker]
+interface DedicatedWorkerGlobalScope : WorkerGlobalScope {
+  [Replaceable] readonly attribute DOMString name;
+
+  undefined postMessage(any message, sequence<object> transfer);
+  undefined postMessage(any message, optional StructuredSerializeOptions options = {});
+
+  undefined close();
+
+  attribute EventHandler onmessage;
+  attribute EventHandler onmessageerror;
+};
+
+[Global=(Worker,SharedWorker),Exposed=SharedWorker]
+interface SharedWorkerGlobalScope : WorkerGlobalScope {
+  [Replaceable] readonly attribute DOMString name;
+
+  undefined close();
+
+  attribute EventHandler onconnect;
+};
+
+interface mixin AbstractWorker {
+  attribute EventHandler onerror;
+};
+
+[Exposed=(Window,DedicatedWorker,SharedWorker)]
+interface Worker : EventTarget {
+  constructor(USVString scriptURL, optional WorkerOptions options = {});
+
+  undefined terminate();
+
+  undefined postMessage(any message, sequence<object> transfer);
+  undefined postMessage(any message, optional StructuredSerializeOptions options = {});
+  attribute EventHandler onmessage;
+  attribute EventHandler onmessageerror;
+};
+
+dictionary WorkerOptions {
+  WorkerType type = "classic";
+  RequestCredentials credentials = "same-origin"; // credentials is only used if type is "module"
+  DOMString name = "";
+};
+
+enum WorkerType { "classic", "module" };
+
+Worker includes AbstractWorker;
+
+[Exposed=Window]
+interface SharedWorker : EventTarget {
+  constructor(USVString scriptURL, optional (DOMString or WorkerOptions) options = {});
+
+  readonly attribute MessagePort port;
+};
+SharedWorker includes AbstractWorker;
+
+interface mixin NavigatorConcurrentHardware {
+  readonly attribute unsigned long long hardwareConcurrency;
+};
+
+[Exposed=Worker]
+interface WorkerNavigator {};
+WorkerNavigator includes NavigatorID;
+WorkerNavigator includes NavigatorLanguage;
+WorkerNavigator includes NavigatorOnLine;
+WorkerNavigator includes NavigatorConcurrentHardware;
+
+[Exposed=Worker]
+interface WorkerLocation {
+  stringifier readonly attribute USVString href;
+  readonly attribute USVString origin;
+  readonly attribute USVString protocol;
+  readonly attribute USVString host;
+  readonly attribute USVString hostname;
+  readonly attribute USVString port;
+  readonly attribute USVString pathname;
+  readonly attribute USVString search;
+  readonly attribute USVString hash;
+};
+
+[Exposed=Worklet, SecureContext]
+interface WorkletGlobalScope {};
+
+[Exposed=Window, SecureContext]
+interface Worklet {
+  [NewObject] Promise<undefined> addModule(USVString moduleURL, optional WorkletOptions options = {});
+};
+
+dictionary WorkletOptions {
+  RequestCredentials credentials = "same-origin";
+};
+
+[Exposed=Window]
+interface Storage {
+  readonly attribute unsigned long length;
+  DOMString? key(unsigned long index);
+  getter DOMString? getItem(DOMString key);
+  setter undefined setItem(DOMString key, DOMString value);
+  deleter undefined removeItem(DOMString key);
+  undefined clear();
+};
+
+interface mixin WindowSessionStorage {
+  readonly attribute Storage sessionStorage;
+};
+Window includes WindowSessionStorage;
+
+interface mixin WindowLocalStorage {
+  readonly attribute Storage localStorage;
+};
+Window includes WindowLocalStorage;
+
+[Exposed=Window]
+interface StorageEvent : Event {
+  constructor(DOMString type, optional StorageEventInit eventInitDict = {});
+
+  readonly attribute DOMString? key;
+  readonly attribute DOMString? oldValue;
+  readonly attribute DOMString? newValue;
+  readonly attribute USVString url;
+  readonly attribute Storage? storageArea;
+
+  undefined initStorageEvent(DOMString type, optional boolean bubbles = false, optional boolean cancelable = false, optional DOMString? key = null, optional DOMString? oldValue = null, optional DOMString? newValue = null, optional USVString url = "", optional Storage? storageArea = null);
+};
+
+dictionary StorageEventInit : EventInit {
+  DOMString? key = null;
+  DOMString? oldValue = null;
+  DOMString? newValue = null;
+  USVString url = "";
+  Storage? storageArea = null;
+};
+
+[Exposed=Window]
+interface HTMLMarqueeElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString behavior;
+  [CEReactions] attribute DOMString bgColor;
+  [CEReactions] attribute DOMString direction;
+  [CEReactions] attribute DOMString height;
+  [CEReactions] attribute unsigned long hspace;
+  [CEReactions] attribute long loop;
+  [CEReactions] attribute unsigned long scrollAmount;
+  [CEReactions] attribute unsigned long scrollDelay;
+  [CEReactions] attribute boolean trueSpeed;
+  [CEReactions] attribute unsigned long vspace;
+  [CEReactions] attribute DOMString width;
+
+  undefined start();
+  undefined stop();
+};
+
+[Exposed=Window]
+interface HTMLFrameSetElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString cols;
+  [CEReactions] attribute DOMString rows;
+};
+HTMLFrameSetElement includes WindowEventHandlers;
+
+[Exposed=Window]
+interface HTMLFrameElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString name;
+  [CEReactions] attribute DOMString scrolling;
+  [CEReactions] attribute USVString src;
+  [CEReactions] attribute DOMString frameBorder;
+  [CEReactions] attribute USVString longDesc;
+  [CEReactions] attribute boolean noResize;
+  readonly attribute Document? contentDocument;
+  readonly attribute WindowProxy? contentWindow;
+
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString marginHeight;
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString marginWidth;
+};
+
+partial interface HTMLAnchorElement {
+  [CEReactions] attribute DOMString coords;
+  [CEReactions] attribute DOMString charset;
+  [CEReactions] attribute DOMString name;
+  [CEReactions] attribute DOMString rev;
+  [CEReactions] attribute DOMString shape;
+};
+
+partial interface HTMLAreaElement {
+  [CEReactions] attribute boolean noHref;
+};
+
+partial interface HTMLBodyElement {
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString text;
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString link;
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString vLink;
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString aLink;
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString bgColor;
+  [CEReactions] attribute DOMString background;
+};
+
+partial interface HTMLBRElement {
+  [CEReactions] attribute DOMString clear;
+};
+
+partial interface HTMLTableCaptionElement {
+  [CEReactions] attribute DOMString align;
+};
+
+partial interface HTMLTableColElement {
+  [CEReactions] attribute DOMString align;
+  [CEReactions] attribute DOMString ch;
+  [CEReactions] attribute DOMString chOff;
+  [CEReactions] attribute DOMString vAlign;
+  [CEReactions] attribute DOMString width;
+};
+
+[Exposed=Window]
+interface HTMLDirectoryElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute boolean compact;
+};
+
+partial interface HTMLDivElement {
+  [CEReactions] attribute DOMString align;
+};
+
+partial interface HTMLDListElement {
+  [CEReactions] attribute boolean compact;
+};
+
+partial interface HTMLEmbedElement {
+  [CEReactions] attribute DOMString align;
+  [CEReactions] attribute DOMString name;
+};
+
+[Exposed=Window]
+interface HTMLFontElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString color;
+  [CEReactions] attribute DOMString face;
+  [CEReactions] attribute DOMString size;
+};
+
+partial interface HTMLHeadingElement {
+  [CEReactions] attribute DOMString align;
+};
+
+partial interface HTMLHRElement {
+  [CEReactions] attribute DOMString align;
+  [CEReactions] attribute DOMString color;
+  [CEReactions] attribute boolean noShade;
+  [CEReactions] attribute DOMString size;
+  [CEReactions] attribute DOMString width;
+};
+
+partial interface HTMLHtmlElement {
+  [CEReactions] attribute DOMString version;
+};
+
+partial interface HTMLIFrameElement {
+  [CEReactions] attribute DOMString align;
+  [CEReactions] attribute DOMString scrolling;
+  [CEReactions] attribute DOMString frameBorder;
+  [CEReactions] attribute USVString longDesc;
+
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString marginHeight;
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString marginWidth;
+};
+
+partial interface HTMLImageElement {
+  [CEReactions] attribute DOMString name;
+  [CEReactions] attribute USVString lowsrc;
+  [CEReactions] attribute DOMString align;
+  [CEReactions] attribute unsigned long hspace;
+  [CEReactions] attribute unsigned long vspace;
+  [CEReactions] attribute USVString longDesc;
+
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString border;
+};
+
+partial interface HTMLInputElement {
+  [CEReactions] attribute DOMString align;
+  [CEReactions] attribute DOMString useMap;
+};
+
+partial interface HTMLLegendElement {
+  [CEReactions] attribute DOMString align;
+};
+
+partial interface HTMLLIElement {
+  [CEReactions] attribute DOMString type;
+};
+
+partial interface HTMLLinkElement {
+  [CEReactions] attribute DOMString charset;
+  [CEReactions] attribute DOMString rev;
+  [CEReactions] attribute DOMString target;
+};
+
+partial interface HTMLMenuElement {
+  [CEReactions] attribute boolean compact;
+};
+
+partial interface HTMLMetaElement {
+  [CEReactions] attribute DOMString scheme;
+};
+
+partial interface HTMLObjectElement {
+  [CEReactions] attribute DOMString align;
+  [CEReactions] attribute DOMString archive;
+  [CEReactions] attribute DOMString code;
+  [CEReactions] attribute boolean declare;
+  [CEReactions] attribute unsigned long hspace;
+  [CEReactions] attribute DOMString standby;
+  [CEReactions] attribute unsigned long vspace;
+  [CEReactions] attribute DOMString codeBase;
+  [CEReactions] attribute DOMString codeType;
+  [CEReactions] attribute DOMString useMap;
+
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString border;
+};
+
+partial interface HTMLOListElement {
+  [CEReactions] attribute boolean compact;
+};
+
+partial interface HTMLParagraphElement {
+  [CEReactions] attribute DOMString align;
+};
+
+[Exposed=Window]
+interface HTMLParamElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString name;
+  [CEReactions] attribute DOMString value;
+  [CEReactions] attribute DOMString type;
+  [CEReactions] attribute DOMString valueType;
+};
+
+partial interface HTMLPreElement {
+  [CEReactions] attribute long width;
+};
+
+partial interface HTMLStyleElement {
+  [CEReactions] attribute DOMString type;
+};
+
+partial interface HTMLScriptElement {
+  [CEReactions] attribute DOMString charset;
+  [CEReactions] attribute DOMString event;
+  [CEReactions] attribute DOMString htmlFor;
+};
+
+partial interface HTMLTableElement {
+  [CEReactions] attribute DOMString align;
+  [CEReactions] attribute DOMString border;
+  [CEReactions] attribute DOMString frame;
+  [CEReactions] attribute DOMString rules;
+  [CEReactions] attribute DOMString summary;
+  [CEReactions] attribute DOMString width;
+
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString bgColor;
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString cellPadding;
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString cellSpacing;
+};
+
+partial interface HTMLTableSectionElement {
+  [CEReactions] attribute DOMString align;
+  [CEReactions] attribute DOMString ch;
+  [CEReactions] attribute DOMString chOff;
+  [CEReactions] attribute DOMString vAlign;
+};
+
+partial interface HTMLTableCellElement {
+  [CEReactions] attribute DOMString align;
+  [CEReactions] attribute DOMString axis;
+  [CEReactions] attribute DOMString height;
+  [CEReactions] attribute DOMString width;
+
+  [CEReactions] attribute DOMString ch;
+  [CEReactions] attribute DOMString chOff;
+  [CEReactions] attribute boolean noWrap;
+  [CEReactions] attribute DOMString vAlign;
+
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString bgColor;
+};
+
+partial interface HTMLTableRowElement {
+  [CEReactions] attribute DOMString align;
+  [CEReactions] attribute DOMString ch;
+  [CEReactions] attribute DOMString chOff;
+  [CEReactions] attribute DOMString vAlign;
+
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString bgColor;
+};
+
+partial interface HTMLUListElement {
+  [CEReactions] attribute boolean compact;
+  [CEReactions] attribute DOMString type;
+};
+
+partial interface Document {
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString fgColor;
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString linkColor;
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString vlinkColor;
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString alinkColor;
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString bgColor;
+
+  [SameObject] readonly attribute HTMLCollection anchors;
+  [SameObject] readonly attribute HTMLCollection applets;
+
+  undefined clear();
+  undefined captureEvents();
+  undefined releaseEvents();
+
+  [SameObject] readonly attribute HTMLAllCollection all;
+};
+
+partial interface Window {
+  undefined captureEvents();
+  undefined releaseEvents();
+
+  [Replaceable, SameObject] readonly attribute External external;
+};
+
+[Exposed=Window]
+interface External {
+  undefined AddSearchProvider();
+  undefined IsSearchProviderInstalled();
+};