diff --git a/TS.fsx b/TS.fsx
index 1b900f3bb..30720c269 100644
--- a/TS.fsx
+++ b/TS.fsx
@@ -133,8 +133,8 @@ let EmitGetElementsByTagNameOverloads (m: Browser.Method) =
 let EmitQuerySelectorOverloads (m: Browser.Method) =
     if matchSingleParamMethodSignature m "querySelector" "Element" "string" then
         for e in tagNameToEleName do
-            Pt.printl "querySelector(selectors: \"%s\"): %s;" (e.Key.ToLower()) e.Value
-        Pt.printl "querySelector(selectors: string): Element;"
+            Pt.printl "querySelector(selectors: \"%s\"): %s | null;" (e.Key.ToLower()) e.Value
+        Pt.printl "querySelector(selectors: string): Element | null;"
 
 /// Emit overloads for the querySelectorAll method
 let EmitQuerySelectorAllOverloads (m: Browser.Method) =
diff --git a/baselines/dom.generated.d.ts b/baselines/dom.generated.d.ts
index 2cc4b8db9..41e6bdb5c 100644
--- a/baselines/dom.generated.d.ts
+++ b/baselines/dom.generated.d.ts
@@ -13517,183 +13517,183 @@ interface NavigatorUserMedia {
 }
 
 interface NodeSelector {
-    querySelector(selectors: "a"): HTMLAnchorElement;
-    querySelector(selectors: "abbr"): HTMLElement;
-    querySelector(selectors: "acronym"): HTMLElement;
-    querySelector(selectors: "address"): HTMLElement;
-    querySelector(selectors: "applet"): HTMLAppletElement;
-    querySelector(selectors: "area"): HTMLAreaElement;
-    querySelector(selectors: "article"): HTMLElement;
-    querySelector(selectors: "aside"): HTMLElement;
-    querySelector(selectors: "audio"): HTMLAudioElement;
-    querySelector(selectors: "b"): HTMLElement;
-    querySelector(selectors: "base"): HTMLBaseElement;
-    querySelector(selectors: "basefont"): HTMLBaseFontElement;
-    querySelector(selectors: "bdo"): HTMLElement;
-    querySelector(selectors: "big"): HTMLElement;
-    querySelector(selectors: "blockquote"): HTMLQuoteElement;
-    querySelector(selectors: "body"): HTMLBodyElement;
-    querySelector(selectors: "br"): HTMLBRElement;
-    querySelector(selectors: "button"): HTMLButtonElement;
-    querySelector(selectors: "canvas"): HTMLCanvasElement;
-    querySelector(selectors: "caption"): HTMLTableCaptionElement;
-    querySelector(selectors: "center"): HTMLElement;
-    querySelector(selectors: "circle"): SVGCircleElement;
-    querySelector(selectors: "cite"): HTMLElement;
-    querySelector(selectors: "clippath"): SVGClipPathElement;
-    querySelector(selectors: "code"): HTMLElement;
-    querySelector(selectors: "col"): HTMLTableColElement;
-    querySelector(selectors: "colgroup"): HTMLTableColElement;
-    querySelector(selectors: "datalist"): HTMLDataListElement;
-    querySelector(selectors: "dd"): HTMLElement;
-    querySelector(selectors: "defs"): SVGDefsElement;
-    querySelector(selectors: "del"): HTMLModElement;
-    querySelector(selectors: "desc"): SVGDescElement;
-    querySelector(selectors: "dfn"): HTMLElement;
-    querySelector(selectors: "dir"): HTMLDirectoryElement;
-    querySelector(selectors: "div"): HTMLDivElement;
-    querySelector(selectors: "dl"): HTMLDListElement;
-    querySelector(selectors: "dt"): HTMLElement;
-    querySelector(selectors: "ellipse"): SVGEllipseElement;
-    querySelector(selectors: "em"): HTMLElement;
-    querySelector(selectors: "embed"): HTMLEmbedElement;
-    querySelector(selectors: "feblend"): SVGFEBlendElement;
-    querySelector(selectors: "fecolormatrix"): SVGFEColorMatrixElement;
-    querySelector(selectors: "fecomponenttransfer"): SVGFEComponentTransferElement;
-    querySelector(selectors: "fecomposite"): SVGFECompositeElement;
-    querySelector(selectors: "feconvolvematrix"): SVGFEConvolveMatrixElement;
-    querySelector(selectors: "fediffuselighting"): SVGFEDiffuseLightingElement;
-    querySelector(selectors: "fedisplacementmap"): SVGFEDisplacementMapElement;
-    querySelector(selectors: "fedistantlight"): SVGFEDistantLightElement;
-    querySelector(selectors: "feflood"): SVGFEFloodElement;
-    querySelector(selectors: "fefunca"): SVGFEFuncAElement;
-    querySelector(selectors: "fefuncb"): SVGFEFuncBElement;
-    querySelector(selectors: "fefuncg"): SVGFEFuncGElement;
-    querySelector(selectors: "fefuncr"): SVGFEFuncRElement;
-    querySelector(selectors: "fegaussianblur"): SVGFEGaussianBlurElement;
-    querySelector(selectors: "feimage"): SVGFEImageElement;
-    querySelector(selectors: "femerge"): SVGFEMergeElement;
-    querySelector(selectors: "femergenode"): SVGFEMergeNodeElement;
-    querySelector(selectors: "femorphology"): SVGFEMorphologyElement;
-    querySelector(selectors: "feoffset"): SVGFEOffsetElement;
-    querySelector(selectors: "fepointlight"): SVGFEPointLightElement;
-    querySelector(selectors: "fespecularlighting"): SVGFESpecularLightingElement;
-    querySelector(selectors: "fespotlight"): SVGFESpotLightElement;
-    querySelector(selectors: "fetile"): SVGFETileElement;
-    querySelector(selectors: "feturbulence"): SVGFETurbulenceElement;
-    querySelector(selectors: "fieldset"): HTMLFieldSetElement;
-    querySelector(selectors: "figcaption"): HTMLElement;
-    querySelector(selectors: "figure"): HTMLElement;
-    querySelector(selectors: "filter"): SVGFilterElement;
-    querySelector(selectors: "font"): HTMLFontElement;
-    querySelector(selectors: "footer"): HTMLElement;
-    querySelector(selectors: "foreignobject"): SVGForeignObjectElement;
-    querySelector(selectors: "form"): HTMLFormElement;
-    querySelector(selectors: "frame"): HTMLFrameElement;
-    querySelector(selectors: "frameset"): HTMLFrameSetElement;
-    querySelector(selectors: "g"): SVGGElement;
-    querySelector(selectors: "h1"): HTMLHeadingElement;
-    querySelector(selectors: "h2"): HTMLHeadingElement;
-    querySelector(selectors: "h3"): HTMLHeadingElement;
-    querySelector(selectors: "h4"): HTMLHeadingElement;
-    querySelector(selectors: "h5"): HTMLHeadingElement;
-    querySelector(selectors: "h6"): HTMLHeadingElement;
-    querySelector(selectors: "head"): HTMLHeadElement;
-    querySelector(selectors: "header"): HTMLElement;
-    querySelector(selectors: "hgroup"): HTMLElement;
-    querySelector(selectors: "hr"): HTMLHRElement;
-    querySelector(selectors: "html"): HTMLHtmlElement;
-    querySelector(selectors: "i"): HTMLElement;
-    querySelector(selectors: "iframe"): HTMLIFrameElement;
-    querySelector(selectors: "image"): SVGImageElement;
-    querySelector(selectors: "img"): HTMLImageElement;
-    querySelector(selectors: "input"): HTMLInputElement;
-    querySelector(selectors: "ins"): HTMLModElement;
-    querySelector(selectors: "isindex"): HTMLUnknownElement;
-    querySelector(selectors: "kbd"): HTMLElement;
-    querySelector(selectors: "keygen"): HTMLElement;
-    querySelector(selectors: "label"): HTMLLabelElement;
-    querySelector(selectors: "legend"): HTMLLegendElement;
-    querySelector(selectors: "li"): HTMLLIElement;
-    querySelector(selectors: "line"): SVGLineElement;
-    querySelector(selectors: "lineargradient"): SVGLinearGradientElement;
-    querySelector(selectors: "link"): HTMLLinkElement;
-    querySelector(selectors: "listing"): HTMLPreElement;
-    querySelector(selectors: "map"): HTMLMapElement;
-    querySelector(selectors: "mark"): HTMLElement;
-    querySelector(selectors: "marker"): SVGMarkerElement;
-    querySelector(selectors: "marquee"): HTMLMarqueeElement;
-    querySelector(selectors: "mask"): SVGMaskElement;
-    querySelector(selectors: "menu"): HTMLMenuElement;
-    querySelector(selectors: "meta"): HTMLMetaElement;
-    querySelector(selectors: "metadata"): SVGMetadataElement;
-    querySelector(selectors: "meter"): HTMLMeterElement;
-    querySelector(selectors: "nav"): HTMLElement;
-    querySelector(selectors: "nextid"): HTMLUnknownElement;
-    querySelector(selectors: "nobr"): HTMLElement;
-    querySelector(selectors: "noframes"): HTMLElement;
-    querySelector(selectors: "noscript"): HTMLElement;
-    querySelector(selectors: "object"): HTMLObjectElement;
-    querySelector(selectors: "ol"): HTMLOListElement;
-    querySelector(selectors: "optgroup"): HTMLOptGroupElement;
-    querySelector(selectors: "option"): HTMLOptionElement;
-    querySelector(selectors: "p"): HTMLParagraphElement;
-    querySelector(selectors: "param"): HTMLParamElement;
-    querySelector(selectors: "path"): SVGPathElement;
-    querySelector(selectors: "pattern"): SVGPatternElement;
-    querySelector(selectors: "picture"): HTMLPictureElement;
-    querySelector(selectors: "plaintext"): HTMLElement;
-    querySelector(selectors: "polygon"): SVGPolygonElement;
-    querySelector(selectors: "polyline"): SVGPolylineElement;
-    querySelector(selectors: "pre"): HTMLPreElement;
-    querySelector(selectors: "progress"): HTMLProgressElement;
-    querySelector(selectors: "q"): HTMLQuoteElement;
-    querySelector(selectors: "radialgradient"): SVGRadialGradientElement;
-    querySelector(selectors: "rect"): SVGRectElement;
-    querySelector(selectors: "rt"): HTMLElement;
-    querySelector(selectors: "ruby"): HTMLElement;
-    querySelector(selectors: "s"): HTMLElement;
-    querySelector(selectors: "samp"): HTMLElement;
-    querySelector(selectors: "script"): HTMLScriptElement;
-    querySelector(selectors: "section"): HTMLElement;
-    querySelector(selectors: "select"): HTMLSelectElement;
-    querySelector(selectors: "small"): HTMLElement;
-    querySelector(selectors: "source"): HTMLSourceElement;
-    querySelector(selectors: "span"): HTMLSpanElement;
-    querySelector(selectors: "stop"): SVGStopElement;
-    querySelector(selectors: "strike"): HTMLElement;
-    querySelector(selectors: "strong"): HTMLElement;
-    querySelector(selectors: "style"): HTMLStyleElement;
-    querySelector(selectors: "sub"): HTMLElement;
-    querySelector(selectors: "sup"): HTMLElement;
-    querySelector(selectors: "svg"): SVGSVGElement;
-    querySelector(selectors: "switch"): SVGSwitchElement;
-    querySelector(selectors: "symbol"): SVGSymbolElement;
-    querySelector(selectors: "table"): HTMLTableElement;
-    querySelector(selectors: "tbody"): HTMLTableSectionElement;
-    querySelector(selectors: "td"): HTMLTableDataCellElement;
-    querySelector(selectors: "template"): HTMLTemplateElement;
-    querySelector(selectors: "text"): SVGTextElement;
-    querySelector(selectors: "textpath"): SVGTextPathElement;
-    querySelector(selectors: "textarea"): HTMLTextAreaElement;
-    querySelector(selectors: "tfoot"): HTMLTableSectionElement;
-    querySelector(selectors: "th"): HTMLTableHeaderCellElement;
-    querySelector(selectors: "thead"): HTMLTableSectionElement;
-    querySelector(selectors: "title"): HTMLTitleElement;
-    querySelector(selectors: "tr"): HTMLTableRowElement;
-    querySelector(selectors: "track"): HTMLTrackElement;
-    querySelector(selectors: "tspan"): SVGTSpanElement;
-    querySelector(selectors: "tt"): HTMLElement;
-    querySelector(selectors: "u"): HTMLElement;
-    querySelector(selectors: "ul"): HTMLUListElement;
-    querySelector(selectors: "use"): SVGUseElement;
-    querySelector(selectors: "var"): HTMLElement;
-    querySelector(selectors: "video"): HTMLVideoElement;
-    querySelector(selectors: "view"): SVGViewElement;
-    querySelector(selectors: "wbr"): HTMLElement;
-    querySelector(selectors: "x-ms-webview"): MSHTMLWebViewElement;
-    querySelector(selectors: "xmp"): HTMLPreElement;
-    querySelector(selectors: string): Element;
+    querySelector(selectors: "a"): HTMLAnchorElement | null;
+    querySelector(selectors: "abbr"): HTMLElement | null;
+    querySelector(selectors: "acronym"): HTMLElement | null;
+    querySelector(selectors: "address"): HTMLElement | null;
+    querySelector(selectors: "applet"): HTMLAppletElement | null;
+    querySelector(selectors: "area"): HTMLAreaElement | null;
+    querySelector(selectors: "article"): HTMLElement | null;
+    querySelector(selectors: "aside"): HTMLElement | null;
+    querySelector(selectors: "audio"): HTMLAudioElement | null;
+    querySelector(selectors: "b"): HTMLElement | null;
+    querySelector(selectors: "base"): HTMLBaseElement | null;
+    querySelector(selectors: "basefont"): HTMLBaseFontElement | null;
+    querySelector(selectors: "bdo"): HTMLElement | null;
+    querySelector(selectors: "big"): HTMLElement | null;
+    querySelector(selectors: "blockquote"): HTMLQuoteElement | null;
+    querySelector(selectors: "body"): HTMLBodyElement | null;
+    querySelector(selectors: "br"): HTMLBRElement | null;
+    querySelector(selectors: "button"): HTMLButtonElement | null;
+    querySelector(selectors: "canvas"): HTMLCanvasElement | null;
+    querySelector(selectors: "caption"): HTMLTableCaptionElement | null;
+    querySelector(selectors: "center"): HTMLElement | null;
+    querySelector(selectors: "circle"): SVGCircleElement | null;
+    querySelector(selectors: "cite"): HTMLElement | null;
+    querySelector(selectors: "clippath"): SVGClipPathElement | null;
+    querySelector(selectors: "code"): HTMLElement | null;
+    querySelector(selectors: "col"): HTMLTableColElement | null;
+    querySelector(selectors: "colgroup"): HTMLTableColElement | null;
+    querySelector(selectors: "datalist"): HTMLDataListElement | null;
+    querySelector(selectors: "dd"): HTMLElement | null;
+    querySelector(selectors: "defs"): SVGDefsElement | null;
+    querySelector(selectors: "del"): HTMLModElement | null;
+    querySelector(selectors: "desc"): SVGDescElement | null;
+    querySelector(selectors: "dfn"): HTMLElement | null;
+    querySelector(selectors: "dir"): HTMLDirectoryElement | null;
+    querySelector(selectors: "div"): HTMLDivElement | null;
+    querySelector(selectors: "dl"): HTMLDListElement | null;
+    querySelector(selectors: "dt"): HTMLElement | null;
+    querySelector(selectors: "ellipse"): SVGEllipseElement | null;
+    querySelector(selectors: "em"): HTMLElement | null;
+    querySelector(selectors: "embed"): HTMLEmbedElement | null;
+    querySelector(selectors: "feblend"): SVGFEBlendElement | null;
+    querySelector(selectors: "fecolormatrix"): SVGFEColorMatrixElement | null;
+    querySelector(selectors: "fecomponenttransfer"): SVGFEComponentTransferElement | null;
+    querySelector(selectors: "fecomposite"): SVGFECompositeElement | null;
+    querySelector(selectors: "feconvolvematrix"): SVGFEConvolveMatrixElement | null;
+    querySelector(selectors: "fediffuselighting"): SVGFEDiffuseLightingElement | null;
+    querySelector(selectors: "fedisplacementmap"): SVGFEDisplacementMapElement | null;
+    querySelector(selectors: "fedistantlight"): SVGFEDistantLightElement | null;
+    querySelector(selectors: "feflood"): SVGFEFloodElement | null;
+    querySelector(selectors: "fefunca"): SVGFEFuncAElement | null;
+    querySelector(selectors: "fefuncb"): SVGFEFuncBElement | null;
+    querySelector(selectors: "fefuncg"): SVGFEFuncGElement | null;
+    querySelector(selectors: "fefuncr"): SVGFEFuncRElement | null;
+    querySelector(selectors: "fegaussianblur"): SVGFEGaussianBlurElement | null;
+    querySelector(selectors: "feimage"): SVGFEImageElement | null;
+    querySelector(selectors: "femerge"): SVGFEMergeElement | null;
+    querySelector(selectors: "femergenode"): SVGFEMergeNodeElement | null;
+    querySelector(selectors: "femorphology"): SVGFEMorphologyElement | null;
+    querySelector(selectors: "feoffset"): SVGFEOffsetElement | null;
+    querySelector(selectors: "fepointlight"): SVGFEPointLightElement | null;
+    querySelector(selectors: "fespecularlighting"): SVGFESpecularLightingElement | null;
+    querySelector(selectors: "fespotlight"): SVGFESpotLightElement | null;
+    querySelector(selectors: "fetile"): SVGFETileElement | null;
+    querySelector(selectors: "feturbulence"): SVGFETurbulenceElement | null;
+    querySelector(selectors: "fieldset"): HTMLFieldSetElement | null;
+    querySelector(selectors: "figcaption"): HTMLElement | null;
+    querySelector(selectors: "figure"): HTMLElement | null;
+    querySelector(selectors: "filter"): SVGFilterElement | null;
+    querySelector(selectors: "font"): HTMLFontElement | null;
+    querySelector(selectors: "footer"): HTMLElement | null;
+    querySelector(selectors: "foreignobject"): SVGForeignObjectElement | null;
+    querySelector(selectors: "form"): HTMLFormElement | null;
+    querySelector(selectors: "frame"): HTMLFrameElement | null;
+    querySelector(selectors: "frameset"): HTMLFrameSetElement | null;
+    querySelector(selectors: "g"): SVGGElement | null;
+    querySelector(selectors: "h1"): HTMLHeadingElement | null;
+    querySelector(selectors: "h2"): HTMLHeadingElement | null;
+    querySelector(selectors: "h3"): HTMLHeadingElement | null;
+    querySelector(selectors: "h4"): HTMLHeadingElement | null;
+    querySelector(selectors: "h5"): HTMLHeadingElement | null;
+    querySelector(selectors: "h6"): HTMLHeadingElement | null;
+    querySelector(selectors: "head"): HTMLHeadElement | null;
+    querySelector(selectors: "header"): HTMLElement | null;
+    querySelector(selectors: "hgroup"): HTMLElement | null;
+    querySelector(selectors: "hr"): HTMLHRElement | null;
+    querySelector(selectors: "html"): HTMLHtmlElement | null;
+    querySelector(selectors: "i"): HTMLElement | null;
+    querySelector(selectors: "iframe"): HTMLIFrameElement | null;
+    querySelector(selectors: "image"): SVGImageElement | null;
+    querySelector(selectors: "img"): HTMLImageElement | null;
+    querySelector(selectors: "input"): HTMLInputElement | null;
+    querySelector(selectors: "ins"): HTMLModElement | null;
+    querySelector(selectors: "isindex"): HTMLUnknownElement | null;
+    querySelector(selectors: "kbd"): HTMLElement | null;
+    querySelector(selectors: "keygen"): HTMLElement | null;
+    querySelector(selectors: "label"): HTMLLabelElement | null;
+    querySelector(selectors: "legend"): HTMLLegendElement | null;
+    querySelector(selectors: "li"): HTMLLIElement | null;
+    querySelector(selectors: "line"): SVGLineElement | null;
+    querySelector(selectors: "lineargradient"): SVGLinearGradientElement | null;
+    querySelector(selectors: "link"): HTMLLinkElement | null;
+    querySelector(selectors: "listing"): HTMLPreElement | null;
+    querySelector(selectors: "map"): HTMLMapElement | null;
+    querySelector(selectors: "mark"): HTMLElement | null;
+    querySelector(selectors: "marker"): SVGMarkerElement | null;
+    querySelector(selectors: "marquee"): HTMLMarqueeElement | null;
+    querySelector(selectors: "mask"): SVGMaskElement | null;
+    querySelector(selectors: "menu"): HTMLMenuElement | null;
+    querySelector(selectors: "meta"): HTMLMetaElement | null;
+    querySelector(selectors: "metadata"): SVGMetadataElement | null;
+    querySelector(selectors: "meter"): HTMLMeterElement | null;
+    querySelector(selectors: "nav"): HTMLElement | null;
+    querySelector(selectors: "nextid"): HTMLUnknownElement | null;
+    querySelector(selectors: "nobr"): HTMLElement | null;
+    querySelector(selectors: "noframes"): HTMLElement | null;
+    querySelector(selectors: "noscript"): HTMLElement | null;
+    querySelector(selectors: "object"): HTMLObjectElement | null;
+    querySelector(selectors: "ol"): HTMLOListElement | null;
+    querySelector(selectors: "optgroup"): HTMLOptGroupElement | null;
+    querySelector(selectors: "option"): HTMLOptionElement | null;
+    querySelector(selectors: "p"): HTMLParagraphElement | null;
+    querySelector(selectors: "param"): HTMLParamElement | null;
+    querySelector(selectors: "path"): SVGPathElement | null;
+    querySelector(selectors: "pattern"): SVGPatternElement | null;
+    querySelector(selectors: "picture"): HTMLPictureElement | null;
+    querySelector(selectors: "plaintext"): HTMLElement | null;
+    querySelector(selectors: "polygon"): SVGPolygonElement | null;
+    querySelector(selectors: "polyline"): SVGPolylineElement | null;
+    querySelector(selectors: "pre"): HTMLPreElement | null;
+    querySelector(selectors: "progress"): HTMLProgressElement | null;
+    querySelector(selectors: "q"): HTMLQuoteElement | null;
+    querySelector(selectors: "radialgradient"): SVGRadialGradientElement | null;
+    querySelector(selectors: "rect"): SVGRectElement | null;
+    querySelector(selectors: "rt"): HTMLElement | null;
+    querySelector(selectors: "ruby"): HTMLElement | null;
+    querySelector(selectors: "s"): HTMLElement | null;
+    querySelector(selectors: "samp"): HTMLElement | null;
+    querySelector(selectors: "script"): HTMLScriptElement | null;
+    querySelector(selectors: "section"): HTMLElement | null;
+    querySelector(selectors: "select"): HTMLSelectElement | null;
+    querySelector(selectors: "small"): HTMLElement | null;
+    querySelector(selectors: "source"): HTMLSourceElement | null;
+    querySelector(selectors: "span"): HTMLSpanElement | null;
+    querySelector(selectors: "stop"): SVGStopElement | null;
+    querySelector(selectors: "strike"): HTMLElement | null;
+    querySelector(selectors: "strong"): HTMLElement | null;
+    querySelector(selectors: "style"): HTMLStyleElement | null;
+    querySelector(selectors: "sub"): HTMLElement | null;
+    querySelector(selectors: "sup"): HTMLElement | null;
+    querySelector(selectors: "svg"): SVGSVGElement | null;
+    querySelector(selectors: "switch"): SVGSwitchElement | null;
+    querySelector(selectors: "symbol"): SVGSymbolElement | null;
+    querySelector(selectors: "table"): HTMLTableElement | null;
+    querySelector(selectors: "tbody"): HTMLTableSectionElement | null;
+    querySelector(selectors: "td"): HTMLTableDataCellElement | null;
+    querySelector(selectors: "template"): HTMLTemplateElement | null;
+    querySelector(selectors: "text"): SVGTextElement | null;
+    querySelector(selectors: "textpath"): SVGTextPathElement | null;
+    querySelector(selectors: "textarea"): HTMLTextAreaElement | null;
+    querySelector(selectors: "tfoot"): HTMLTableSectionElement | null;
+    querySelector(selectors: "th"): HTMLTableHeaderCellElement | null;
+    querySelector(selectors: "thead"): HTMLTableSectionElement | null;
+    querySelector(selectors: "title"): HTMLTitleElement | null;
+    querySelector(selectors: "tr"): HTMLTableRowElement | null;
+    querySelector(selectors: "track"): HTMLTrackElement | null;
+    querySelector(selectors: "tspan"): SVGTSpanElement | null;
+    querySelector(selectors: "tt"): HTMLElement | null;
+    querySelector(selectors: "u"): HTMLElement | null;
+    querySelector(selectors: "ul"): HTMLUListElement | null;
+    querySelector(selectors: "use"): SVGUseElement | null;
+    querySelector(selectors: "var"): HTMLElement | null;
+    querySelector(selectors: "video"): HTMLVideoElement | null;
+    querySelector(selectors: "view"): SVGViewElement | null;
+    querySelector(selectors: "wbr"): HTMLElement | null;
+    querySelector(selectors: "x-ms-webview"): MSHTMLWebViewElement | null;
+    querySelector(selectors: "xmp"): HTMLPreElement | null;
+    querySelector(selectors: string): Element | null;
     querySelectorAll(selectors: "a"): NodeListOf<HTMLAnchorElement>;
     querySelectorAll(selectors: "abbr"): NodeListOf<HTMLElement>;
     querySelectorAll(selectors: "acronym"): NodeListOf<HTMLElement>;