diff --git a/types/rax/README.md b/types/rax/README.md
new file mode 100644
index 0000000000..e272a1a2c2
--- /dev/null
+++ b/types/rax/README.md
@@ -0,0 +1,130 @@
+# @types/rax [![npm](https://img.shields.io/npm/v/@types/rax.svg)](https://www.npmjs.com/package/@types/rax)
+
+# Installation
+```
+npm install --save @types/rax
+```
+
+# Config
+
+Add `node_modules/@types/rax` to your tsconifg.json file, like so:
+```json
+{
+  "compilerOptions": {
+    "typeRoots": [
+      "types",
+    ],
+    "paths": {
+      "rax": ["node_modules/@types/rax"]
+    }
+  }
+}
+```
+
+# Usage
+
+## Hooks
+
+```tsx
+import * as Rax from 'rax';
+
+const createElement = Rax.createElement;
+
+// FunctionComponent
+interface PersonProps {
+  name: string;
+  age: number;
+}
+const Person: Rax.FunctionComponent<PersonProps> = (props) => {
+  return (
+    <text>
+      hello! I'm {props.name} and I'm {props.age} years old!
+    </text>
+  );
+};
+
+// FunctionComponent With Ref
+export interface FancyButtonProps {
+  onClick: () => void;
+  children?: Rax.RaxNode;
+}
+export interface FancyButton {
+  getClickCount(): number;
+}
+export const FancyButton = Rax.forwardRef((props: FancyButtonProps, ref: Rax.Ref<FancyButton>) => {
+  const [count, setCount] = Rax.useState(0);
+
+  Rax.useImperativeHandle(ref, () => ({
+    getClickCount() {
+      return count;
+    }
+  }));
+
+  return (
+    <div
+      onClick={() => {
+        setCount(count + 1);
+        props.onClick();
+      }}
+    >
+      {props.children}
+    </div>
+  );
+});
+
+interface AppState {
+  name: string;
+  age: number;
+}
+
+type AppActions = { type: 'getOlder' } | { type: 'resetAge' };
+
+function reducer(s: AppState, action: AppActions): AppState {
+  switch (action.type) {
+    case 'getOlder':
+      return { ...s, age: s.age + 1 };
+    case 'resetAge':
+      return { ...s, age: 0 };
+  }
+}
+
+const initialState = {
+  name: 'Rax',
+  age: 18
+};
+
+export function App() {
+  const [state, dispatch] = Rax.useReducer(reducer, initialState);
+  const birthdayRef = Rax.useRef<FancyButton>(null);
+
+  Rax.useLayoutEffect(() => {
+    if (birthdayRef.current !== null) {
+      birthdayRef.current.getClickCount();
+    } else {
+      // this looks redundant but it ensures the type actually has "null" in it instead of "never"
+      // $ExpectType null
+      console.log(birthdayRef.current);
+    }
+  });
+
+  return (
+    <Rax.Fragment>
+      <Person {...state} />
+      <FancyButton
+        onClick={() => {
+          if (birthdayRef.current !== null) {
+            console.log(birthdayRef.current.getClickCount());
+          }
+          dispatch({ type: 'getOlder' });
+        }}
+        ref={birthdayRef}
+      >
+        Birthday time!
+      </FancyButton>
+      <FancyButton onClick={() => dispatch({ type: 'resetAge' })}>Let's start over.</FancyButton>
+    </Rax.Fragment>
+  );
+}
+
+export default App;
+```
diff --git a/types/rax/global.d.ts b/types/rax/global.d.ts
new file mode 100644
index 0000000000..c9ddef6712
--- /dev/null
+++ b/types/rax/global.d.ts
@@ -0,0 +1,145 @@
+/*
+Warning: all of these interfaces are empty. If you want type definitions for various properties
+(such as HTMLInputElement.prototype.value), you need to add `--lib DOM` (via command line or tsconfig.json).
+*/
+
+interface Event { }
+interface AnimationEvent extends Event { }
+interface ClipboardEvent extends Event { }
+interface CompositionEvent extends Event { }
+interface DragEvent extends Event { }
+interface FocusEvent extends Event { }
+interface KeyboardEvent extends Event { }
+interface MouseEvent extends Event { }
+interface TouchEvent extends Event { }
+interface PointerEvent extends Event { }
+interface TransitionEvent extends Event { }
+interface UIEvent extends Event { }
+interface WheelEvent extends Event { }
+
+interface EventTarget { }
+interface Document { }
+interface DataTransfer { }
+interface StyleMedia { }
+
+interface Element { }
+
+interface HTMLElement extends Element { }
+interface HTMLAnchorElement extends HTMLElement { }
+interface HTMLAreaElement extends HTMLElement { }
+interface HTMLAudioElement extends HTMLElement { }
+interface HTMLBaseElement extends HTMLElement { }
+interface HTMLBodyElement extends HTMLElement { }
+interface HTMLBRElement extends HTMLElement { }
+interface HTMLButtonElement extends HTMLElement { }
+interface HTMLCanvasElement extends HTMLElement { }
+interface HTMLDataElement extends HTMLElement { }
+interface HTMLDataListElement extends HTMLElement { }
+interface HTMLDialogElement extends HTMLElement { }
+interface HTMLDivElement extends HTMLElement { }
+interface HTMLDListElement extends HTMLElement { }
+interface HTMLEmbedElement extends HTMLElement { }
+interface HTMLFieldSetElement extends HTMLElement { }
+interface HTMLFormElement extends HTMLElement { }
+interface HTMLHeadingElement extends HTMLElement { }
+interface HTMLHeadElement extends HTMLElement { }
+interface HTMLHRElement extends HTMLElement { }
+interface HTMLHtmlElement extends HTMLElement { }
+interface HTMLIFrameElement extends HTMLElement { }
+interface HTMLImageElement extends HTMLElement { }
+interface HTMLInputElement extends HTMLElement { }
+interface HTMLModElement extends HTMLElement { }
+interface HTMLLabelElement extends HTMLElement { }
+interface HTMLLegendElement extends HTMLElement { }
+interface HTMLLIElement extends HTMLElement { }
+interface HTMLLinkElement extends HTMLElement { }
+interface HTMLMapElement extends HTMLElement { }
+interface HTMLMetaElement extends HTMLElement { }
+interface HTMLObjectElement extends HTMLElement { }
+interface HTMLOListElement extends HTMLElement { }
+interface HTMLOptGroupElement extends HTMLElement { }
+interface HTMLOptionElement extends HTMLElement { }
+interface HTMLParagraphElement extends HTMLElement { }
+interface HTMLParamElement extends HTMLElement { }
+interface HTMLPreElement extends HTMLElement { }
+interface HTMLProgressElement extends HTMLElement { }
+interface HTMLQuoteElement extends HTMLElement { }
+interface HTMLScriptElement extends HTMLElement { }
+interface HTMLSelectElement extends HTMLElement { }
+interface HTMLSourceElement extends HTMLElement { }
+interface HTMLSpanElement extends HTMLElement { }
+interface HTMLStyleElement extends HTMLElement { }
+interface HTMLTableElement extends HTMLElement { }
+interface HTMLTableColElement extends HTMLElement { }
+interface HTMLTableDataCellElement extends HTMLElement { }
+interface HTMLTableHeaderCellElement extends HTMLElement { }
+interface HTMLTableRowElement extends HTMLElement { }
+interface HTMLTableSectionElement extends HTMLElement { }
+interface HTMLTemplateElement extends HTMLElement { }
+interface HTMLTextAreaElement extends HTMLElement { }
+interface HTMLTitleElement extends HTMLElement { }
+interface HTMLTrackElement extends HTMLElement { }
+interface HTMLUListElement extends HTMLElement { }
+interface HTMLVideoElement extends HTMLElement { }
+interface HTMLWebViewElement extends HTMLElement { }
+
+interface SVGElement extends Element { }
+interface SVGSVGElement extends SVGElement { }
+interface SVGCircleElement extends SVGElement { }
+interface SVGClipPathElement extends SVGElement { }
+interface SVGDefsElement extends SVGElement { }
+interface SVGDescElement extends SVGElement { }
+interface SVGEllipseElement extends SVGElement { }
+interface SVGFEBlendElement extends SVGElement { }
+interface SVGFEColorMatrixElement extends SVGElement { }
+interface SVGFEComponentTransferElement extends SVGElement { }
+interface SVGFECompositeElement extends SVGElement { }
+interface SVGFEConvolveMatrixElement extends SVGElement { }
+interface SVGFEDiffuseLightingElement extends SVGElement { }
+interface SVGFEDisplacementMapElement extends SVGElement { }
+interface SVGFEDistantLightElement extends SVGElement { }
+interface SVGFEDropShadowElement extends SVGElement { }
+interface SVGFEFloodElement extends SVGElement { }
+interface SVGFEFuncAElement extends SVGElement { }
+interface SVGFEFuncBElement extends SVGElement { }
+interface SVGFEFuncGElement extends SVGElement { }
+interface SVGFEFuncRElement extends SVGElement { }
+interface SVGFEGaussianBlurElement extends SVGElement { }
+interface SVGFEImageElement extends SVGElement { }
+interface SVGFEMergeElement extends SVGElement { }
+interface SVGFEMergeNodeElement extends SVGElement { }
+interface SVGFEMorphologyElement extends SVGElement { }
+interface SVGFEOffsetElement extends SVGElement { }
+interface SVGFEPointLightElement extends SVGElement { }
+interface SVGFESpecularLightingElement extends SVGElement { }
+interface SVGFESpotLightElement extends SVGElement { }
+interface SVGFETileElement extends SVGElement { }
+interface SVGFETurbulenceElement extends SVGElement { }
+interface SVGFilterElement extends SVGElement { }
+interface SVGForeignObjectElement extends SVGElement { }
+interface SVGGElement extends SVGElement { }
+interface SVGImageElement extends SVGElement { }
+interface SVGLineElement extends SVGElement { }
+interface SVGLinearGradientElement extends SVGElement { }
+interface SVGMarkerElement extends SVGElement { }
+interface SVGMaskElement extends SVGElement { }
+interface SVGMetadataElement extends SVGElement { }
+interface SVGPathElement extends SVGElement { }
+interface SVGPatternElement extends SVGElement { }
+interface SVGPolygonElement extends SVGElement { }
+interface SVGPolylineElement extends SVGElement { }
+interface SVGRadialGradientElement extends SVGElement { }
+interface SVGRectElement extends SVGElement { }
+interface SVGStopElement extends SVGElement { }
+interface SVGSwitchElement extends SVGElement { }
+interface SVGSymbolElement extends SVGElement { }
+interface SVGTextElement extends SVGElement { }
+interface SVGTextPathElement extends SVGElement { }
+interface SVGTSpanElement extends SVGElement { }
+interface SVGUseElement extends SVGElement { }
+interface SVGViewElement extends SVGElement { }
+
+interface Text { }
+interface TouchList { }
+interface WebGLRenderingContext { }
+interface WebGL2RenderingContext { }
diff --git a/types/rax/index.d.ts b/types/rax/index.d.ts
new file mode 100644
index 0000000000..8026e96743
--- /dev/null
+++ b/types/rax/index.d.ts
@@ -0,0 +1,2942 @@
+// Type definitions for Rax 1.0.0
+// Project: https://rax.js.org
+// Definitions by: Solo Jiang <https://github.com/solojiang>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 3.0
+
+// for reference and documentation on how exactly to do it.
+
+/// <reference path="global.d.ts" />
+
+import * as CSS from 'csstype';
+import * as PropTypes from 'prop-types';
+interface AnimationEvent extends Event {}
+interface ClipboardEvent extends Event {}
+interface CompositionEvent extends Event {}
+interface DragEvent extends Event {}
+interface FocusEvent extends Event {}
+interface KeyboardEvent extends Event {}
+interface MouseEvent extends Event {}
+interface TouchEvent extends Event {}
+interface PointerEvent extends Event {}
+interface TransitionEvent extends Event {}
+interface UIEvent extends Event {}
+interface WheelEvent extends Event {}
+
+interface EventTarget {}
+interface Document {}
+interface DataTransfer {}
+interface StyleMedia {}
+
+interface Element {}
+
+interface HTMLElement extends Element {}
+interface HTMLAnchorElement extends HTMLElement {}
+interface HTMLAreaElement extends HTMLElement {}
+interface HTMLAudioElement extends HTMLElement {}
+interface HTMLBaseElement extends HTMLElement {}
+interface HTMLBodyElement extends HTMLElement {}
+interface HTMLBRElement extends HTMLElement {}
+interface HTMLButtonElement extends HTMLElement {}
+interface HTMLCanvasElement extends HTMLElement {}
+interface HTMLDataListElement extends HTMLElement {}
+interface HTMLDialogElement extends HTMLElement {}
+interface HTMLDivElement extends HTMLElement {}
+interface HTMLDListElement extends HTMLElement {}
+interface HTMLEmbedElement extends HTMLElement {}
+interface HTMLFieldSetElement extends HTMLElement {}
+interface HTMLFormElement extends HTMLElement {}
+interface HTMLHeadingElement extends HTMLElement {}
+interface HTMLHeadElement extends HTMLElement {}
+interface HTMLHRElement extends HTMLElement {}
+interface HTMLHtmlElement extends HTMLElement {}
+interface HTMLIFrameElement extends HTMLElement {}
+interface HTMLImageElement extends HTMLElement {}
+interface HTMLInputElement extends HTMLElement {}
+interface HTMLModElement extends HTMLElement {}
+interface HTMLLabelElement extends HTMLElement {}
+interface HTMLLegendElement extends HTMLElement {}
+interface HTMLLIElement extends HTMLElement {}
+interface HTMLLinkElement extends HTMLElement {}
+interface HTMLMapElement extends HTMLElement {}
+interface HTMLMetaElement extends HTMLElement {}
+interface HTMLObjectElement extends HTMLElement {}
+interface HTMLOListElement extends HTMLElement {}
+interface HTMLOptGroupElement extends HTMLElement {}
+interface HTMLOptionElement extends HTMLElement {}
+interface HTMLParagraphElement extends HTMLElement {}
+interface HTMLParamElement extends HTMLElement {}
+interface HTMLPreElement extends HTMLElement {}
+interface HTMLProgressElement extends HTMLElement {}
+interface HTMLQuoteElement extends HTMLElement {}
+interface HTMLScriptElement extends HTMLElement {}
+interface HTMLSelectElement extends HTMLElement {}
+interface HTMLSourceElement extends HTMLElement {}
+interface HTMLSpanElement extends HTMLElement {}
+interface HTMLStyleElement extends HTMLElement {}
+interface HTMLTableElement extends HTMLElement {}
+interface HTMLTableColElement extends HTMLElement {}
+interface HTMLTableDataCellElement extends HTMLElement {}
+interface HTMLTableHeaderCellElement extends HTMLElement {}
+interface HTMLTableRowElement extends HTMLElement {}
+interface HTMLTableSectionElement extends HTMLElement {}
+interface HTMLTextAreaElement extends HTMLElement {}
+interface HTMLTitleElement extends HTMLElement {}
+interface HTMLTrackElement extends HTMLElement {}
+interface HTMLUListElement extends HTMLElement {}
+interface HTMLVideoElement extends HTMLElement {}
+interface HTMLWebViewElement extends HTMLElement {}
+
+interface SVGElement extends Element {}
+interface SVGSVGElement extends SVGElement {}
+interface SVGCircleElement extends SVGElement {}
+interface SVGClipPathElement extends SVGElement {}
+interface SVGDefsElement extends SVGElement {}
+interface SVGDescElement extends SVGElement {}
+interface SVGEllipseElement extends SVGElement {}
+interface SVGFEBlendElement extends SVGElement {}
+interface SVGFEColorMatrixElement extends SVGElement {}
+interface SVGFEComponentTransferElement extends SVGElement {}
+interface SVGFECompositeElement extends SVGElement {}
+interface SVGFEConvolveMatrixElement extends SVGElement {}
+interface SVGFEDiffuseLightingElement extends SVGElement {}
+interface SVGFEDisplacementMapElement extends SVGElement {}
+interface SVGFEDistantLightElement extends SVGElement {}
+interface SVGFEDropShadowElement extends SVGElement {}
+interface SVGFEFloodElement extends SVGElement {}
+interface SVGFEFuncAElement extends SVGElement {}
+interface SVGFEFuncBElement extends SVGElement {}
+interface SVGFEFuncGElement extends SVGElement {}
+interface SVGFEFuncRElement extends SVGElement {}
+interface SVGFEGaussianBlurElement extends SVGElement {}
+interface SVGFEImageElement extends SVGElement {}
+interface SVGFEMergeElement extends SVGElement {}
+interface SVGFEMergeNodeElement extends SVGElement {}
+interface SVGFEMorphologyElement extends SVGElement {}
+interface SVGFEOffsetElement extends SVGElement {}
+interface SVGFEPointLightElement extends SVGElement {}
+interface SVGFESpecularLightingElement extends SVGElement {}
+interface SVGFESpotLightElement extends SVGElement {}
+interface SVGFETileElement extends SVGElement {}
+interface SVGFETurbulenceElement extends SVGElement {}
+interface SVGFilterElement extends SVGElement {}
+interface SVGForeignObjectElement extends SVGElement {}
+interface SVGGElement extends SVGElement {}
+interface SVGImageElement extends SVGElement {}
+interface SVGLineElement extends SVGElement {}
+interface SVGLinearGradientElement extends SVGElement {}
+interface SVGMarkerElement extends SVGElement {}
+interface SVGMaskElement extends SVGElement {}
+interface SVGMetadataElement extends SVGElement {}
+interface SVGPathElement extends SVGElement {}
+interface SVGPatternElement extends SVGElement {}
+interface SVGPolygonElement extends SVGElement {}
+interface SVGPolylineElement extends SVGElement {}
+interface SVGRadialGradientElement extends SVGElement {}
+interface SVGRectElement extends SVGElement {}
+interface SVGStopElement extends SVGElement {}
+interface SVGSwitchElement extends SVGElement {}
+interface SVGSymbolElement extends SVGElement {}
+interface SVGTextElement extends SVGElement {}
+interface SVGTextPathElement extends SVGElement {}
+interface SVGTSpanElement extends SVGElement {}
+interface SVGUseElement extends SVGElement {}
+interface SVGViewElement extends SVGElement {}
+
+interface Text {}
+interface TouchList {}
+interface WebGLRenderingContext {}
+
+type NativeAnimationEvent = AnimationEvent;
+type NativeClipboardEvent = ClipboardEvent;
+type NativeCompositionEvent = CompositionEvent;
+type NativeDragEvent = DragEvent;
+type NativeFocusEvent = FocusEvent;
+type NativeKeyboardEvent = KeyboardEvent;
+type NativeMouseEvent = MouseEvent;
+type NativeTouchEvent = TouchEvent;
+type NativePointerEvent = PointerEvent;
+type NativeTransitionEvent = TransitionEvent;
+type NativeUIEvent = UIEvent;
+type NativeWheelEvent = WheelEvent;
+
+/**
+ * defined in scheduler/tracing
+ */
+interface SchedulerInteraction {
+  id: number;
+  name: string;
+  timestamp: number;
+}
+
+// tslint:disable-next-line:export-just-namespace
+export = Rax;
+export as namespace Rax;
+
+declare namespace Rax {
+  /**
+   * ======================================================================
+   * Rax Elements
+   * ======================================================================
+   */
+  type ElementType<P = any> =
+    | {
+        [K in keyof JSX.IntrinsicElements]: P extends JSX.IntrinsicElements[K] ? K : never
+      }[keyof JSX.IntrinsicElements]
+    | ComponentType<P>;
+
+  type ComponentType<P = {}> = ComponentClass<P> | FunctionComponent<P>;
+
+  type JSXElementConstructor<P> =
+    | ((props: P) => RaxElement | null)
+    | (new (props: P) => Component<P, any>);
+
+  type Key = string | number;
+
+  interface RefObject<T> {
+    readonly current: T | null;
+  }
+
+  type Ref<T> =
+    | { bivarianceHack(instance: T | null): void }['bivarianceHack']
+    | RefObject<T>
+    | null;
+  type LegacyRef<T> = string | Ref<T>;
+
+  type ComponentState = any;
+
+  interface Attributes {
+    key?: Key;
+  }
+
+  interface RefAttributes<T> extends Attributes {
+    ref?: Ref<T>;
+  }
+
+  interface ClassAttributes<T> extends Attributes {
+    ref?: LegacyRef<T>;
+  }
+
+  interface RaxElement<
+    P = any,
+    T extends string | JSXElementConstructor<any> = string | JSXElementConstructor<any>
+  > {
+    type: T;
+    props: P;
+    key: Key | null;
+  }
+
+  interface RaxComponentElement<
+    T extends keyof JSX.IntrinsicElements | JSXElementConstructor<any>,
+    P = Pick<ComponentProps<T>, Exclude<keyof ComponentProps<T>, 'key' | 'ref'>>
+  > extends RaxElement<P, T> {}
+
+  interface FunctionComponentElement<P> extends RaxElement<P, FunctionComponent<P>> {
+    ref?: 'ref' extends keyof P ? (P extends { ref?: infer R } ? R : never) : never;
+  }
+
+  type CElement<P, T extends Component<P, ComponentState>> = ComponentElement<P, T>;
+  interface ComponentElement<P, T extends Component<P, ComponentState>>
+    extends RaxElement<P, ComponentClass<P>> {
+    ref?: LegacyRef<T>;
+  }
+
+  type ClassicElement<P> = CElement<P, ClassicComponent<P, ComponentState>>;
+
+  // string fallback for custom web-components
+  interface DOMElement<P extends HTMLAttributes<T> | SVGAttributes<T>, T extends Element>
+    extends RaxElement<P, string> {
+    ref: LegacyRef<T>;
+  }
+
+  // RaxHTML for RaxHTMLElement
+  interface RaxHTMLElement<T extends HTMLElement>
+    extends DetailedRaxHTMLElement<AllHTMLAttributes<T>, T> {}
+
+  interface DetailedRaxHTMLElement<P extends HTMLAttributes<T>, T extends HTMLElement>
+    extends DOMElement<P, T> {
+    type: keyof RaxHTML;
+  }
+
+  // RaxSVG for RaxSVGElement
+  interface RaxSVGElement extends DOMElement<SVGAttributes<SVGElement>, SVGElement> {
+    type: keyof RaxSVG;
+  }
+
+  interface RaxPortal extends RaxElement {
+    key: Key | null;
+    children: RaxNode;
+  }
+
+  /**
+   * ======================================================================
+   * Rax Factories
+   * ======================================================================
+   */
+
+  type Factory<P> = (props?: Attributes & P, ...children: RaxNode[]) => RaxElement<P>;
+
+  type FunctionComponentFactory<P> = (
+    props?: Attributes & P,
+    ...children: RaxNode[]
+  ) => FunctionComponentElement<P>;
+
+  type ComponentFactory<P, T extends Component<P, ComponentState>> = (
+    props?: ClassAttributes<T> & P,
+    ...children: RaxNode[]
+  ) => CElement<P, T>;
+
+  type CFactory<P, T extends Component<P, ComponentState>> = ComponentFactory<P, T>;
+  type ClassicFactory<P> = CFactory<P, ClassicComponent<P, ComponentState>>;
+
+  type DOMFactory<P extends DOMAttributes<T>, T extends Element> = (
+    props?: ClassAttributes<T> & P | null,
+    ...children: RaxNode[]
+  ) => DOMElement<P, T>;
+
+  // tslint:disable-next-line:no-empty-interface
+  interface HTMLFactory<T extends HTMLElement>
+    extends DetailedHTMLFactory<AllHTMLAttributes<T>, T> {}
+
+  interface DetailedHTMLFactory<P extends HTMLAttributes<T>, T extends HTMLElement>
+    extends DOMFactory<P, T> {
+    (props?: ClassAttributes<T> & P | null, ...children: RaxNode[]): DetailedRaxHTMLElement<P, T>;
+  }
+
+  interface SVGFactory extends DOMFactory<SVGAttributes<SVGElement>, SVGElement> {
+    (
+      props?: ClassAttributes<SVGElement> & SVGAttributes<SVGElement> | null,
+      ...children: RaxNode[]
+    ): RaxSVGElement;
+  }
+
+  /**
+   * ======================================================================
+   * Rax Nodes
+   * ======================================================================
+   */
+
+  type RaxText = string | number;
+  type RaxChild = RaxElement | RaxText;
+
+  interface RaxNodeArray extends Array<RaxNode> {}
+  type RaxFragment = {} | RaxNodeArray;
+  type RaxNode = RaxChild | RaxFragment | RaxPortal | boolean | null | undefined;
+
+  /**
+   * ======================================================================
+   * Rax Top Level API
+   * ======================================================================
+   */
+
+  // DOM Elements
+  // TODO: generalize this to everything in `keyof RaxHTML`, not just "input"
+  function createElement(
+    type: 'input',
+    props?: InputHTMLAttributes<HTMLInputElement> & ClassAttributes<HTMLInputElement> | null,
+    ...children: RaxNode[]
+  ): DetailedRaxHTMLElement<InputHTMLAttributes<HTMLInputElement>, HTMLInputElement>;
+  function createElement<P extends HTMLAttributes<T>, T extends HTMLElement>(
+    type: keyof RaxHTML,
+    props?: ClassAttributes<T> & P | null,
+    ...children: RaxNode[]
+  ): DetailedRaxHTMLElement<P, T>;
+  function createElement<P extends SVGAttributes<T>, T extends SVGElement>(
+    type: keyof RaxSVG,
+    props?: ClassAttributes<T> & P | null,
+    ...children: RaxNode[]
+  ): RaxSVGElement;
+  function createElement<P extends DOMAttributes<T>, T extends Element>(
+    type: string,
+    props?: ClassAttributes<T> & P | null,
+    ...children: RaxNode[]
+  ): DOMElement<P, T>;
+
+  // Custom components
+
+  function createElement<P extends {}>(
+    type: FunctionComponent<P>,
+    props?: Attributes & P | null,
+    ...children: RaxNode[]
+  ): FunctionComponentElement<P>;
+  function createElement<P extends {}>(
+    type: ClassType<P, ClassicComponent<P, ComponentState>, ClassicComponentClass<P>>,
+    props?: ClassAttributes<ClassicComponent<P, ComponentState>> & P | null,
+    ...children: RaxNode[]
+  ): CElement<P, ClassicComponent<P, ComponentState>>;
+  function createElement<
+    P extends {},
+    T extends Component<P, ComponentState>,
+    C extends ComponentClass<P>
+  >(
+    type: ClassType<P, T, C>,
+    props?: ClassAttributes<T> & P | null,
+    ...children: RaxNode[]
+  ): CElement<P, T>;
+  function createElement<P extends {}>(
+    type: FunctionComponent<P> | ComponentClass<P> | string,
+    props?: Attributes & P | null,
+    ...children: RaxNode[]
+  ): RaxElement<P>;
+
+  // Context via RenderProps
+  interface ProviderProps<T> {
+    value: T;
+    children?: RaxNode;
+  }
+
+  interface ConsumerProps<T> {
+    children: (value: T) => RaxNode;
+    unstable_observedBits?: number;
+  }
+
+  interface ExoticComponent<P = {}> {
+    /**
+     * **NOTE**: Exotic components are not callable.
+     */
+    (props: P): RaxElement | null;
+    readonly $$typeof: symbol;
+  }
+
+  interface NamedExoticComponent<P = {}> extends ExoticComponent<P> {
+    displayName?: string;
+  }
+
+  interface ProviderExoticComponent<P> extends ExoticComponent<P> {
+    propTypes?: WeakValidationMap<P>;
+  }
+
+  type ContextType<C extends Context<any>> = C extends Context<infer T> ? T : never;
+
+  type Provider<T> = ProviderExoticComponent<ProviderProps<T>>;
+  type Consumer<T> = ExoticComponent<ConsumerProps<T>>;
+  interface Context<T> {
+    Provider: Provider<T>;
+    Consumer: Consumer<T>;
+    displayName?: string;
+  }
+  function createContext<T>(
+    defaultValue: T,
+    calculateChangedBits?: (prev: T, next: T) => number
+  ): Context<T>;
+
+  const Children: RaxChildren;
+  const Fragment: ExoticComponent<{ children?: RaxNode }>;
+
+  const version: string;
+
+  interface RenderOption {
+    driver: any;
+  }
+  function render<T>(
+    element: Element,
+    parent: Element | Document,
+    options?: RenderOption,
+    callback?: () => void
+  ): void;
+
+  /**
+   * ======================================================================
+   * Rax Component API
+   * ======================================================================
+   */
+  type RaxInstance = Component<any> | Element;
+
+  // Base component for plain JS classes
+  // tslint:disable-next-line:no-empty-interface
+  interface Component<P = {}, S = {}, SS = any> extends ComponentLifecycle<P, S, SS> {}
+  class Component<P, S> {
+    readonly props: Readonly<P> & Readonly<{ children?: RaxNode }>;
+    state: Readonly<S>;
+
+    constructor(props: Readonly<P>);
+
+    setState<K extends keyof S>(
+      state:
+        | ((prevState: Readonly<S>, props: Readonly<P>) => Pick<S, K> | S | null)
+        | (Pick<S, K> | S | null),
+      callback?: () => void
+    ): void;
+
+    forceUpdate(callBack?: () => void): void;
+
+    render(): RaxNode;
+  }
+
+  class PureComponent<P = {}, S = {}, SS = any> extends Component<P, S, SS> {}
+
+  interface ClassicComponent<P = {}, S = {}> extends Component<P, S> {
+    replaceState(nextState: S, callback?: () => void): void;
+    isMounted(): boolean;
+    getInitialState?(): S;
+  }
+
+  interface ChildContextProvider<CC> {
+    getChildContext(): CC;
+  }
+
+  type FC<P = {}> = FunctionComponent<P>;
+
+  interface FunctionComponent<P = {}> {
+    (props: PropsWithChildren<P>, context?: any): RaxElement | null;
+    propTypes?: WeakValidationMap<P>;
+    contextTypes?: ValidationMap<any>;
+    defaultProps?: Partial<P>;
+    displayName?: string;
+  }
+
+  interface RefForwardingComponent<T, P = {}> {
+    (props: PropsWithChildren<P>, ref: Ref<T>): RaxElement | null;
+    propTypes?: WeakValidationMap<P>;
+    contextTypes?: ValidationMap<any>;
+    defaultProps?: Partial<P>;
+    displayName?: string;
+  }
+
+  interface ComponentClass<P = {}, S = ComponentState> extends StaticLifecycle<P, S> {
+    new (props: P, context?: any): Component<P, S>;
+    propTypes?: WeakValidationMap<P>;
+    contextType?: Context<any>;
+    contextTypes?: ValidationMap<any>;
+    childContextTypes?: ValidationMap<any>;
+    defaultProps?: Partial<P>;
+    displayName?: string;
+  }
+
+  interface ClassicComponentClass<P = {}> extends ComponentClass<P> {
+    new (props: P, context?: any): ClassicComponent<P, ComponentState>;
+    getDefaultProps?(): P;
+  }
+
+  /**
+   * We use an intersection type to infer multiple type parameters from
+   * a single argument, which is useful for many top-level API defs.
+   * See https://github.com/Microsoft/TypeScript/issues/7234 for more info.
+   */
+  type ClassType<P, T extends Component<P, ComponentState>, C extends ComponentClass<P>> = C &
+    (new (props: P, context?: any) => T);
+
+  /**
+   * ======================================================================
+   * Rax Component Specs and Lifecycle
+   * ======================================================================
+   */
+
+  // This should actually be something like `Lifecycle<P, S> | DeprecatedLifecycle<P, S>`,
+  // as Rax will _not_ call the deprecated lifecycle methods if any of the new lifecycle
+  // methods are present.
+  interface ComponentLifecycle<P, S, SS = any> {
+    /**
+     * Called immediately after a component is mounted. Setting state here will trigger re-rendering.
+     */
+    componentDidMount?(): void;
+    /**
+     * Called to determine whether the change in props and state should trigger a re-render.
+     *
+     * `Component` always returns true.
+     * `PureComponent` implements a shallow comparison on props and state and returns true if any
+     * props or states have changed.
+     *
+     * If false is returned, `Component#render`, `componentWillUpdate`
+     * and `componentDidUpdate` will not be called.
+     */
+    shouldComponentUpdate?(
+      nextProps: Readonly<P>,
+      nextState: Readonly<S>,
+      nextContext: any
+    ): boolean;
+    /**
+     * Called immediately before a component is destroyed. Perform any necessary cleanup in this method, such as
+     * cancelled network requests, or cleaning up any DOM elements created in `componentDidMount`.
+     */
+    componentWillUnmount?(): void;
+    /**
+     * Catches exceptions generated in descendant components. Unhandled exceptions will cause
+     * the entire component tree to unmount.
+     */
+    componentDidCatch?(error: Error, errorInfo: ErrorInfo): void;
+
+    /**
+     * Runs before Rax applies the result of `render` to the document, and
+     * returns an object to be given to componentDidUpdate. Useful for saving
+     * things such as scroll position before `render` causes changes to it.
+     *
+     * Note: the presence of getSnapshotBeforeUpdate prevents any of the deprecated
+     * lifecycle events from running.
+     */
+    getSnapshotBeforeUpdate?(prevProps: Readonly<P>, prevState: Readonly<S>): SS | null;
+    /**
+     * Called immediately after updating occurs. Not called for the initial render.
+     *
+     * The snapshot is only present if getSnapshotBeforeUpdate is present and returns non-null.
+     */
+    componentDidUpdate?(prevProps: Readonly<P>, prevState: Readonly<S>, snapshot?: SS): void;
+    componentWillMount?(): void;
+    componentWillReceiveProps?(nextProps: Readonly<P>, nextContext: any): void;
+    componentWillUpdate?(nextProps: Readonly<P>, nextState: Readonly<S>, nextContext: any): void;
+  }
+
+  // Unfortunately, we have no way of declaring that the component constructor must implement this
+  interface StaticLifecycle<P, S> {
+    getDerivedStateFromProps?: GetDerivedStateFromProps<P, S>;
+    getDerivedStateFromError?: GetDerivedStateFromError<P, S>;
+  }
+
+  type GetDerivedStateFromProps<P, S> =
+    /**
+     * Returns an update to a component's state based on its new props and old state.
+     *
+     * Note: its presence prevents any of the deprecated lifecycle methods from being invoked
+     */
+    (nextProps: Readonly<P>, prevState: S) => Partial<S> | null;
+
+  type GetDerivedStateFromError<P, S> =
+    /**
+     * This lifecycle is invoked after an error has been thrown by a descendant component.
+     * It receives the error that was thrown as a parameter and should return a value to update state.
+     *
+     * Note: its presence prevents any of the deprecated lifecycle methods from being invoked
+     */
+    (error: any) => Partial<S> | null;
+
+    interface Mixin<P, S> extends ComponentLifecycle<P, S> {
+        mixins?: Array<Mixin<P, S>>;
+        statics?: {
+            [key: string]: any;
+        };
+
+        displayName?: string;
+        propTypes?: ValidationMap<any>;
+        contextTypes?: ValidationMap<any>;
+        childContextTypes?: ValidationMap<any>;
+
+        getDefaultProps?(): P;
+        getInitialState?(): S;
+    }
+
+  interface ComponentSpec<P, S> extends Mixin<P, S> {
+    render(): RaxNode;
+
+    [propertyName: string]: any;
+  }
+
+  function createRef<T>(): RefObject<T>;
+
+  // will show `ForwardRef(${Component.displayName || Component.name})` in devtools by default,
+  // but can be given its own specific name
+  interface ForwardRefExoticComponent<P> extends NamedExoticComponent<P> {
+    defaultProps?: Partial<P>;
+  }
+
+  function forwardRef<T, P = {}>(
+    Component: RefForwardingComponent<T, P>
+  ): ForwardRefExoticComponent<PropsWithoutRef<P> & RefAttributes<T>>;
+
+  /** Ensures that the props do not include ref at all */
+  type PropsWithoutRef<P> =
+    // Just Pick would be sufficient for this, but I'm trying to avoid unnecessary mapping over union types
+    // https://github.com/Microsoft/TypeScript/issues/28339
+    'ref' extends keyof P ? Pick<P, Exclude<keyof P, 'ref'>> : P;
+  /** Ensures that the props do not include string ref, which cannot be forwarded */
+  type PropsWithRef<P> =
+    // Just "P extends { ref?: infer R }" looks sufficient, but R will infer as {} if P is {}.
+    'ref' extends keyof P
+      ? P extends { ref?: infer R }
+        ? string extends R
+          ? PropsWithoutRef<P> & { ref?: Exclude<R, string> }
+          : P
+        : P
+      : P;
+
+  type PropsWithChildren<P> = P & { children?: RaxNode };
+
+  /**
+   * NOTE: prefer ComponentPropsWithRef, if the ref is forwarded,
+   * or ComponentPropsWithoutRef when refs are not supported.
+   */
+  type ComponentProps<
+    T extends keyof JSX.IntrinsicElements | JSXElementConstructor<any>
+  > = T extends JSXElementConstructor<infer P>
+    ? P
+    : T extends keyof JSX.IntrinsicElements
+    ? JSX.IntrinsicElements[T]
+    : {};
+  type ComponentPropsWithRef<T extends ElementType> = T extends ComponentClass<infer P>
+    ? PropsWithoutRef<P> & RefAttributes<InstanceType<T>>
+    : PropsWithRef<ComponentProps<T>>;
+  type ComponentPropsWithoutRef<T extends ElementType> = PropsWithoutRef<ComponentProps<T>>;
+
+  // will show `Memo(${Component.displayName || Component.name})` in devtools by default,
+  // but can be given its own specific name
+  type MemoExoticComponent<T extends ComponentType<any>> = NamedExoticComponent<
+    ComponentPropsWithRef<T>
+  > & {
+    readonly type: T;
+  };
+
+  function memo<P extends object>(
+    Component: FC<P>,
+    propsAreEqual?: (
+      prevProps: Readonly<PropsWithChildren<P>>,
+      nextProps: Readonly<PropsWithChildren<P>>
+    ) => boolean
+  ): NamedExoticComponent<P>;
+  function memo<T extends ComponentType<any>>(
+    Component: T,
+    propsAreEqual?: (
+      prevProps: Readonly<ComponentProps<T>>,
+      nextProps: Readonly<ComponentProps<T>>
+    ) => boolean
+  ): MemoExoticComponent<T>;
+
+  /**
+   * ======================================================================
+   * Rax Hooks
+   * ======================================================================
+   */
+
+  // Unlike the class component setState, the updates are not allowed to be partial
+  type SetStateAction<S> = S | ((prevState: S) => S);
+  // this technically does accept a second argument, but it's already under a deprecation warning
+  // and it's not even released so probably better to not define it.
+  type Dispatch<A> = (value: A) => void;
+  // Unlike redux, the actions _can_ be anything
+  type Reducer<S, A> = (prevState: S, action: A) => S;
+  // types used to try and prevent the compiler from reducing S
+  // to a supertype common with the second argument to useReducer()
+  type ReducerState<R extends Reducer<any, any>> = R extends Reducer<infer S, any> ? S : never;
+  type ReducerAction<R extends Reducer<any, any>> = R extends Reducer<any, infer A> ? A : never;
+  // The identity check is done with the SameValue algorithm (Object.is), which is stricter than ===
+  // TODO (TypeScript 3.0): ReadonlyArray<unknown>
+  type DependencyList = ReadonlyArray<any>;
+
+  // NOTE: callbacks are _only_ allowed to return either void, or a destructor.
+  // The destructor is itself only allowed to return void.
+  type EffectCallback = () => void | (() => void | undefined);
+
+  interface MutableRefObject<T> {
+    current: T;
+  }
+
+  // This will technically work if you give a Consumer<T> or Provider<T> but it's deprecated and warns
+  /**
+   * Accepts a context object (the value returned from `Rax.createContext`) and returns the current
+   * context value, as given by the nearest context provider for the given context.
+   */
+  function useContext<T>(
+    context: Context<T> /* , (not public API) observedBits?: number|boolean */
+  ): T;
+  /**
+   * Returns a stateful value, and a function to update it.
+   */
+  function useState<S>(initialState: S | (() => S)): [S, Dispatch<SetStateAction<S>>];
+  // convenience overload when first argument is ommitted
+  /**
+   * Returns a stateful value, and a function to update it.
+   */
+  function useState<S = undefined>(): [S | undefined, Dispatch<SetStateAction<S | undefined>>];
+  /**
+   * An alternative to `useState`.
+   *
+   * `useReducer` is usually preferable to `useState` when you have complex state logic that involves
+   * multiple sub-values. It also lets you optimize performance for components that trigger deep
+   * updates because you can pass `dispatch` down instead of callbacks.
+   */
+  // overload where "I" may be a subset of ReducerState<R>; used to provide autocompletion.
+  // If "I" matches ReducerState<R> exactly then the last overload will allow initializer to be ommitted.
+  // the last overload effectively behaves as if the identity function (x => x) is the initializer.
+  function useReducer<R extends Reducer<any, any>, I>(
+    reducer: R,
+    initializerArg: I & ReducerState<R>,
+    initializer: (arg: I & ReducerState<R>) => ReducerState<R>
+  ): [ReducerState<R>, Dispatch<ReducerAction<R>>];
+  /**
+   * An alternative to `useState`.
+   *
+   * `useReducer` is usually preferable to `useState` when you have complex state logic that involves
+   * multiple sub-values. It also lets you optimize performance for components that trigger deep
+   * updates because you can pass `dispatch` down instead of callbacks.
+   */
+  // overload for free "I"; all goes as long as initializer converts it into "ReducerState<R>".
+  function useReducer<R extends Reducer<any, any>, I>(
+    reducer: R,
+    initializerArg: I,
+    initializer: (arg: I) => ReducerState<R>
+  ): [ReducerState<R>, Dispatch<ReducerAction<R>>];
+  /**
+   * An alternative to `useState`.
+   *
+   * `useReducer` is usually preferable to `useState` when you have complex state logic that involves
+   * multiple sub-values. It also lets you optimize performance for components that trigger deep
+   * updates because you can pass `dispatch` down instead of callbacks.
+   */
+
+  // I'm not sure if I keep this 2-ary or if I make it (2,3)-ary; it's currently (2,3)-ary.
+  // The Flow types do have an overload for 3-ary invocation with undefined initializer.
+
+  // NOTE: without the ReducerState indirection, TypeScript would reduce S to be the most common
+  // supertype between the reducer's return type and the initialState (or the initializer's return type),
+  // which would prevent autocompletion from ever working.
+
+  // TODO: double-check if this weird overload logic is necessary. It is possible it's either a bug
+  // in older versions, or a regression in newer versions of the typescript completion service.
+  function useReducer<R extends Reducer<any, any>>(
+    reducer: R,
+    initialState: ReducerState<R>,
+    initializer?: undefined
+  ): [ReducerState<R>, Dispatch<ReducerAction<R>>];
+  /**
+   * `useRef` returns a mutable ref object whose `.current` property is initialized to the passed argument
+   * (`initialValue`). The returned object will persist for the full lifetime of the component.
+   *
+   * Note that `useRef()` is useful for more than the `ref` attribute. It’s handy for keeping any mutable
+   * value around similar to how you’d use instance fields in classes.
+   */
+  // TODO (TypeScript 3.0): <T extends unknown>
+  function useRef<T>(initialValue: T): MutableRefObject<T>;
+  // convenience overload for refs given as a ref prop as they typically start with a null value
+  /**
+   * `useRef` returns a mutable ref object whose `.current` property is initialized to the passed argument
+   * (`initialValue`). The returned object will persist for the full lifetime of the component.
+   *
+   * Note that `useRef()` is useful for more than the `ref` attribute. It’s handy for keeping any mutable
+   * value around similar to how you’d use instance fields in classes.
+   *
+   * Usage note: if you need the result of useRef to be directly mutable, include `| null` in the type
+   * of the generic argument.
+   */
+  // TODO (TypeScript 3.0): <T extends unknown>
+  function useRef<T>(initialValue: T | null): RefObject<T>;
+  // convenience overload for potentially undefined initialValue / call with 0 arguments
+  // has a default to stop it from defaulting to {} instead
+  /**
+   * `useRef` returns a mutable ref object whose `.current` property is initialized to the passed argument
+   * (`initialValue`). The returned object will persist for the full lifetime of the component.
+   *
+   * Note that `useRef()` is useful for more than the `ref` attribute. It’s handy for keeping any mutable
+   * value around similar to how you’d use instance fields in classes.
+   */
+  // TODO (TypeScript 3.0): <T extends unknown>
+  function useRef<T = undefined>(): MutableRefObject<T | undefined>;
+  /**
+   * The signature is identical to `useEffect`, but it fires synchronously after all DOM mutations.
+   * Use this to read layout from the DOM and synchronously re-render. Updates scheduled inside
+   * `useLayoutEffect` will be flushed synchronously, before the browser has a chance to paint.
+   *
+   * Prefer the standard `useEffect` when possible to avoid blocking visual updates.
+   *
+   * If you’re migrating code from a class component, `useLayoutEffect` fires in the same phase as
+   * `componentDidMount` and `componentDidUpdate`.
+   */
+  function useLayoutEffect(effect: EffectCallback, deps?: DependencyList): void;
+  /**
+   * Accepts a function that contains imperative, possibly effectful code.
+   *
+   * @param effect Imperative function that can return a cleanup function
+   * @param deps If present, effect will only activate if the values in the list change.
+   */
+  function useEffect(effect: EffectCallback, deps?: DependencyList): void;
+  // NOTE: this does not accept strings, but this will have to be fixed by removing strings from type Ref<T>
+  /**
+   * `useImperativeHandle` customizes the instance value that is exposed to parent components when using
+   * `ref`. As always, imperative code using refs should be avoided in most cases.
+   *
+   * `useImperativeHandle` should be used with `Rax.forwardRef`.
+   */
+  function useImperativeHandle<T, R extends T>(
+    ref: Ref<T> | undefined,
+    init: () => R,
+    deps?: DependencyList
+  ): void;
+  // I made 'inputs' required here and in useMemo as there's no point to memoizing without the memoization key
+  // useCallback(X) is identical to just using X, useMemo(() => Y) is identical to just using Y.
+  /**
+   * `useCallback` will return a memoized version of the callback that only changes if one of the `inputs`
+   * has changed.
+   */
+  // TODO (TypeScript 3.0): <T extends (...args: never[]) => unknown>
+  function useCallback<T extends (...args: any[]) => any>(callback: T, deps: DependencyList): T;
+  /**
+   * `useMemo` will only recompute the memoized value when one of the `deps` has changed.
+   *
+   * Usage note: if calling `useMemo` with a referentially stable function, also give it as the input in
+   * the second argument.
+   *
+   * ```ts
+   * function expensive () { ... }
+   *
+   * function Component () {
+   *   const expensiveResult = useMemo(expensive, [expensive])
+   *   return ...
+   * }
+   * ```
+   */
+  // allow undefined, but don't make it optional as that is very likely a mistake
+  function useMemo<T>(factory: () => T, deps: DependencyList | undefined): T;
+
+  /**
+   * ======================================================================
+   * Rax Event System
+   * ======================================================================
+   */
+
+  // TODO: change any to unknown when moving to TS v3
+  interface BaseSyntheticEvent<E = object, C = any, T = any> {
+    nativeEvent: E;
+    currentTarget: C;
+    target: T;
+    bubbles: boolean;
+    cancelable: boolean;
+    defaultPrevented: boolean;
+    eventPhase: number;
+    isTrusted: boolean;
+    preventDefault(): void;
+    isDefaultPrevented(): boolean;
+    stopPropagation(): void;
+    isPropagationStopped(): boolean;
+    persist(): void;
+    timeStamp: number;
+    type: string;
+  }
+
+  /**
+   * currentTarget - a reference to the element on which the event listener is registered.
+   *
+   * target - a reference to the element from which the event was originally dispatched.
+   * This might be a child element to the element on which the event listener is registered.
+   * If you thought this should be `EventTarget & T`, see https://github.com/DefinitelyTyped/DefinitelyTyped/pull/12239
+   */
+  interface SyntheticEvent<T = Element, E = Event>
+    extends BaseSyntheticEvent<E, EventTarget & T, EventTarget> {}
+
+  interface ClipboardEvent<T = Element> extends SyntheticEvent<T, NativeClipboardEvent> {
+    clipboardData: DataTransfer;
+  }
+
+  interface CompositionEvent<T = Element> extends SyntheticEvent<T, NativeCompositionEvent> {
+    data: string;
+  }
+
+  interface DragEvent<T = Element> extends MouseEvent<T, NativeDragEvent> {
+    dataTransfer: DataTransfer;
+  }
+
+  interface PointerEvent<T = Element> extends MouseEvent<T, NativePointerEvent> {
+    pointerId: number;
+    pressure: number;
+    tiltX: number;
+    tiltY: number;
+    width: number;
+    height: number;
+    pointerType: 'mouse' | 'pen' | 'touch';
+    isPrimary: boolean;
+  }
+
+  interface FocusEvent<T = Element> extends SyntheticEvent<T, NativeFocusEvent> {
+    relatedTarget: EventTarget;
+    target: EventTarget & T;
+  }
+
+  // tslint:disable-next-line:no-empty-interface
+  interface FormEvent<T = Element> extends SyntheticEvent<T> {}
+
+  interface InvalidEvent<T = Element> extends SyntheticEvent<T> {
+    target: EventTarget & T;
+  }
+
+  interface ChangeEvent<T = Element> extends SyntheticEvent<T> {
+    target: EventTarget & T;
+  }
+
+  interface KeyboardEvent<T = Element> extends SyntheticEvent<T, NativeKeyboardEvent> {
+    altKey: boolean;
+    charCode: number;
+    ctrlKey: boolean;
+    /**
+     * See [DOM Level 3 Events spec](https://www.w3.org/TR/uievents-key/#keys-modifier). for a list of valid (case-sensitive) arguments to this method.
+     */
+    getModifierState(key: string): boolean;
+    /**
+     * See the [DOM Level 3 Events spec](https://www.w3.org/TR/uievents-key/#named-key-attribute-values). for possible values
+     */
+    key: string;
+    keyCode: number;
+    locale: string;
+    location: number;
+    metaKey: boolean;
+    repeat: boolean;
+    shiftKey: boolean;
+    which: number;
+  }
+
+  interface MouseEvent<T = Element, E = NativeMouseEvent> extends SyntheticEvent<T, E> {
+    altKey: boolean;
+    button: number;
+    buttons: number;
+    clientX: number;
+    clientY: number;
+    ctrlKey: boolean;
+    /**
+     * See [DOM Level 3 Events spec](https://www.w3.org/TR/uievents-key/#keys-modifier). for a list of valid (case-sensitive) arguments to this method.
+     */
+    getModifierState(key: string): boolean;
+    metaKey: boolean;
+    movementX: number;
+    movementY: number;
+    pageX: number;
+    pageY: number;
+    relatedTarget: EventTarget;
+    screenX: number;
+    screenY: number;
+    shiftKey: boolean;
+  }
+
+  interface TouchEvent<T = Element> extends SyntheticEvent<T, NativeTouchEvent> {
+    altKey: boolean;
+    changedTouches: TouchList;
+    ctrlKey: boolean;
+    /**
+     * See [DOM Level 3 Events spec](https://www.w3.org/TR/uievents-key/#keys-modifier). for a list of valid (case-sensitive) arguments to this method.
+     */
+    getModifierState(key: string): boolean;
+    metaKey: boolean;
+    shiftKey: boolean;
+    targetTouches: TouchList;
+    touches: TouchList;
+  }
+
+  interface UIEvent<T = Element> extends SyntheticEvent<T, NativeUIEvent> {
+    detail: number;
+    view: AbstractView;
+  }
+
+  interface WheelEvent<T = Element> extends MouseEvent<T, NativeWheelEvent> {
+    deltaMode: number;
+    deltaX: number;
+    deltaY: number;
+    deltaZ: number;
+  }
+
+  interface AnimationEvent<T = Element> extends SyntheticEvent<T, NativeAnimationEvent> {
+    animationName: string;
+    elapsedTime: number;
+    pseudoElement: string;
+  }
+
+  interface TransitionEvent<T = Element> extends SyntheticEvent<T, NativeTransitionEvent> {
+    elapsedTime: number;
+    propertyName: string;
+    pseudoElement: string;
+  }
+
+  interface AppearEvent<T = Element> extends SyntheticEvent<T> {
+    direction: 'up' | 'down';
+  }
+
+  //
+  // Event Handler Types
+  // ----------------------------------------------------------------------
+
+  type EventHandler<E extends SyntheticEvent<any>> = {
+    bivarianceHack(event: E): void;
+  }['bivarianceHack'];
+
+  type RaxEventHandler<T = Element> = EventHandler<SyntheticEvent<T>>;
+
+  type ClipboardEventHandler<T = Element> = EventHandler<ClipboardEvent<T>>;
+  type CompositionEventHandler<T = Element> = EventHandler<CompositionEvent<T>>;
+  type DragEventHandler<T = Element> = EventHandler<DragEvent<T>>;
+  type FocusEventHandler<T = Element> = EventHandler<FocusEvent<T>>;
+  type FormEventHandler<T = Element> = EventHandler<FormEvent<T>>;
+  type ChangeEventHandler<T = Element> = EventHandler<ChangeEvent<T>>;
+  type KeyboardEventHandler<T = Element> = EventHandler<KeyboardEvent<T>>;
+  type MouseEventHandler<T = Element> = EventHandler<MouseEvent<T>>;
+  type TouchEventHandler<T = Element> = EventHandler<TouchEvent<T>>;
+  type PointerEventHandler<T = Element> = EventHandler<PointerEvent<T>>;
+  type UIEventHandler<T = Element> = EventHandler<UIEvent<T>>;
+  type WheelEventHandler<T = Element> = EventHandler<WheelEvent<T>>;
+  type AnimationEventHandler<T = Element> = EventHandler<AnimationEvent<T>>;
+  type TransitionEventHandler<T = Element> = EventHandler<TransitionEvent<T>>;
+  type AppearEventHandler<T = Element> = EventHandler<AppearEvent<T>>;
+
+  //
+  // Props / DOM Attributes
+  // ----------------------------------------------------------------------
+
+  interface HTMLProps<T> extends AllHTMLAttributes<T>, ClassAttributes<T> {}
+
+  type DetailedHTMLProps<E extends HTMLAttributes<T>, T> = ClassAttributes<T> & E;
+
+  interface SVGProps<T> extends SVGAttributes<T>, ClassAttributes<T> {}
+
+  interface DOMAttributes<T> {
+    children?: RaxNode;
+    dangerouslySetInnerHTML?: {
+      __html: string;
+    };
+
+    // weex
+    [key: string]: any;
+
+    // Clipboard Events
+    onCopy?: ClipboardEventHandler<T>;
+    onCopyCapture?: ClipboardEventHandler<T>;
+    onCut?: ClipboardEventHandler<T>;
+    onCutCapture?: ClipboardEventHandler<T>;
+    onPaste?: ClipboardEventHandler<T>;
+    onPasteCapture?: ClipboardEventHandler<T>;
+
+    // Composition Events
+    onCompositionEnd?: CompositionEventHandler<T>;
+    onCompositionEndCapture?: CompositionEventHandler<T>;
+    onCompositionStart?: CompositionEventHandler<T>;
+    onCompositionStartCapture?: CompositionEventHandler<T>;
+    onCompositionUpdate?: CompositionEventHandler<T>;
+    onCompositionUpdateCapture?: CompositionEventHandler<T>;
+
+    // Focus Events
+    onFocus?: FocusEventHandler<T>;
+    onFocusCapture?: FocusEventHandler<T>;
+    onBlur?: FocusEventHandler<T>;
+    onBlurCapture?: FocusEventHandler<T>;
+
+    // Form Events
+    onChange?: FormEventHandler<T>;
+    onChangeCapture?: FormEventHandler<T>;
+    onBeforeInput?: FormEventHandler<T>;
+    onBeforeInputCapture?: FormEventHandler<T>;
+    onInput?: FormEventHandler<T>;
+    onInputCapture?: FormEventHandler<T>;
+    onReset?: FormEventHandler<T>;
+    onResetCapture?: FormEventHandler<T>;
+    onSubmit?: FormEventHandler<T>;
+    onSubmitCapture?: FormEventHandler<T>;
+    onInvalid?: FormEventHandler<T>;
+    onInvalidCapture?: FormEventHandler<T>;
+
+    // Image Events
+    onLoad?: RaxEventHandler<T>;
+    onLoadCapture?: RaxEventHandler<T>;
+    onError?: RaxEventHandler<T>; // also a Media Event
+    onErrorCapture?: RaxEventHandler<T>; // also a Media Event
+
+    // Keyboard Events
+    onKeyDown?: KeyboardEventHandler<T>;
+    onKeyDownCapture?: KeyboardEventHandler<T>;
+    onKeyPress?: KeyboardEventHandler<T>;
+    onKeyPressCapture?: KeyboardEventHandler<T>;
+    onKeyUp?: KeyboardEventHandler<T>;
+    onKeyUpCapture?: KeyboardEventHandler<T>;
+
+    // Media Events
+    onAbort?: RaxEventHandler<T>;
+    onAbortCapture?: RaxEventHandler<T>;
+    onCanPlay?: RaxEventHandler<T>;
+    onCanPlayCapture?: RaxEventHandler<T>;
+    onCanPlayThrough?: RaxEventHandler<T>;
+    onCanPlayThroughCapture?: RaxEventHandler<T>;
+    onDurationChange?: RaxEventHandler<T>;
+    onDurationChangeCapture?: RaxEventHandler<T>;
+    onEmptied?: RaxEventHandler<T>;
+    onEmptiedCapture?: RaxEventHandler<T>;
+    onEncrypted?: RaxEventHandler<T>;
+    onEncryptedCapture?: RaxEventHandler<T>;
+    onEnded?: RaxEventHandler<T>;
+    onEndedCapture?: RaxEventHandler<T>;
+    onLoadedData?: RaxEventHandler<T>;
+    onLoadedDataCapture?: RaxEventHandler<T>;
+    onLoadedMetadata?: RaxEventHandler<T>;
+    onLoadedMetadataCapture?: RaxEventHandler<T>;
+    onLoadStart?: RaxEventHandler<T>;
+    onLoadStartCapture?: RaxEventHandler<T>;
+    onPause?: RaxEventHandler<T>;
+    onPauseCapture?: RaxEventHandler<T>;
+    onPlay?: RaxEventHandler<T>;
+    onPlayCapture?: RaxEventHandler<T>;
+    onPlaying?: RaxEventHandler<T>;
+    onPlayingCapture?: RaxEventHandler<T>;
+    onProgress?: RaxEventHandler<T>;
+    onProgressCapture?: RaxEventHandler<T>;
+    onRateChange?: RaxEventHandler<T>;
+    onRateChangeCapture?: RaxEventHandler<T>;
+    onSeeked?: RaxEventHandler<T>;
+    onSeekedCapture?: RaxEventHandler<T>;
+    onSeeking?: RaxEventHandler<T>;
+    onSeekingCapture?: RaxEventHandler<T>;
+    onStalled?: RaxEventHandler<T>;
+    onStalledCapture?: RaxEventHandler<T>;
+    onSuspend?: RaxEventHandler<T>;
+    onSuspendCapture?: RaxEventHandler<T>;
+    onTimeUpdate?: RaxEventHandler<T>;
+    onTimeUpdateCapture?: RaxEventHandler<T>;
+    onVolumeChange?: RaxEventHandler<T>;
+    onVolumeChangeCapture?: RaxEventHandler<T>;
+    onWaiting?: RaxEventHandler<T>;
+    onWaitingCapture?: RaxEventHandler<T>;
+
+    // MouseEvents
+    onAuxClick?: MouseEventHandler<T>;
+    onAuxClickCapture?: MouseEventHandler<T>;
+    onClick?: MouseEventHandler<T>;
+    onClickCapture?: MouseEventHandler<T>;
+    onContextMenu?: MouseEventHandler<T>;
+    onContextMenuCapture?: MouseEventHandler<T>;
+    onDoubleClick?: MouseEventHandler<T>;
+    onDoubleClickCapture?: MouseEventHandler<T>;
+    onDrag?: DragEventHandler<T>;
+    onDragCapture?: DragEventHandler<T>;
+    onDragEnd?: DragEventHandler<T>;
+    onDragEndCapture?: DragEventHandler<T>;
+    onDragEnter?: DragEventHandler<T>;
+    onDragEnterCapture?: DragEventHandler<T>;
+    onDragExit?: DragEventHandler<T>;
+    onDragExitCapture?: DragEventHandler<T>;
+    onDragLeave?: DragEventHandler<T>;
+    onDragLeaveCapture?: DragEventHandler<T>;
+    onDragOver?: DragEventHandler<T>;
+    onDragOverCapture?: DragEventHandler<T>;
+    onDragStart?: DragEventHandler<T>;
+    onDragStartCapture?: DragEventHandler<T>;
+    onDrop?: DragEventHandler<T>;
+    onDropCapture?: DragEventHandler<T>;
+    onMouseDown?: MouseEventHandler<T>;
+    onMouseDownCapture?: MouseEventHandler<T>;
+    onMouseEnter?: MouseEventHandler<T>;
+    onMouseLeave?: MouseEventHandler<T>;
+    onMouseMove?: MouseEventHandler<T>;
+    onMouseMoveCapture?: MouseEventHandler<T>;
+    onMouseOut?: MouseEventHandler<T>;
+    onMouseOutCapture?: MouseEventHandler<T>;
+    onMouseOver?: MouseEventHandler<T>;
+    onMouseOverCapture?: MouseEventHandler<T>;
+    onMouseUp?: MouseEventHandler<T>;
+    onMouseUpCapture?: MouseEventHandler<T>;
+
+    // Selection Events
+    onSelect?: RaxEventHandler<T>;
+    onSelectCapture?: RaxEventHandler<T>;
+
+    // Touch Events
+    onTouchCancel?: TouchEventHandler<T>;
+    onTouchCancelCapture?: TouchEventHandler<T>;
+    onTouchEnd?: TouchEventHandler<T>;
+    onTouchEndCapture?: TouchEventHandler<T>;
+    onTouchMove?: TouchEventHandler<T>;
+    onTouchMoveCapture?: TouchEventHandler<T>;
+    onTouchStart?: TouchEventHandler<T>;
+    onTouchStartCapture?: TouchEventHandler<T>;
+
+    // Pointer Events
+    onPointerDown?: PointerEventHandler<T>;
+    onPointerDownCapture?: PointerEventHandler<T>;
+    onPointerMove?: PointerEventHandler<T>;
+    onPointerMoveCapture?: PointerEventHandler<T>;
+    onPointerUp?: PointerEventHandler<T>;
+    onPointerUpCapture?: PointerEventHandler<T>;
+    onPointerCancel?: PointerEventHandler<T>;
+    onPointerCancelCapture?: PointerEventHandler<T>;
+    onPointerEnter?: PointerEventHandler<T>;
+    onPointerEnterCapture?: PointerEventHandler<T>;
+    onPointerLeave?: PointerEventHandler<T>;
+    onPointerLeaveCapture?: PointerEventHandler<T>;
+    onPointerOver?: PointerEventHandler<T>;
+    onPointerOverCapture?: PointerEventHandler<T>;
+    onPointerOut?: PointerEventHandler<T>;
+    onPointerOutCapture?: PointerEventHandler<T>;
+    onGotPointerCapture?: PointerEventHandler<T>;
+    onGotPointerCaptureCapture?: PointerEventHandler<T>;
+    onLostPointerCapture?: PointerEventHandler<T>;
+    onLostPointerCaptureCapture?: PointerEventHandler<T>;
+
+    // UI Events
+    onScroll?: UIEventHandler<T>;
+    onScrollCapture?: UIEventHandler<T>;
+
+    // Wheel Events
+    onWheel?: WheelEventHandler<T>;
+    onWheelCapture?: WheelEventHandler<T>;
+
+    // Animation Events
+    onAnimationStart?: AnimationEventHandler<T>;
+    onAnimationStartCapture?: AnimationEventHandler<T>;
+    onAnimationEnd?: AnimationEventHandler<T>;
+    onAnimationEndCapture?: AnimationEventHandler<T>;
+    onAnimationIteration?: AnimationEventHandler<T>;
+    onAnimationIterationCapture?: AnimationEventHandler<T>;
+
+    // Transition Events
+    onTransitionEnd?: TransitionEventHandler<T>;
+    onTransitionEndCapture?: TransitionEventHandler<T>;
+
+    // Weex Common Events
+    onLongpress?: MouseEventHandler<T>;
+    onAppear?: AppearEventHandler<T>;
+    onDisappear?: AppearEventHandler<T>;
+  }
+
+  export interface CSSProperties extends CSS.Properties<string | number> {
+    /**
+     * The index signature was removed to enable closed typing for style
+     * using CSSType. You're able to use type assertion or module augmentation
+     * to add properties or an index signature of your own.
+     *
+     * For examples and more information, visit:
+     * https://github.com/frenic/csstype#what-should-i-do-when-i-get-type-errors
+     */
+    [key: string]: any;
+  }
+
+  // All the WAI-ARIA 1.1 attributes from https://www.w3.org/TR/wai-aria-1.1/
+  interface AriaAttributes {
+    /** Identifies the currently active element when DOM focus is on a composite widget, textbox, group, or application. */
+    'aria-activedescendant'?: string;
+    /** Indicates whether assistive technologies will present all, or only parts of, the changed region based on the change notifications defined by the aria-relevant attribute. */
+    'aria-atomic'?: boolean | 'false' | 'true';
+    /**
+     * Indicates whether inputting text could trigger display of one or more predictions of the user's intended value for an input and specifies how predictions would be
+     * presented if they are made.
+     */
+    'aria-autocomplete'?: 'none' | 'inline' | 'list' | 'both';
+    /** Indicates an element is being modified and that assistive technologies MAY want to wait until the modifications are complete before exposing them to the user. */
+    'aria-busy'?: boolean | 'false' | 'true';
+    /**
+     * Indicates the current "checked" state of checkboxes, radio buttons, and other widgets.
+     * @see aria-pressed @see aria-selected.
+     */
+    'aria-checked'?: boolean | 'false' | 'mixed' | 'true';
+    /**
+     * Defines the total number of columns in a table, grid, or treegrid.
+     * @see aria-colindex.
+     */
+    'aria-colcount'?: number;
+    /**
+     * Defines an element's column index or position with respect to the total number of columns within a table, grid, or treegrid.
+     * @see aria-colcount @see aria-colspan.
+     */
+    'aria-colindex'?: number;
+    /**
+     * Defines the number of columns spanned by a cell or gridcell within a table, grid, or treegrid.
+     * @see aria-colindex @see aria-rowspan.
+     */
+    'aria-colspan'?: number;
+    /**
+     * Identifies the element (or elements) whose contents or presence are controlled by the current element.
+     * @see aria-owns.
+     */
+    'aria-controls'?: string;
+    /** Indicates the element that represents the current item within a container or set of related elements. */
+    'aria-current'?: boolean | 'false' | 'true' | 'page' | 'step' | 'location' | 'date' | 'time';
+    /**
+     * Identifies the element (or elements) that describes the object.
+     * @see aria-labelledby
+     */
+    'aria-describedby'?: string;
+    /**
+     * Identifies the element that provides a detailed, extended description for the object.
+     * @see aria-describedby.
+     */
+    'aria-details'?: string;
+    /**
+     * Indicates that the element is perceivable but disabled, so it is not editable or otherwise operable.
+     * @see aria-hidden @see aria-readonly.
+     */
+    'aria-disabled'?: boolean | 'false' | 'true';
+    /**
+     * Indicates what functions can be performed when a dragged object is released on the drop target.
+     * @deprecated in ARIA 1.1
+     */
+    'aria-dropeffect'?: 'none' | 'copy' | 'execute' | 'link' | 'move' | 'popup';
+    /**
+     * Identifies the element that provides an error message for the object.
+     * @see aria-invalid @see aria-describedby.
+     */
+    'aria-errormessage'?: string;
+    /** Indicates whether the element, or another grouping element it controls, is currently expanded or collapsed. */
+    'aria-expanded'?: boolean | 'false' | 'true';
+    /**
+     * Identifies the next element (or elements) in an alternate reading order of content which, at the user's discretion,
+     * allows assistive technology to override the general default of reading in document source order.
+     */
+    'aria-flowto'?: string;
+    /**
+     * Indicates an element's "grabbed" state in a drag-and-drop operation.
+     * @deprecated in ARIA 1.1
+     */
+    'aria-grabbed'?: boolean | 'false' | 'true';
+    /** Indicates the availability and type of interactive popup element, such as menu or dialog, that can be triggered by an element. */
+    'aria-haspopup'?: boolean | 'false' | 'true' | 'menu' | 'listbox' | 'tree' | 'grid' | 'dialog';
+    /**
+     * Indicates whether the element is exposed to an accessibility API.
+     * @see aria-disabled.
+     */
+    'aria-hidden'?: boolean | 'false' | 'true';
+    /**
+     * Indicates the entered value does not conform to the format expected by the application.
+     * @see aria-errormessage.
+     */
+    'aria-invalid'?: boolean | 'false' | 'true' | 'grammar' | 'spelling';
+    /** Indicates keyboard shortcuts that an author has implemented to activate or give focus to an element. */
+    'aria-keyshortcuts'?: string;
+    /**
+     * Defines a string value that labels the current element.
+     * @see aria-labelledby.
+     */
+    'aria-label'?: string;
+    /**
+     * Identifies the element (or elements) that labels the current element.
+     * @see aria-describedby.
+     */
+    'aria-labelledby'?: string;
+    /** Defines the hierarchical level of an element within a structure. */
+    'aria-level'?: number;
+    /** Indicates that an element will be updated, and describes the types of updates the user agents, assistive technologies, and user can expect from the live region. */
+    'aria-live'?: 'off' | 'assertive' | 'polite';
+    /** Indicates whether an element is modal when displayed. */
+    'aria-modal'?: boolean | 'false' | 'true';
+    /** Indicates whether a text box accepts multiple lines of input or only a single line. */
+    'aria-multiline'?: boolean | 'false' | 'true';
+    /** Indicates that the user may select more than one item from the current selectable descendants. */
+    'aria-multiselectable'?: boolean | 'false' | 'true';
+    /** Indicates whether the element's orientation is horizontal, vertical, or unknown/ambiguous. */
+    'aria-orientation'?: 'horizontal' | 'vertical';
+    /**
+     * Identifies an element (or elements) in order to define a visual, functional, or contextual parent/child relationship
+     * between DOM elements where the DOM hierarchy cannot be used to represent the relationship.
+     * @see aria-controls.
+     */
+    'aria-owns'?: string;
+    /**
+     * Defines a short hint (a word or short phrase) intended to aid the user with data entry when the control has no value.
+     * A hint could be a sample value or a brief description of the expected format.
+     */
+    'aria-placeholder'?: string;
+    /**
+     * Defines an element's number or position in the current set of listitems or treeitems. Not required if all elements in the set are present in the DOM.
+     * @see aria-setsize.
+     */
+    'aria-posinset'?: number;
+    /**
+     * Indicates the current "pressed" state of toggle buttons.
+     * @see aria-checked @see aria-selected.
+     */
+    'aria-pressed'?: boolean | 'false' | 'mixed' | 'true';
+    /**
+     * Indicates that the element is not editable, but is otherwise operable.
+     * @see aria-disabled.
+     */
+    'aria-readonly'?: boolean | 'false' | 'true';
+    /**
+     * Indicates what notifications the user agent will trigger when the accessibility tree within a live region is modified.
+     * @see aria-atomic.
+     */
+    'aria-relevant'?: 'additions' | 'additions text' | 'all' | 'removals' | 'text';
+    /** Indicates that user input is required on the element before a form may be submitted. */
+    'aria-required'?: boolean | 'false' | 'true';
+    /** Defines a human-readable, author-localized description for the role of an element. */
+    'aria-roledescription'?: string;
+    /**
+     * Defines the total number of rows in a table, grid, or treegrid.
+     * @see aria-rowindex.
+     */
+    'aria-rowcount'?: number;
+    /**
+     * Defines an element's row index or position with respect to the total number of rows within a table, grid, or treegrid.
+     * @see aria-rowcount @see aria-rowspan.
+     */
+    'aria-rowindex'?: number;
+    /**
+     * Defines the number of rows spanned by a cell or gridcell within a table, grid, or treegrid.
+     * @see aria-rowindex @see aria-colspan.
+     */
+    'aria-rowspan'?: number;
+    /**
+     * Indicates the current "selected" state of various widgets.
+     * @see aria-checked @see aria-pressed.
+     */
+    'aria-selected'?: boolean | 'false' | 'true';
+    /**
+     * Defines the number of items in the current set of listitems or treeitems. Not required if all elements in the set are present in the DOM.
+     * @see aria-posinset.
+     */
+    'aria-setsize'?: number;
+    /** Indicates if items in a table or grid are sorted in ascending or descending order. */
+    'aria-sort'?: 'none' | 'ascending' | 'descending' | 'other';
+    /** Defines the maximum allowed value for a range widget. */
+    'aria-valuemax'?: number;
+    /** Defines the minimum allowed value for a range widget. */
+    'aria-valuemin'?: number;
+    /**
+     * Defines the current value for a range widget.
+     * @see aria-valuetext.
+     */
+    'aria-valuenow'?: number;
+    /** Defines the human readable text alternative of aria-valuenow for a range widget. */
+    'aria-valuetext'?: string;
+  }
+
+  interface HTMLAttributes<T> extends AriaAttributes, DOMAttributes<T> {
+    // Rax-specific Attributes
+    defaultChecked?: boolean;
+    defaultValue?: string | string[];
+    suppressContentEditableWarning?: boolean;
+    suppressHydrationWarning?: boolean;
+
+    // Standard HTML Attributes
+    accessKey?: string;
+    className?: string;
+    contentEditable?: boolean;
+    contextMenu?: string;
+    dir?: string;
+    draggable?: boolean;
+    hidden?: boolean;
+    id?: string;
+    lang?: string;
+    placeholder?: string;
+    slot?: string;
+    spellCheck?: boolean;
+    style?: CSSProperties;
+    tabIndex?: number;
+    title?: string;
+
+    // Unknown
+    inputMode?: string;
+    is?: string;
+    radioGroup?: string; // <command>, <menuitem>
+
+    // WAI-ARIA
+    role?: string;
+
+    // RDFa Attributes
+    about?: string;
+    datatype?: string;
+    inlist?: any;
+    prefix?: string;
+    property?: string;
+    resource?: string;
+    typeof?: string;
+    vocab?: string;
+
+    // Non-standard Attributes
+    autoCapitalize?: string;
+    autoCorrect?: string;
+    autoSave?: string;
+    color?: string;
+    itemProp?: string;
+    itemScope?: boolean;
+    itemType?: string;
+    itemID?: string;
+    itemRef?: string;
+    results?: number;
+    security?: string;
+    unselectable?: 'on' | 'off';
+  }
+
+  interface AllHTMLAttributes<T> extends HTMLAttributes<T> {
+    // Standard HTML Attributes
+    accept?: string;
+    acceptCharset?: string;
+    action?: string;
+    allowFullScreen?: boolean;
+    allowTransparency?: boolean;
+    alt?: string;
+    as?: string;
+    async?: boolean;
+    autoComplete?: string;
+    autoFocus?: boolean;
+    autoPlay?: boolean;
+    capture?: boolean | string;
+    cellPadding?: number | string;
+    cellSpacing?: number | string;
+    charSet?: string;
+    challenge?: string;
+    checked?: boolean;
+    cite?: string;
+    classID?: string;
+    cols?: number;
+    colSpan?: number;
+    content?: string;
+    controls?: boolean;
+    coords?: string;
+    crossOrigin?: string;
+    data?: string;
+    dateTime?: string;
+    default?: boolean;
+    defer?: boolean;
+    disabled?: boolean;
+    download?: any;
+    encType?: string;
+    form?: string;
+    formAction?: string;
+    formEncType?: string;
+    formMethod?: string;
+    formNoValidate?: boolean;
+    formTarget?: string;
+    frameBorder?: number | string;
+    headers?: string;
+    height?: number | string;
+    high?: number;
+    href?: string;
+    hrefLang?: string;
+    htmlFor?: string;
+    httpEquiv?: string;
+    integrity?: string;
+    keyParams?: string;
+    keyType?: string;
+    kind?: string;
+    label?: string;
+    list?: string;
+    loop?: boolean;
+    low?: number;
+    manifest?: string;
+    marginHeight?: number;
+    marginWidth?: number;
+    max?: number | string;
+    maxLength?: number;
+    media?: string;
+    mediaGroup?: string;
+    method?: string;
+    min?: number | string;
+    minLength?: number;
+    multiple?: boolean;
+    muted?: boolean;
+    name?: string;
+    nonce?: string;
+    noValidate?: boolean;
+    open?: boolean;
+    optimum?: number;
+    pattern?: string;
+    placeholder?: string;
+    playsInline?: boolean;
+    poster?: string;
+    preload?: string;
+    readOnly?: boolean;
+    rel?: string;
+    required?: boolean;
+    reversed?: boolean;
+    rows?: number;
+    rowSpan?: number;
+    sandbox?: string;
+    scope?: string;
+    scoped?: boolean;
+    scrolling?: string;
+    seamless?: boolean;
+    selected?: boolean;
+    shape?: string;
+    size?: number;
+    sizes?: string;
+    span?: number;
+    src?: string;
+    srcDoc?: string;
+    srcLang?: string;
+    srcSet?: string;
+    start?: number;
+    step?: number | string;
+    summary?: string;
+    target?: string;
+    type?: string;
+    useMap?: string;
+    value?: string | string[] | number;
+    width?: number | string;
+    wmode?: string;
+    wrap?: string;
+  }
+
+  interface AnchorHTMLAttributes<T> extends HTMLAttributes<T> {
+    download?: any;
+    href?: string;
+    hrefLang?: string;
+    media?: string;
+    rel?: string;
+    target?: string;
+    type?: string;
+    referrerPolicy?: string;
+  }
+
+  // tslint:disable-next-line:no-empty-interface
+  interface AudioHTMLAttributes<T> extends MediaHTMLAttributes<T> {}
+
+  interface AreaHTMLAttributes<T> extends HTMLAttributes<T> {
+    alt?: string;
+    coords?: string;
+    download?: any;
+    href?: string;
+    hrefLang?: string;
+    media?: string;
+    rel?: string;
+    shape?: string;
+    target?: string;
+  }
+
+  interface BaseHTMLAttributes<T> extends HTMLAttributes<T> {
+    href?: string;
+    target?: string;
+  }
+
+  interface BlockquoteHTMLAttributes<T> extends HTMLAttributes<T> {
+    cite?: string;
+  }
+
+  interface ButtonHTMLAttributes<T> extends HTMLAttributes<T> {
+    autoFocus?: boolean;
+    disabled?: boolean;
+    form?: string;
+    formAction?: string;
+    formEncType?: string;
+    formMethod?: string;
+    formNoValidate?: boolean;
+    formTarget?: string;
+    name?: string;
+    type?: 'submit' | 'reset' | 'button';
+    value?: string | string[] | number;
+  }
+
+  interface CanvasHTMLAttributes<T> extends HTMLAttributes<T> {
+    height?: number | string;
+    width?: number | string;
+  }
+
+  interface ColHTMLAttributes<T> extends HTMLAttributes<T> {
+    span?: number;
+    width?: number | string;
+  }
+
+  interface ColgroupHTMLAttributes<T> extends HTMLAttributes<T> {
+    span?: number;
+  }
+
+  interface DetailsHTMLAttributes<T> extends HTMLAttributes<T> {
+    open?: boolean;
+  }
+
+  interface DelHTMLAttributes<T> extends HTMLAttributes<T> {
+    cite?: string;
+    dateTime?: string;
+  }
+
+  interface DialogHTMLAttributes<T> extends HTMLAttributes<T> {
+    open?: boolean;
+  }
+
+  interface EmbedHTMLAttributes<T> extends HTMLAttributes<T> {
+    height?: number | string;
+    src?: string;
+    type?: string;
+    width?: number | string;
+  }
+
+  interface FieldsetHTMLAttributes<T> extends HTMLAttributes<T> {
+    disabled?: boolean;
+    form?: string;
+    name?: string;
+  }
+
+  interface FormHTMLAttributes<T> extends HTMLAttributes<T> {
+    acceptCharset?: string;
+    action?: string;
+    autoComplete?: string;
+    encType?: string;
+    method?: string;
+    name?: string;
+    noValidate?: boolean;
+    target?: string;
+  }
+
+  interface HtmlHTMLAttributes<T> extends HTMLAttributes<T> {
+    manifest?: string;
+  }
+
+  interface IframeHTMLAttributes<T> extends HTMLAttributes<T> {
+    allow?: string;
+    allowFullScreen?: boolean;
+    allowTransparency?: boolean;
+    frameBorder?: number | string;
+    height?: number | string;
+    marginHeight?: number;
+    marginWidth?: number;
+    name?: string;
+    referrerPolicy?: string;
+    sandbox?: string;
+    scrolling?: string;
+    seamless?: boolean;
+    src?: string;
+    srcDoc?: string;
+    width?: number | string;
+  }
+
+  interface ImgHTMLAttributes<T> extends HTMLAttributes<T> {
+    alt?: string;
+    crossOrigin?: 'anonymous' | 'use-credentials' | '';
+    decoding?: 'async' | 'auto' | 'sync';
+    height?: number | string;
+    sizes?: string;
+    src?: string;
+    srcSet?: string;
+    useMap?: string;
+    width?: number | string;
+  }
+
+  interface InsHTMLAttributes<T> extends HTMLAttributes<T> {
+    cite?: string;
+    dateTime?: string;
+  }
+
+  interface InputHTMLAttributes<T> extends HTMLAttributes<T> {
+    accept?: string;
+    alt?: string;
+    autoComplete?: string;
+    autoFocus?: boolean;
+    capture?: boolean | string; // https://www.w3.org/TR/html-media-capture/#the-capture-attribute
+    checked?: boolean;
+    crossOrigin?: string;
+    disabled?: boolean;
+    form?: string;
+    formAction?: string;
+    formEncType?: string;
+    formMethod?: string;
+    formNoValidate?: boolean;
+    formTarget?: string;
+    height?: number | string;
+    list?: string;
+    max?: number | string;
+    maxLength?: number;
+    min?: number | string;
+    minLength?: number;
+    multiple?: boolean;
+    name?: string;
+    pattern?: string;
+    placeholder?: string;
+    readOnly?: boolean;
+    required?: boolean;
+    size?: number;
+    src?: string;
+    step?: number | string;
+    type?: string;
+    value?: string | string[] | number;
+    width?: number | string;
+
+    onChange?: ChangeEventHandler<T>;
+  }
+
+  interface KeygenHTMLAttributes<T> extends HTMLAttributes<T> {
+    autoFocus?: boolean;
+    challenge?: string;
+    disabled?: boolean;
+    form?: string;
+    keyType?: string;
+    keyParams?: string;
+    name?: string;
+  }
+
+  interface LabelHTMLAttributes<T> extends HTMLAttributes<T> {
+    form?: string;
+    htmlFor?: string;
+  }
+
+  interface LiHTMLAttributes<T> extends HTMLAttributes<T> {
+    value?: string | string[] | number;
+  }
+
+  interface LinkHTMLAttributes<T> extends HTMLAttributes<T> {
+    as?: string;
+    crossOrigin?: string;
+    href?: string;
+    hrefLang?: string;
+    integrity?: string;
+    media?: string;
+    rel?: string;
+    sizes?: string;
+    type?: string;
+  }
+
+  interface MapHTMLAttributes<T> extends HTMLAttributes<T> {
+    name?: string;
+  }
+
+  interface MenuHTMLAttributes<T> extends HTMLAttributes<T> {
+    type?: string;
+  }
+
+  interface MediaHTMLAttributes<T> extends HTMLAttributes<T> {
+    autoPlay?: boolean;
+    controls?: boolean;
+    controlsList?: string;
+    crossOrigin?: string;
+    loop?: boolean;
+    mediaGroup?: string;
+    muted?: boolean;
+    playsinline?: boolean;
+    preload?: string;
+    src?: string;
+  }
+
+  interface MetaHTMLAttributes<T> extends HTMLAttributes<T> {
+    charSet?: string;
+    content?: string;
+    httpEquiv?: string;
+    name?: string;
+  }
+
+  interface MeterHTMLAttributes<T> extends HTMLAttributes<T> {
+    form?: string;
+    high?: number;
+    low?: number;
+    max?: number | string;
+    min?: number | string;
+    optimum?: number;
+    value?: string | string[] | number;
+  }
+
+  interface QuoteHTMLAttributes<T> extends HTMLAttributes<T> {
+    cite?: string;
+  }
+
+  interface ObjectHTMLAttributes<T> extends HTMLAttributes<T> {
+    classID?: string;
+    data?: string;
+    form?: string;
+    height?: number | string;
+    name?: string;
+    type?: string;
+    useMap?: string;
+    width?: number | string;
+    wmode?: string;
+  }
+
+  interface OlHTMLAttributes<T> extends HTMLAttributes<T> {
+    reversed?: boolean;
+    start?: number;
+    type?: '1' | 'a' | 'A' | 'i' | 'I';
+  }
+
+  interface OptgroupHTMLAttributes<T> extends HTMLAttributes<T> {
+    disabled?: boolean;
+    label?: string;
+  }
+
+  interface OptionHTMLAttributes<T> extends HTMLAttributes<T> {
+    disabled?: boolean;
+    label?: string;
+    selected?: boolean;
+    value?: string | string[] | number;
+  }
+
+  interface OutputHTMLAttributes<T> extends HTMLAttributes<T> {
+    form?: string;
+    htmlFor?: string;
+    name?: string;
+  }
+
+  interface ParamHTMLAttributes<T> extends HTMLAttributes<T> {
+    name?: string;
+    value?: string | string[] | number;
+  }
+
+  interface ProgressHTMLAttributes<T> extends HTMLAttributes<T> {
+    max?: number | string;
+    value?: string | string[] | number;
+  }
+
+  interface ScriptHTMLAttributes<T> extends HTMLAttributes<T> {
+    async?: boolean;
+    charSet?: string;
+    crossOrigin?: string;
+    defer?: boolean;
+    integrity?: string;
+    noModule?: boolean;
+    nonce?: string;
+    src?: string;
+    type?: string;
+  }
+
+  interface SelectHTMLAttributes<T> extends HTMLAttributes<T> {
+    autoComplete?: string;
+    autoFocus?: boolean;
+    disabled?: boolean;
+    form?: string;
+    multiple?: boolean;
+    name?: string;
+    required?: boolean;
+    size?: number;
+    value?: string | string[] | number;
+    onChange?: ChangeEventHandler<T>;
+  }
+
+  interface SourceHTMLAttributes<T> extends HTMLAttributes<T> {
+    media?: string;
+    sizes?: string;
+    src?: string;
+    srcSet?: string;
+    type?: string;
+  }
+
+  interface StyleHTMLAttributes<T> extends HTMLAttributes<T> {
+    media?: string;
+    nonce?: string;
+    scoped?: boolean;
+    type?: string;
+  }
+
+  interface TableHTMLAttributes<T> extends HTMLAttributes<T> {
+    cellPadding?: number | string;
+    cellSpacing?: number | string;
+    summary?: string;
+  }
+
+  interface TextareaHTMLAttributes<T> extends HTMLAttributes<T> {
+    autoComplete?: string;
+    autoFocus?: boolean;
+    cols?: number;
+    dirName?: string;
+    disabled?: boolean;
+    form?: string;
+    maxLength?: number;
+    minLength?: number;
+    name?: string;
+    placeholder?: string;
+    readOnly?: boolean;
+    required?: boolean;
+    rows?: number;
+    value?: string | string[] | number;
+    wrap?: string;
+
+    onChange?: ChangeEventHandler<T>;
+  }
+
+  interface TdHTMLAttributes<T> extends HTMLAttributes<T> {
+    align?: 'left' | 'center' | 'right' | 'justify' | 'char';
+    colSpan?: number;
+    headers?: string;
+    rowSpan?: number;
+    scope?: string;
+  }
+
+  interface ThHTMLAttributes<T> extends HTMLAttributes<T> {
+    align?: 'left' | 'center' | 'right' | 'justify' | 'char';
+    colSpan?: number;
+    headers?: string;
+    rowSpan?: number;
+    scope?: string;
+  }
+
+  interface TimeHTMLAttributes<T> extends HTMLAttributes<T> {
+    dateTime?: string;
+  }
+
+  interface TrackHTMLAttributes<T> extends HTMLAttributes<T> {
+    default?: boolean;
+    kind?: string;
+    label?: string;
+    src?: string;
+    srcLang?: string;
+  }
+
+  interface VideoHTMLAttributes<T> extends MediaHTMLAttributes<T> {
+    height?: number | string;
+    playsInline?: boolean;
+    poster?: string;
+    width?: number | string;
+  }
+
+  // this list is "complete" in that it contains every SVG attribute
+  // that Rax supports, but the types can be improved.
+  // Full list here: https://facebook.github.io/rax/docs/dom-elements.html
+  //
+  // The three broad type categories are (in order of restrictiveness):
+  //   - "number | string"
+  //   - "string"
+  //   - union of string literals
+  interface SVGAttributes<T> extends AriaAttributes, DOMAttributes<T> {
+    // Attributes which also defined in HTMLAttributes
+    // See comment in SVGDOMPropertyConfig.js
+    className?: string;
+    color?: string;
+    height?: number | string;
+    id?: string;
+    lang?: string;
+    max?: number | string;
+    media?: string;
+    method?: string;
+    min?: number | string;
+    name?: string;
+    style?: CSSProperties;
+    target?: string;
+    type?: string;
+    width?: number | string;
+
+    // Other HTML properties supported by SVG elements in browsers
+    role?: string;
+    tabIndex?: number;
+
+    // SVG Specific attributes
+    accentHeight?: number | string;
+    accumulate?: 'none' | 'sum';
+    additive?: 'replace' | 'sum';
+    alignmentBaseline?:
+      | 'auto'
+      | 'baseline'
+      | 'before-edge'
+      | 'text-before-edge'
+      | 'middle'
+      | 'central'
+      | 'after-edge'
+      | 'text-after-edge'
+      | 'ideographic'
+      | 'alphabetic'
+      | 'hanging'
+      | 'mathematical'
+      | 'inherit';
+    allowReorder?: 'no' | 'yes';
+    alphabetic?: number | string;
+    amplitude?: number | string;
+    arabicForm?: 'initial' | 'medial' | 'terminal' | 'isolated';
+    ascent?: number | string;
+    attributeName?: string;
+    attributeType?: string;
+    autoReverse?: number | string;
+    azimuth?: number | string;
+    baseFrequency?: number | string;
+    baselineShift?: number | string;
+    baseProfile?: number | string;
+    bbox?: number | string;
+    begin?: number | string;
+    bias?: number | string;
+    by?: number | string;
+    calcMode?: number | string;
+    capHeight?: number | string;
+    clip?: number | string;
+    clipPath?: string;
+    clipPathUnits?: number | string;
+    clipRule?: number | string;
+    colorInterpolation?: number | string;
+    colorInterpolationFilters?: 'auto' | 'sRGB' | 'linearRGB' | 'inherit';
+    colorProfile?: number | string;
+    colorRendering?: number | string;
+    contentScriptType?: number | string;
+    contentStyleType?: number | string;
+    cursor?: number | string;
+    cx?: number | string;
+    cy?: number | string;
+    d?: string;
+    decelerate?: number | string;
+    descent?: number | string;
+    diffuseConstant?: number | string;
+    direction?: number | string;
+    display?: number | string;
+    divisor?: number | string;
+    dominantBaseline?: number | string;
+    dur?: number | string;
+    dx?: number | string;
+    dy?: number | string;
+    edgeMode?: number | string;
+    elevation?: number | string;
+    enableBackground?: number | string;
+    end?: number | string;
+    exponent?: number | string;
+    externalResourcesRequired?: number | string;
+    fill?: string;
+    fillOpacity?: number | string;
+    fillRule?: 'nonzero' | 'evenodd' | 'inherit';
+    filter?: string;
+    filterRes?: number | string;
+    filterUnits?: number | string;
+    floodColor?: number | string;
+    floodOpacity?: number | string;
+    focusable?: number | string;
+    fontFamily?: string;
+    fontSize?: number | string;
+    fontSizeAdjust?: number | string;
+    fontStretch?: number | string;
+    fontStyle?: number | string;
+    fontVariant?: number | string;
+    fontWeight?: number | string;
+    format?: number | string;
+    from?: number | string;
+    fx?: number | string;
+    fy?: number | string;
+    g1?: number | string;
+    g2?: number | string;
+    glyphName?: number | string;
+    glyphOrientationHorizontal?: number | string;
+    glyphOrientationVertical?: number | string;
+    glyphRef?: number | string;
+    gradientTransform?: string;
+    gradientUnits?: string;
+    hanging?: number | string;
+    horizAdvX?: number | string;
+    horizOriginX?: number | string;
+    href?: string;
+    ideographic?: number | string;
+    imageRendering?: number | string;
+    in2?: number | string;
+    in?: string;
+    intercept?: number | string;
+    k1?: number | string;
+    k2?: number | string;
+    k3?: number | string;
+    k4?: number | string;
+    k?: number | string;
+    kernelMatrix?: number | string;
+    kernelUnitLength?: number | string;
+    kerning?: number | string;
+    keyPoints?: number | string;
+    keySplines?: number | string;
+    keyTimes?: number | string;
+    lengthAdjust?: number | string;
+    letterSpacing?: number | string;
+    lightingColor?: number | string;
+    limitingConeAngle?: number | string;
+    local?: number | string;
+    markerEnd?: string;
+    markerHeight?: number | string;
+    markerMid?: string;
+    markerStart?: string;
+    markerUnits?: number | string;
+    markerWidth?: number | string;
+    mask?: string;
+    maskContentUnits?: number | string;
+    maskUnits?: number | string;
+    mathematical?: number | string;
+    mode?: number | string;
+    numOctaves?: number | string;
+    offset?: number | string;
+    opacity?: number | string;
+    operator?: number | string;
+    order?: number | string;
+    orient?: number | string;
+    orientation?: number | string;
+    origin?: number | string;
+    overflow?: number | string;
+    overlinePosition?: number | string;
+    overlineThickness?: number | string;
+    paintOrder?: number | string;
+    panose1?: number | string;
+    pathLength?: number | string;
+    patternContentUnits?: string;
+    patternTransform?: number | string;
+    patternUnits?: string;
+    pointerEvents?: number | string;
+    points?: string;
+    pointsAtX?: number | string;
+    pointsAtY?: number | string;
+    pointsAtZ?: number | string;
+    preserveAlpha?: number | string;
+    preserveAspectRatio?: string;
+    primitiveUnits?: number | string;
+    r?: number | string;
+    radius?: number | string;
+    refX?: number | string;
+    refY?: number | string;
+    renderingIntent?: number | string;
+    repeatCount?: number | string;
+    repeatDur?: number | string;
+    requiredExtensions?: number | string;
+    requiredFeatures?: number | string;
+    restart?: number | string;
+    result?: string;
+    rotate?: number | string;
+    rx?: number | string;
+    ry?: number | string;
+    scale?: number | string;
+    seed?: number | string;
+    shapeRendering?: number | string;
+    slope?: number | string;
+    spacing?: number | string;
+    specularConstant?: number | string;
+    specularExponent?: number | string;
+    speed?: number | string;
+    spreadMethod?: string;
+    startOffset?: number | string;
+    stdDeviation?: number | string;
+    stemh?: number | string;
+    stemv?: number | string;
+    stitchTiles?: number | string;
+    stopColor?: string;
+    stopOpacity?: number | string;
+    strikethroughPosition?: number | string;
+    strikethroughThickness?: number | string;
+    string?: number | string;
+    stroke?: string;
+    strokeDasharray?: string | number;
+    strokeDashoffset?: string | number;
+    strokeLinecap?: 'butt' | 'round' | 'square' | 'inherit';
+    strokeLinejoin?: 'miter' | 'round' | 'bevel' | 'inherit';
+    strokeMiterlimit?: number | string;
+    strokeOpacity?: number | string;
+    strokeWidth?: number | string;
+    surfaceScale?: number | string;
+    systemLanguage?: number | string;
+    tableValues?: number | string;
+    targetX?: number | string;
+    targetY?: number | string;
+    textAnchor?: string;
+    textDecoration?: number | string;
+    textLength?: number | string;
+    textRendering?: number | string;
+    to?: number | string;
+    transform?: string;
+    u1?: number | string;
+    u2?: number | string;
+    underlinePosition?: number | string;
+    underlineThickness?: number | string;
+    unicode?: number | string;
+    unicodeBidi?: number | string;
+    unicodeRange?: number | string;
+    unitsPerEm?: number | string;
+    vAlphabetic?: number | string;
+    values?: string;
+    vectorEffect?: number | string;
+    version?: string;
+    vertAdvY?: number | string;
+    vertOriginX?: number | string;
+    vertOriginY?: number | string;
+    vHanging?: number | string;
+    vIdeographic?: number | string;
+    viewBox?: string;
+    viewTarget?: number | string;
+    visibility?: number | string;
+    vMathematical?: number | string;
+    widths?: number | string;
+    wordSpacing?: number | string;
+    writingMode?: number | string;
+    x1?: number | string;
+    x2?: number | string;
+    x?: number | string;
+    xChannelSelector?: string;
+    xHeight?: number | string;
+    xlinkActuate?: string;
+    xlinkArcrole?: string;
+    xlinkHref?: string;
+    xlinkRole?: string;
+    xlinkShow?: string;
+    xlinkTitle?: string;
+    xlinkType?: string;
+    xmlBase?: string;
+    xmlLang?: string;
+    xmlns?: string;
+    xmlnsXlink?: string;
+    xmlSpace?: string;
+    y1?: number | string;
+    y2?: number | string;
+    y?: number | string;
+    yChannelSelector?: string;
+    z?: number | string;
+    zoomAndPan?: string;
+  }
+
+  interface WebViewHTMLAttributes<T> extends HTMLAttributes<T> {
+    allowFullScreen?: boolean;
+    allowpopups?: boolean;
+    autoFocus?: boolean;
+    autosize?: boolean;
+    blinkfeatures?: string;
+    disableblinkfeatures?: string;
+    disableguestresize?: boolean;
+    disablewebsecurity?: boolean;
+    guestinstance?: string;
+    httpreferrer?: string;
+    nodeintegration?: boolean;
+    partition?: string;
+    plugins?: boolean;
+    preload?: string;
+    src?: string;
+    useragent?: string;
+    webpreferences?: string;
+  }
+
+  //
+  // Rax.DOM
+  // ----------------------------------------------------------------------
+
+  interface RaxHTML {
+    a: DetailedHTMLFactory<AnchorHTMLAttributes<HTMLAnchorElement>, HTMLAnchorElement>;
+    abbr: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    address: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    area: DetailedHTMLFactory<AreaHTMLAttributes<HTMLAreaElement>, HTMLAreaElement>;
+    article: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    aside: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    audio: DetailedHTMLFactory<AudioHTMLAttributes<HTMLAudioElement>, HTMLAudioElement>;
+    b: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    base: DetailedHTMLFactory<BaseHTMLAttributes<HTMLBaseElement>, HTMLBaseElement>;
+    bdi: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    bdo: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    big: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    blockquote: DetailedHTMLFactory<BlockquoteHTMLAttributes<HTMLElement>, HTMLElement>;
+    body: DetailedHTMLFactory<HTMLAttributes<HTMLBodyElement>, HTMLBodyElement>;
+    br: DetailedHTMLFactory<HTMLAttributes<HTMLBRElement>, HTMLBRElement>;
+    button: DetailedHTMLFactory<ButtonHTMLAttributes<HTMLButtonElement>, HTMLButtonElement>;
+    canvas: DetailedHTMLFactory<CanvasHTMLAttributes<HTMLCanvasElement>, HTMLCanvasElement>;
+    caption: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    cite: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    code: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    col: DetailedHTMLFactory<ColHTMLAttributes<HTMLTableColElement>, HTMLTableColElement>;
+    colgroup: DetailedHTMLFactory<ColgroupHTMLAttributes<HTMLTableColElement>, HTMLTableColElement>;
+    data: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    datalist: DetailedHTMLFactory<HTMLAttributes<HTMLDataListElement>, HTMLDataListElement>;
+    dd: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    del: DetailedHTMLFactory<DelHTMLAttributes<HTMLElement>, HTMLElement>;
+    details: DetailedHTMLFactory<DetailsHTMLAttributes<HTMLElement>, HTMLElement>;
+    dfn: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    dialog: DetailedHTMLFactory<DialogHTMLAttributes<HTMLDialogElement>, HTMLDialogElement>;
+    div: DetailedHTMLFactory<HTMLAttributes<HTMLDivElement>, HTMLDivElement>;
+    dl: DetailedHTMLFactory<HTMLAttributes<HTMLDListElement>, HTMLDListElement>;
+    dt: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    em: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    embed: DetailedHTMLFactory<EmbedHTMLAttributes<HTMLEmbedElement>, HTMLEmbedElement>;
+    fieldset: DetailedHTMLFactory<FieldsetHTMLAttributes<HTMLFieldSetElement>, HTMLFieldSetElement>;
+    figcaption: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    figure: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    footer: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    form: DetailedHTMLFactory<FormHTMLAttributes<HTMLFormElement>, HTMLFormElement>;
+    h1: DetailedHTMLFactory<HTMLAttributes<HTMLHeadingElement>, HTMLHeadingElement>;
+    h2: DetailedHTMLFactory<HTMLAttributes<HTMLHeadingElement>, HTMLHeadingElement>;
+    h3: DetailedHTMLFactory<HTMLAttributes<HTMLHeadingElement>, HTMLHeadingElement>;
+    h4: DetailedHTMLFactory<HTMLAttributes<HTMLHeadingElement>, HTMLHeadingElement>;
+    h5: DetailedHTMLFactory<HTMLAttributes<HTMLHeadingElement>, HTMLHeadingElement>;
+    h6: DetailedHTMLFactory<HTMLAttributes<HTMLHeadingElement>, HTMLHeadingElement>;
+    head: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLHeadElement>;
+    header: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    hgroup: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    hr: DetailedHTMLFactory<HTMLAttributes<HTMLHRElement>, HTMLHRElement>;
+    html: DetailedHTMLFactory<HtmlHTMLAttributes<HTMLHtmlElement>, HTMLHtmlElement>;
+    i: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    iframe: DetailedHTMLFactory<IframeHTMLAttributes<HTMLIFrameElement>, HTMLIFrameElement>;
+    img: DetailedHTMLFactory<ImgHTMLAttributes<HTMLImageElement>, HTMLImageElement>;
+    input: DetailedHTMLFactory<InputHTMLAttributes<HTMLInputElement>, HTMLInputElement>;
+    ins: DetailedHTMLFactory<InsHTMLAttributes<HTMLModElement>, HTMLModElement>;
+    kbd: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    keygen: DetailedHTMLFactory<KeygenHTMLAttributes<HTMLElement>, HTMLElement>;
+    label: DetailedHTMLFactory<LabelHTMLAttributes<HTMLLabelElement>, HTMLLabelElement>;
+    legend: DetailedHTMLFactory<HTMLAttributes<HTMLLegendElement>, HTMLLegendElement>;
+    li: DetailedHTMLFactory<LiHTMLAttributes<HTMLLIElement>, HTMLLIElement>;
+    link: DetailedHTMLFactory<LinkHTMLAttributes<HTMLLinkElement>, HTMLLinkElement>;
+    main: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    map: DetailedHTMLFactory<MapHTMLAttributes<HTMLMapElement>, HTMLMapElement>;
+    mark: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    menu: DetailedHTMLFactory<MenuHTMLAttributes<HTMLElement>, HTMLElement>;
+    menuitem: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    meta: DetailedHTMLFactory<MetaHTMLAttributes<HTMLMetaElement>, HTMLMetaElement>;
+    meter: DetailedHTMLFactory<MeterHTMLAttributes<HTMLElement>, HTMLElement>;
+    nav: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    noscript: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    object: DetailedHTMLFactory<ObjectHTMLAttributes<HTMLObjectElement>, HTMLObjectElement>;
+    ol: DetailedHTMLFactory<OlHTMLAttributes<HTMLOListElement>, HTMLOListElement>;
+    optgroup: DetailedHTMLFactory<OptgroupHTMLAttributes<HTMLOptGroupElement>, HTMLOptGroupElement>;
+    option: DetailedHTMLFactory<OptionHTMLAttributes<HTMLOptionElement>, HTMLOptionElement>;
+    output: DetailedHTMLFactory<OutputHTMLAttributes<HTMLElement>, HTMLElement>;
+    p: DetailedHTMLFactory<HTMLAttributes<HTMLParagraphElement>, HTMLParagraphElement>;
+    param: DetailedHTMLFactory<ParamHTMLAttributes<HTMLParamElement>, HTMLParamElement>;
+    picture: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    pre: DetailedHTMLFactory<HTMLAttributes<HTMLPreElement>, HTMLPreElement>;
+    progress: DetailedHTMLFactory<ProgressHTMLAttributes<HTMLProgressElement>, HTMLProgressElement>;
+    q: DetailedHTMLFactory<QuoteHTMLAttributes<HTMLQuoteElement>, HTMLQuoteElement>;
+    rp: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    rt: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    ruby: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    s: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    samp: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    script: DetailedHTMLFactory<ScriptHTMLAttributes<HTMLScriptElement>, HTMLScriptElement>;
+    section: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    select: DetailedHTMLFactory<SelectHTMLAttributes<HTMLSelectElement>, HTMLSelectElement>;
+    small: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    source: DetailedHTMLFactory<SourceHTMLAttributes<HTMLSourceElement>, HTMLSourceElement>;
+    span: DetailedHTMLFactory<HTMLAttributes<HTMLSpanElement>, HTMLSpanElement>;
+    strong: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    style: DetailedHTMLFactory<StyleHTMLAttributes<HTMLStyleElement>, HTMLStyleElement>;
+    sub: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    summary: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    sup: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    table: DetailedHTMLFactory<TableHTMLAttributes<HTMLTableElement>, HTMLTableElement>;
+    tbody: DetailedHTMLFactory<HTMLAttributes<HTMLTableSectionElement>, HTMLTableSectionElement>;
+    td: DetailedHTMLFactory<TdHTMLAttributes<HTMLTableDataCellElement>, HTMLTableDataCellElement>;
+    textarea: DetailedHTMLFactory<TextareaHTMLAttributes<HTMLTextAreaElement>, HTMLTextAreaElement>;
+    tfoot: DetailedHTMLFactory<HTMLAttributes<HTMLTableSectionElement>, HTMLTableSectionElement>;
+    th: DetailedHTMLFactory<
+      ThHTMLAttributes<HTMLTableHeaderCellElement>,
+      HTMLTableHeaderCellElement
+    >;
+    thead: DetailedHTMLFactory<HTMLAttributes<HTMLTableSectionElement>, HTMLTableSectionElement>;
+    time: DetailedHTMLFactory<TimeHTMLAttributes<HTMLElement>, HTMLElement>;
+    title: DetailedHTMLFactory<HTMLAttributes<HTMLTitleElement>, HTMLTitleElement>;
+    tr: DetailedHTMLFactory<HTMLAttributes<HTMLTableRowElement>, HTMLTableRowElement>;
+    track: DetailedHTMLFactory<TrackHTMLAttributes<HTMLTrackElement>, HTMLTrackElement>;
+    u: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    ul: DetailedHTMLFactory<HTMLAttributes<HTMLUListElement>, HTMLUListElement>;
+    var: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    video: DetailedHTMLFactory<VideoHTMLAttributes<HTMLVideoElement>, HTMLVideoElement>;
+    wbr: DetailedHTMLFactory<HTMLAttributes<HTMLElement>, HTMLElement>;
+    webview: DetailedHTMLFactory<WebViewHTMLAttributes<HTMLWebViewElement>, HTMLWebViewElement>;
+  }
+
+  interface RaxSVG {
+    animate: SVGFactory;
+    circle: SVGFactory;
+    clipPath: SVGFactory;
+    defs: SVGFactory;
+    desc: SVGFactory;
+    ellipse: SVGFactory;
+    feBlend: SVGFactory;
+    feColorMatrix: SVGFactory;
+    feComponentTransfer: SVGFactory;
+    feComposite: SVGFactory;
+    feConvolveMatrix: SVGFactory;
+    feDiffuseLighting: SVGFactory;
+    feDisplacementMap: SVGFactory;
+    feDistantLight: SVGFactory;
+    feDropShadow: SVGFactory;
+    feFlood: SVGFactory;
+    feFuncA: SVGFactory;
+    feFuncB: SVGFactory;
+    feFuncG: SVGFactory;
+    feFuncR: SVGFactory;
+    feGaussianBlur: SVGFactory;
+    feImage: SVGFactory;
+    feMerge: SVGFactory;
+    feMergeNode: SVGFactory;
+    feMorphology: SVGFactory;
+    feOffset: SVGFactory;
+    fePointLight: SVGFactory;
+    feSpecularLighting: SVGFactory;
+    feSpotLight: SVGFactory;
+    feTile: SVGFactory;
+    feTurbulence: SVGFactory;
+    filter: SVGFactory;
+    foreignObject: SVGFactory;
+    g: SVGFactory;
+    image: SVGFactory;
+    line: SVGFactory;
+    linearGradient: SVGFactory;
+    marker: SVGFactory;
+    mask: SVGFactory;
+    metadata: SVGFactory;
+    path: SVGFactory;
+    pattern: SVGFactory;
+    polygon: SVGFactory;
+    polyline: SVGFactory;
+    radialGradient: SVGFactory;
+    rect: SVGFactory;
+    stop: SVGFactory;
+    svg: SVGFactory;
+    switch: SVGFactory;
+    symbol: SVGFactory;
+    text: SVGFactory;
+    textPath: SVGFactory;
+    tspan: SVGFactory;
+    use: SVGFactory;
+    view: SVGFactory;
+  }
+
+  interface RaxDOM extends RaxHTML, RaxSVG {}
+
+  //
+  // Rax.PropTypes
+  // ----------------------------------------------------------------------
+
+  type Validator<T> = PropTypes.Validator<T>;
+
+  type Requireable<T> = PropTypes.Requireable<T>;
+
+  type ValidationMap<T> = PropTypes.ValidationMap<T>;
+
+  type WeakValidationMap<T> = {
+    [K in keyof T]?: null extends T[K]
+      ? Validator<T[K] | null | undefined>
+      : undefined extends T[K]
+      ? Validator<T[K] | null | undefined>
+      : Validator<T[K]>
+  };
+
+  interface RaxPropTypes {
+    any: typeof PropTypes.any;
+    array: typeof PropTypes.array;
+    bool: typeof PropTypes.bool;
+    func: typeof PropTypes.func;
+    number: typeof PropTypes.number;
+    object: typeof PropTypes.object;
+    string: typeof PropTypes.string;
+    node: typeof PropTypes.node;
+    element: typeof PropTypes.element;
+    instanceOf: typeof PropTypes.instanceOf;
+    oneOf: typeof PropTypes.oneOf;
+    oneOfType: typeof PropTypes.oneOfType;
+    arrayOf: typeof PropTypes.arrayOf;
+    objectOf: typeof PropTypes.objectOf;
+    shape: typeof PropTypes.shape;
+    exact: typeof PropTypes.exact;
+  }
+
+  //
+  // Rax.Children
+  // ----------------------------------------------------------------------
+
+  interface RaxChildren {
+    map<T, C>(children: C | C[], fn: (child: C, index: number) => T):
+        C extends null | undefined ? C : Array<Exclude<T, boolean | null | undefined>>;
+    forEach<C>(children: C | C[], fn: (child: C, index: number) => void): void;
+    count(children: any): number;
+    only<C>(children: C): C extends any[] ? never : C;
+    toArray<C>(children: C | C[]): C[];
+  }
+
+  //
+  // Browser Interfaces
+  // https://github.com/nikeee/2048-typescript/blob/master/2048/js/touch.d.ts
+  // ----------------------------------------------------------------------
+
+  interface AbstractView {
+    styleMedia: StyleMedia;
+    document: Document;
+  }
+
+  interface Touch {
+    identifier: number;
+    target: EventTarget;
+    screenX: number;
+    screenY: number;
+    clientX: number;
+    clientY: number;
+    pageX: number;
+    pageY: number;
+  }
+
+  interface TouchList {
+    [index: number]: Touch;
+    length: number;
+    item(index: number): Touch;
+    identifiedTouch(identifier: number): Touch;
+  }
+
+  //
+  // Error Interfaces
+  // ----------------------------------------------------------------------
+  interface ErrorInfo {
+    /**
+     * Captures which component contained the exception, and its ancestors.
+     */
+    componentStack: string;
+  }
+}
+
+// naked 'any' type in a conditional type will short circuit and union both the then/else branches
+// so boolean is only resolved for T = any
+type IsExactlyAny<T> = boolean extends (T extends never ? true : false) ? true : false;
+
+type ExactlyAnyPropertyKeys<T> = {
+  [K in keyof T]: IsExactlyAny<T[K]> extends true ? K : never
+}[keyof T];
+type NotExactlyAnyPropertyKeys<T> = Exclude<keyof T, ExactlyAnyPropertyKeys<T>>;
+
+// Try to resolve ill-defined props like for JS users: props can be any, or sometimes objects with properties of type any
+type MergePropTypes<P, T> =
+  // Distribute over P in case it is a union type
+  P extends any // If props is type any, use propTypes definitions
+    ? IsExactlyAny<P> extends true
+      ? T // If declared props have indexed properties, ignore inferred props entirely as keyof gets widened
+      : string extends keyof P
+      ? P // Prefer declared types which are not exactly any
+      : Pick<P, NotExactlyAnyPropertyKeys<P>> &
+          // For props which are exactly any, use the type inferred from propTypes if present
+          Pick<T, Exclude<keyof T, NotExactlyAnyPropertyKeys<P>>> &
+          // Keep leftover props not specified in propTypes
+          Pick<P, Exclude<keyof P, keyof T>>
+    : never;
+
+// Any prop that has a default prop becomes optional, but its type is unchanged
+// Undeclared default props are augmented into the resulting allowable attributes
+// If declared props have indexed properties, ignore default props entirely as keyof gets widened
+// Wrap in an outer-level conditional type to allow distribution over props that are unions
+type Defaultize<P, D> = P extends any
+  ? string extends keyof P
+    ? P
+    : Pick<P, Exclude<keyof P, keyof D>> &
+        Partial<Pick<P, Extract<keyof P, keyof D>>> &
+        Partial<Pick<D, Exclude<keyof D, keyof P>>>
+  : never;
+
+type RaxManagedAttributes<C, P> = C extends { propTypes: infer T; defaultProps: infer D }
+  ? Defaultize<MergePropTypes<P, PropTypes.InferProps<T>>, D>
+  : C extends { propTypes: infer T }
+  ? MergePropTypes<P, PropTypes.InferProps<T>>
+  : C extends { defaultProps: infer D }
+  ? Defaultize<P, D>
+  : P;
+
+declare global {
+  namespace JSX {
+    // tslint:disable-next-line:no-empty-interface
+    interface Element extends Rax.RaxElement<any, any> {}
+    interface ElementClass extends Rax.Component<any> {
+      render(): Rax.RaxNode;
+    }
+    interface ElementAttributesProperty {
+      props: {};
+    }
+    interface ElementChildrenAttribute {
+      children: {};
+    }
+
+    // We can't recurse forever because `type` can't be self-referential;
+    // let's assume it's reasonable to do a single Rax.lazy() around a single Rax.memo() / vice-versa
+    type LibraryManagedAttributes<C, P> = C extends Rax.MemoExoticComponent<infer T>
+      ? T extends Rax.MemoExoticComponent<infer U>
+        ? RaxManagedAttributes<U, P>
+        : RaxManagedAttributes<T, P>
+      : RaxManagedAttributes<C, P>;
+
+    // tslint:disable-next-line:no-empty-interface
+    interface IntrinsicAttributes extends Rax.Attributes {}
+    // tslint:disable-next-line:no-empty-interface
+    interface IntrinsicClassAttributes<T> extends Rax.ClassAttributes<T> {}
+
+    interface IntrinsicElements {
+      // HTML
+      a: Rax.DetailedHTMLProps<Rax.AnchorHTMLAttributes<HTMLAnchorElement>, HTMLAnchorElement>;
+      abbr: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      address: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      area: Rax.DetailedHTMLProps<Rax.AreaHTMLAttributes<HTMLAreaElement>, HTMLAreaElement>;
+      article: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      aside: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      audio: Rax.DetailedHTMLProps<Rax.AudioHTMLAttributes<HTMLAudioElement>, HTMLAudioElement>;
+      b: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      base: Rax.DetailedHTMLProps<Rax.BaseHTMLAttributes<HTMLBaseElement>, HTMLBaseElement>;
+      bdi: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      bdo: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      big: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      blockquote: Rax.DetailedHTMLProps<Rax.BlockquoteHTMLAttributes<HTMLElement>, HTMLElement>;
+      body: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLBodyElement>, HTMLBodyElement>;
+      br: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLBRElement>, HTMLBRElement>;
+      button: Rax.DetailedHTMLProps<Rax.ButtonHTMLAttributes<HTMLButtonElement>, HTMLButtonElement>;
+      canvas: Rax.DetailedHTMLProps<Rax.CanvasHTMLAttributes<HTMLCanvasElement>, HTMLCanvasElement>;
+      caption: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      cite: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      code: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      col: Rax.DetailedHTMLProps<Rax.ColHTMLAttributes<HTMLTableColElement>, HTMLTableColElement>;
+      colgroup: Rax.DetailedHTMLProps<
+        Rax.ColgroupHTMLAttributes<HTMLTableColElement>,
+        HTMLTableColElement
+      >;
+      data: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      datalist: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLDataListElement>, HTMLDataListElement>;
+      dd: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      del: Rax.DetailedHTMLProps<Rax.DelHTMLAttributes<HTMLElement>, HTMLElement>;
+      details: Rax.DetailedHTMLProps<Rax.DetailsHTMLAttributes<HTMLElement>, HTMLElement>;
+      dfn: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      dialog: Rax.DetailedHTMLProps<Rax.DialogHTMLAttributes<HTMLDialogElement>, HTMLDialogElement>;
+      div: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLDivElement>, HTMLDivElement>;
+      dl: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLDListElement>, HTMLDListElement>;
+      dt: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      em: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      embed: Rax.DetailedHTMLProps<Rax.EmbedHTMLAttributes<HTMLEmbedElement>, HTMLEmbedElement>;
+      fieldset: Rax.DetailedHTMLProps<
+        Rax.FieldsetHTMLAttributes<HTMLFieldSetElement>,
+        HTMLFieldSetElement
+      >;
+      figcaption: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      figure: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      footer: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      form: Rax.DetailedHTMLProps<Rax.FormHTMLAttributes<HTMLFormElement>, HTMLFormElement>;
+      h1: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLHeadingElement>, HTMLHeadingElement>;
+      h2: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLHeadingElement>, HTMLHeadingElement>;
+      h3: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLHeadingElement>, HTMLHeadingElement>;
+      h4: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLHeadingElement>, HTMLHeadingElement>;
+      h5: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLHeadingElement>, HTMLHeadingElement>;
+      h6: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLHeadingElement>, HTMLHeadingElement>;
+      head: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLHeadElement>, HTMLHeadElement>;
+      header: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      hgroup: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      hr: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLHRElement>, HTMLHRElement>;
+      html: Rax.DetailedHTMLProps<Rax.HtmlHTMLAttributes<HTMLHtmlElement>, HTMLHtmlElement>;
+      i: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      iframe: Rax.DetailedHTMLProps<Rax.IframeHTMLAttributes<HTMLIFrameElement>, HTMLIFrameElement>;
+      img: Rax.DetailedHTMLProps<Rax.ImgHTMLAttributes<HTMLImageElement>, HTMLImageElement>;
+      input: Rax.DetailedHTMLProps<Rax.InputHTMLAttributes<HTMLInputElement>, HTMLInputElement>;
+      ins: Rax.DetailedHTMLProps<Rax.InsHTMLAttributes<HTMLModElement>, HTMLModElement>;
+      kbd: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      keygen: Rax.DetailedHTMLProps<Rax.KeygenHTMLAttributes<HTMLElement>, HTMLElement>;
+      label: Rax.DetailedHTMLProps<Rax.LabelHTMLAttributes<HTMLLabelElement>, HTMLLabelElement>;
+      legend: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLLegendElement>, HTMLLegendElement>;
+      li: Rax.DetailedHTMLProps<Rax.LiHTMLAttributes<HTMLLIElement>, HTMLLIElement>;
+      link: Rax.DetailedHTMLProps<Rax.LinkHTMLAttributes<HTMLLinkElement>, HTMLLinkElement>;
+      main: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      map: Rax.DetailedHTMLProps<Rax.MapHTMLAttributes<HTMLMapElement>, HTMLMapElement>;
+      mark: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      menu: Rax.DetailedHTMLProps<Rax.MenuHTMLAttributes<HTMLElement>, HTMLElement>;
+      menuitem: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      meta: Rax.DetailedHTMLProps<Rax.MetaHTMLAttributes<HTMLMetaElement>, HTMLMetaElement>;
+      meter: Rax.DetailedHTMLProps<Rax.MeterHTMLAttributes<HTMLElement>, HTMLElement>;
+      nav: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      noindex: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      noscript: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      object: Rax.DetailedHTMLProps<Rax.ObjectHTMLAttributes<HTMLObjectElement>, HTMLObjectElement>;
+      ol: Rax.DetailedHTMLProps<Rax.OlHTMLAttributes<HTMLOListElement>, HTMLOListElement>;
+      optgroup: Rax.DetailedHTMLProps<
+        Rax.OptgroupHTMLAttributes<HTMLOptGroupElement>,
+        HTMLOptGroupElement
+      >;
+      option: Rax.DetailedHTMLProps<Rax.OptionHTMLAttributes<HTMLOptionElement>, HTMLOptionElement>;
+      output: Rax.DetailedHTMLProps<Rax.OutputHTMLAttributes<HTMLElement>, HTMLElement>;
+      p: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLParagraphElement>, HTMLParagraphElement>;
+      param: Rax.DetailedHTMLProps<Rax.ParamHTMLAttributes<HTMLParamElement>, HTMLParamElement>;
+      picture: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      pre: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLPreElement>, HTMLPreElement>;
+      progress: Rax.DetailedHTMLProps<
+        Rax.ProgressHTMLAttributes<HTMLProgressElement>,
+        HTMLProgressElement
+      >;
+      q: Rax.DetailedHTMLProps<Rax.QuoteHTMLAttributes<HTMLQuoteElement>, HTMLQuoteElement>;
+      rp: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      rt: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      ruby: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      s: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      samp: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      script: Rax.DetailedHTMLProps<Rax.ScriptHTMLAttributes<HTMLScriptElement>, HTMLScriptElement>;
+      section: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      select: Rax.DetailedHTMLProps<Rax.SelectHTMLAttributes<HTMLSelectElement>, HTMLSelectElement>;
+      small: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      source: Rax.DetailedHTMLProps<Rax.SourceHTMLAttributes<HTMLSourceElement>, HTMLSourceElement>;
+      span: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLSpanElement>, HTMLSpanElement>;
+      strong: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      style: Rax.DetailedHTMLProps<Rax.StyleHTMLAttributes<HTMLStyleElement>, HTMLStyleElement>;
+      sub: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      summary: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      sup: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      table: Rax.DetailedHTMLProps<Rax.TableHTMLAttributes<HTMLTableElement>, HTMLTableElement>;
+      tbody: Rax.DetailedHTMLProps<
+        Rax.HTMLAttributes<HTMLTableSectionElement>,
+        HTMLTableSectionElement
+      >;
+      td: Rax.DetailedHTMLProps<
+        Rax.TdHTMLAttributes<HTMLTableDataCellElement>,
+        HTMLTableDataCellElement
+      >;
+      textarea: Rax.DetailedHTMLProps<
+        Rax.TextareaHTMLAttributes<HTMLTextAreaElement>,
+        HTMLTextAreaElement
+      >;
+      tfoot: Rax.DetailedHTMLProps<
+        Rax.HTMLAttributes<HTMLTableSectionElement>,
+        HTMLTableSectionElement
+      >;
+      th: Rax.DetailedHTMLProps<
+        Rax.ThHTMLAttributes<HTMLTableHeaderCellElement>,
+        HTMLTableHeaderCellElement
+      >;
+      thead: Rax.DetailedHTMLProps<
+        Rax.HTMLAttributes<HTMLTableSectionElement>,
+        HTMLTableSectionElement
+      >;
+      time: Rax.DetailedHTMLProps<Rax.TimeHTMLAttributes<HTMLElement>, HTMLElement>;
+      title: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLTitleElement>, HTMLTitleElement>;
+      tr: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLTableRowElement>, HTMLTableRowElement>;
+      track: Rax.DetailedHTMLProps<Rax.TrackHTMLAttributes<HTMLTrackElement>, HTMLTrackElement>;
+      u: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      ul: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLUListElement>, HTMLUListElement>;
+      var: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      video: Rax.DetailedHTMLProps<Rax.VideoHTMLAttributes<HTMLVideoElement>, HTMLVideoElement>;
+      wbr: Rax.DetailedHTMLProps<Rax.HTMLAttributes<HTMLElement>, HTMLElement>;
+      webview: Rax.DetailedHTMLProps<
+        Rax.WebViewHTMLAttributes<HTMLWebViewElement>,
+        HTMLWebViewElement
+      >;
+
+      // SVG
+      svg: Rax.SVGProps<SVGSVGElement>;
+
+      animate: Rax.SVGProps<SVGElement>; // TODO: It is SVGAnimateElement but is not in TypeScript's lib.dom.d.ts for now.
+      animateMotion: Rax.SVGProps<SVGElement>;
+      animateTransform: Rax.SVGProps<SVGElement>; // TODO: It is SVGAnimateTransformElement but is not in TypeScript's lib.dom.d.ts for now.
+      circle: Rax.SVGProps<SVGCircleElement>;
+      clipPath: Rax.SVGProps<SVGClipPathElement>;
+      defs: Rax.SVGProps<SVGDefsElement>;
+      desc: Rax.SVGProps<SVGDescElement>;
+      ellipse: Rax.SVGProps<SVGEllipseElement>;
+      feBlend: Rax.SVGProps<SVGFEBlendElement>;
+      feColorMatrix: Rax.SVGProps<SVGFEColorMatrixElement>;
+      feComponentTransfer: Rax.SVGProps<SVGFEComponentTransferElement>;
+      feComposite: Rax.SVGProps<SVGFECompositeElement>;
+      feConvolveMatrix: Rax.SVGProps<SVGFEConvolveMatrixElement>;
+      feDiffuseLighting: Rax.SVGProps<SVGFEDiffuseLightingElement>;
+      feDisplacementMap: Rax.SVGProps<SVGFEDisplacementMapElement>;
+      feDistantLight: Rax.SVGProps<SVGFEDistantLightElement>;
+      feDropShadow: Rax.SVGProps<SVGFEDropShadowElement>;
+      feFlood: Rax.SVGProps<SVGFEFloodElement>;
+      feFuncA: Rax.SVGProps<SVGFEFuncAElement>;
+      feFuncB: Rax.SVGProps<SVGFEFuncBElement>;
+      feFuncG: Rax.SVGProps<SVGFEFuncGElement>;
+      feFuncR: Rax.SVGProps<SVGFEFuncRElement>;
+      feGaussianBlur: Rax.SVGProps<SVGFEGaussianBlurElement>;
+      feImage: Rax.SVGProps<SVGFEImageElement>;
+      feMerge: Rax.SVGProps<SVGFEMergeElement>;
+      feMergeNode: Rax.SVGProps<SVGFEMergeNodeElement>;
+      feMorphology: Rax.SVGProps<SVGFEMorphologyElement>;
+      feOffset: Rax.SVGProps<SVGFEOffsetElement>;
+      fePointLight: Rax.SVGProps<SVGFEPointLightElement>;
+      feSpecularLighting: Rax.SVGProps<SVGFESpecularLightingElement>;
+      feSpotLight: Rax.SVGProps<SVGFESpotLightElement>;
+      feTile: Rax.SVGProps<SVGFETileElement>;
+      feTurbulence: Rax.SVGProps<SVGFETurbulenceElement>;
+      filter: Rax.SVGProps<SVGFilterElement>;
+      foreignObject: Rax.SVGProps<SVGForeignObjectElement>;
+      g: Rax.SVGProps<SVGGElement>;
+      image: Rax.SVGProps<SVGImageElement>;
+      line: Rax.SVGProps<SVGLineElement>;
+      linearGradient: Rax.SVGProps<SVGLinearGradientElement>;
+      marker: Rax.SVGProps<SVGMarkerElement>;
+      mask: Rax.SVGProps<SVGMaskElement>;
+      metadata: Rax.SVGProps<SVGMetadataElement>;
+      mpath: Rax.SVGProps<SVGElement>;
+      path: Rax.SVGProps<SVGPathElement>;
+      pattern: Rax.SVGProps<SVGPatternElement>;
+      polygon: Rax.SVGProps<SVGPolygonElement>;
+      polyline: Rax.SVGProps<SVGPolylineElement>;
+      radialGradient: Rax.SVGProps<SVGRadialGradientElement>;
+      rect: Rax.SVGProps<SVGRectElement>;
+      stop: Rax.SVGProps<SVGStopElement>;
+      switch: Rax.SVGProps<SVGSwitchElement>;
+      symbol: Rax.SVGProps<SVGSymbolElement>;
+      text: Rax.SVGProps<SVGTextElement>;
+      textPath: Rax.SVGProps<SVGTextPathElement>;
+      tspan: Rax.SVGProps<SVGTSpanElement>;
+      use: Rax.SVGProps<SVGUseElement>;
+      view: Rax.SVGProps<SVGViewElement>;
+
+      // weex
+      list: any;
+      cell: any;
+      loading: any;
+      refresh: any;
+      'recycle-list': any;
+      scroller: any;
+      slider: any;
+      indicator: any;
+      waterfall: any;
+      web: any;
+      richtext: any;
+
+      // MiniApp
+      slot: any;
+      swiper: any;
+      'swiper-item': any;
+      'scroll-view': any;
+      'cover-view': any;
+      'cover-image': any;
+      'movable-view': any;
+      'movable-area': any;
+      icon: any;
+      'rich-text': any;
+      'picker-view': any;
+      picker: any;
+      navigator: any;
+      'web-view': any;
+      'lifestyle': any;
+      'contact-button': any;
+      'aria-component': any;
+      'functional-page-navigator': any;
+      'live-player': any;
+      'ive-pusher': any;
+      ad: any;
+      'open-data': any;
+      'page-meta': any;
+      'navigation-bar': any;
+    }
+  }
+}
diff --git a/types/rax/package.json b/types/rax/package.json
new file mode 100644
index 0000000000..e6696d08e7
--- /dev/null
+++ b/types/rax/package.json
@@ -0,0 +1,6 @@
+{
+  "private": true,
+  "dependencies": {
+    "csstype": "^2.2.0"
+  }
+}
diff --git a/types/rax/tsconfig.json b/types/rax/tsconfig.json
new file mode 100644
index 0000000000..3ba1bb3b51
--- /dev/null
+++ b/types/rax/tsconfig.json
@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true,
+        "jsx": "preserve"
+    },
+    "files": [
+        "index.d.ts"
+    ]
+}
diff --git a/types/rax/tslint.json b/types/rax/tslint.json
new file mode 100644
index 0000000000..6d27bd5e40
--- /dev/null
+++ b/types/rax/tslint.json
@@ -0,0 +1,11 @@
+{
+    "extends": "dtslint/dt.json",
+    "rules": {
+        "dt-header": false,
+        "no-empty-interface": false,
+        "no-object-literal-type-assertion": false,
+        "no-unnecessary-generics": false,
+        "strict-export-declare-modifiers": false,
+        "void-return": false
+    }
+}