react.d.ts

// These types are adapted from
// https://github.com/DefinitelyTyped/DefinitelyTyped to work under Deno.
//
// Project: http://facebook.github.io/react/
// Definitions by: Asana <https://asana.com>
//                 AssureSign <http://www.assuresign.com>
//                 Microsoft <https://microsoft.com>
//                 John Reilly <https://github.com/johnnyreilly>
//                 Benoit Benezech <https://github.com/bbenezech>
//                 Patricio Zavolinsky <https://github.com/pzavolinsky>
//                 Digiguru <https://github.com/digiguru>
//                 Eric Anderson <https://github.com/ericanderson>
//                 Dovydas Navickas <https://github.com/DovydasNavickas>
//                 Josh Rutherford <https://github.com/theruther4d>
//                 Guilherme Hübner <https://github.com/guilhermehubner>
//                 Ferdy Budhidharma <https://github.com/ferdaber>
//                 Johann Rakotoharisoa <https://github.com/jrakotoharisoa>
//                 Olivier Pascal <https://github.com/pascaloliv>
//                 Martin Hochel <https://github.com/hotell>
//                 Frank Li <https://github.com/franklixuefei>
//                 Jessica Franco <https://github.com/Jessidhia>
//                 Saransh Kataria <https://github.com/saranshkataria>
//                 Kanitkorn Sujautra <https://github.com/lukyth>
//                 Sebastian Silbermann <https://github.com/eps1lon>
//                 Kyle Scully <https://github.com/zieka>
//                 Cong Zhang <https://github.com/dancerphil>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped

import "./react_global.d.ts";

import * as CSS from "../../csstype/v3.0.2/csstype.d.ts";
import * as PropTypes from "../../prop-types/v15.7.2/prop-types.d.ts";

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;
type Booleanish = boolean | "true" | "false";

/**
 * defined in scheduler/tracing
 */
interface SchedulerInteraction {
  id: number;
  name: string;
  timestamp: number;
}

// tslint:disable-next-line:export-just-namespace
export = React;
export as namespace React;

declare namespace React {
  //
  // React Elements
  // ----------------------------------------------------------------------

  type ElementType<P = any> =
    | {
      [K in keyof JSX.IntrinsicElements]: P extends JSX.IntrinsicElements[K] ? K
        : never;
    }[keyof JSX.IntrinsicElements]
    | ComponentType<P>;
  /**
   * @deprecated Please use `ElementType`
   */
  type ReactType<P = any> = ElementType<P>;
  type ComponentType<P = {}> = ComponentClass<P> | FunctionComponent<P>;

  type JSXElementConstructor<P> =
    | ((props: P) => ReactElement | 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;

  /**
   * @internal You shouldn't need to use this type since you never see these attributes
   * inside your component or have to validate them.
   */
  interface Attributes {
    key?: Key;
  }
  interface RefAttributes<T> extends Attributes {
    ref?: Ref<T>;
  }
  interface ClassAttributes<T> extends Attributes {
    ref?: LegacyRef<T>;
  }

  interface ReactElement<
    P = any,
    T extends string | JSXElementConstructor<any> =
      | string
      | JSXElementConstructor<any>,
  > {
    type: T;
    props: P;
    key: Key | null;
  }

  interface ReactComponentElement<
    T extends keyof JSX.IntrinsicElements | JSXElementConstructor<any>,
    P = Pick<
      ComponentProps<T>,
      Exclude<keyof ComponentProps<T>, "key" | "ref">
    >,
  > extends ReactElement<P, T> {}

  /**
   * @deprecated Please use `FunctionComponentElement`
   */
  type SFCElement<P> = FunctionComponentElement<P>;

  interface FunctionComponentElement<P>
    extends ReactElement<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 ReactElement<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 ReactElement<P, string> {
    ref: LegacyRef<T>;
  }

  // ReactHTML for ReactHTMLElement
  // tslint:disable-next-line:no-empty-interface
  interface ReactHTMLElement<T extends HTMLElement>
    extends DetailedReactHTMLElement<AllHTMLAttributes<T>, T> {}

  interface DetailedReactHTMLElement<
    P extends HTMLAttributes<T>,
    T extends HTMLElement,
  > extends DOMElement<P, T> {
    type: keyof ReactHTML;
  }

  // ReactSVG for ReactSVGElement
  interface ReactSVGElement
    extends DOMElement<SVGAttributes<SVGElement>, SVGElement> {
    type: keyof ReactSVG;
  }

  interface ReactPortal extends ReactElement {
    key: Key | null;
    children: ReactNode;
  }

  //
  // Factories
  // ----------------------------------------------------------------------

  type Factory<P> = (
    props?: Attributes & P,
    ...children: ReactNode[]
  ) => ReactElement<P>;

  /**
   * @deprecated Please use `FunctionComponentFactory`
   */
  type SFCFactory<P> = FunctionComponentFactory<P>;

  type FunctionComponentFactory<P> = (
    props?: Attributes & P,
    ...children: ReactNode[]
  ) => FunctionComponentElement<P>;

  type ComponentFactory<P, T extends Component<P, ComponentState>> = (
    props?: ClassAttributes<T> & P,
    ...children: ReactNode[]
  ) => 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: ReactNode[]
  ) => 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: ReactNode[]
    ): DetailedReactHTMLElement<P, T>;
  }

  interface SVGFactory
    extends DOMFactory<SVGAttributes<SVGElement>, SVGElement> {
    (
      props?: (ClassAttributes<SVGElement> & SVGAttributes<SVGElement>) | null,
      ...children: ReactNode[]
    ): ReactSVGElement;
  }

  //
  // React Nodes
  // http://facebook.github.io/react/docs/glossary.html
  // ----------------------------------------------------------------------

  type ReactText = string | number;
  type ReactChild = ReactElement | ReactText;

  interface ReactNodeArray extends Array<ReactNode> {}
  type ReactFragment = {} | ReactNodeArray;
  type ReactNode =
    | ReactChild
    | ReactFragment
    | ReactPortal
    | boolean
    | null
    | undefined;

  //
  // Top Level API
  // ----------------------------------------------------------------------

  // DOM Elements
  function createFactory<T extends HTMLElement>(
    type: keyof ReactHTML,
  ): HTMLFactory<T>;
  function createFactory(type: keyof ReactSVG): SVGFactory;
  function createFactory<P extends DOMAttributes<T>, T extends Element>(
    type: string,
  ): DOMFactory<P, T>;

  // Custom components
  function createFactory<P>(
    type: FunctionComponent<P>,
  ): FunctionComponentFactory<P>;
  function createFactory<P>(
    type: ClassType<
      P,
      ClassicComponent<P, ComponentState>,
      ClassicComponentClass<P>
    >,
  ): CFactory<P, ClassicComponent<P, ComponentState>>;
  function createFactory<
    P,
    T extends Component<P, ComponentState>,
    C extends ComponentClass<P>,
  >(type: ClassType<P, T, C>): CFactory<P, T>;
  function createFactory<P>(type: ComponentClass<P>): Factory<P>;

  // DOM Elements
  // TODO: generalize this to everything in `keyof ReactHTML`, not just "input"
  function createElement(
    type: "input",
    props?:
      | (
        & InputHTMLAttributes<HTMLInputElement>
        & ClassAttributes<HTMLInputElement>
      )
      | null,
    ...children: ReactNode[]
  ): DetailedReactHTMLElement<
    InputHTMLAttributes<HTMLInputElement>,
    HTMLInputElement
  >;
  function createElement<P extends HTMLAttributes<T>, T extends HTMLElement>(
    type: keyof ReactHTML,
    props?: (ClassAttributes<T> & P) | null,
    ...children: ReactNode[]
  ): DetailedReactHTMLElement<P, T>;
  function createElement<P extends SVGAttributes<T>, T extends SVGElement>(
    type: keyof ReactSVG,
    props?: (ClassAttributes<T> & P) | null,
    ...children: ReactNode[]
  ): ReactSVGElement;
  function createElement<P extends DOMAttributes<T>, T extends Element>(
    type: string,
    props?: (ClassAttributes<T> & P) | null,
    ...children: ReactNode[]
  ): DOMElement<P, T>;

  // Custom components

  function createElement<P extends {}>(
    type: FunctionComponent<P>,
    props?: (Attributes & P) | null,
    ...children: ReactNode[]
  ): FunctionComponentElement<P>;
  function createElement<P extends {}>(
    type: ClassType<
      P,
      ClassicComponent<P, ComponentState>,
      ClassicComponentClass<P>
    >,
    props?: (ClassAttributes<ClassicComponent<P, ComponentState>> & P) | null,
    ...children: ReactNode[]
  ): 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: ReactNode[]
  ): CElement<P, T>;
  function createElement<P extends {}>(
    type: FunctionComponent<P> | ComponentClass<P> | string,
    props?: (Attributes & P) | null,
    ...children: ReactNode[]
  ): ReactElement<P>;

  // DOM Elements
  // ReactHTMLElement
  function cloneElement<P extends HTMLAttributes<T>, T extends HTMLElement>(
    element: DetailedReactHTMLElement<P, T>,
    props?: P,
    ...children: ReactNode[]
  ): DetailedReactHTMLElement<P, T>;
  // ReactHTMLElement, less specific
  function cloneElement<P extends HTMLAttributes<T>, T extends HTMLElement>(
    element: ReactHTMLElement<T>,
    props?: P,
    ...children: ReactNode[]
  ): ReactHTMLElement<T>;
  // SVGElement
  function cloneElement<P extends SVGAttributes<T>, T extends SVGElement>(
    element: ReactSVGElement,
    props?: P,
    ...children: ReactNode[]
  ): ReactSVGElement;
  // DOM Element (has to be the last, because type checking stops at first overload that fits)
  function cloneElement<P extends DOMAttributes<T>, T extends Element>(
    element: DOMElement<P, T>,
    props?: DOMAttributes<T> & P,
    ...children: ReactNode[]
  ): DOMElement<P, T>;

  // Custom components
  function cloneElement<P>(
    element: FunctionComponentElement<P>,
    props?: Partial<P> & Attributes,
    ...children: ReactNode[]
  ): FunctionComponentElement<P>;
  function cloneElement<P, T extends Component<P, ComponentState>>(
    element: CElement<P, T>,
    props?: Partial<P> & ClassAttributes<T>,
    ...children: ReactNode[]
  ): CElement<P, T>;
  function cloneElement<P>(
    element: ReactElement<P>,
    props?: Partial<P> & Attributes,
    ...children: ReactNode[]
  ): ReactElement<P>;

  // Context via RenderProps
  interface ProviderProps<T> {
    value: T;
    children?: ReactNode;
  }

  interface ConsumerProps<T> {
    children: (value: T) => ReactNode;
    unstable_observedBits?: number;
  }

  // TODO: similar to how Fragment is actually a symbol, the values returned from createContext,
  // forwardRef and memo are actually objects that are treated specially by the renderer; see:
  // https://github.com/facebook/react/blob/v16.6.0/packages/react/src/ReactContext.js#L35-L48
  // https://github.com/facebook/react/blob/v16.6.0/packages/react/src/forwardRef.js#L42-L45
  // https://github.com/facebook/react/blob/v16.6.0/packages/react/src/memo.js#L27-L31
  // However, we have no way of telling the JSX parser that it's a JSX element type or its props other than
  // by pretending to be a normal component.
  //
  // We don't just use ComponentType or SFC types because you are not supposed to attach statics to this
  // object, but rather to the original function.
  interface ExoticComponent<P = {}> {
    /**
     * **NOTE**: Exotic components are not callable.
     */
    (props: P): ReactElement | 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;

  // NOTE: only the Context object itself can get a displayName
  // https://github.com/facebook/react-devtools/blob/e0b854e4c/backend/attachRendererFiber.js#L310-L325
  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>(
    // If you thought this should be optional, see
    // https://github.com/DefinitelyTyped/DefinitelyTyped/pull/24509#issuecomment-382213106
    defaultValue: T,
    calculateChangedBits?: (prev: T, next: T) => number,
  ): Context<T>;

  function isValidElement<P>(
    object: {} | null | undefined,
  ): object is ReactElement<P>;

  const Children: ReactChildren;
  const Fragment: ExoticComponent<{ children?: ReactNode }>;
  const StrictMode: ExoticComponent<{ children?: ReactNode }>;

  interface SuspenseProps {
    children?: ReactNode;

    /** A fallback react tree to show when a Suspense child (like React.lazy) suspends */
    fallback: NonNullable<ReactNode> | null;
    /**
     * Tells React whether to “skip” revealing this boundary during the initial load.
     * This API will likely be removed in a future release.
     */
    // NOTE: this is unflagged and is respected even in stable builds
    unstable_avoidThisFallback?: boolean;
  }
  /**
   * This feature is not yet available for server-side rendering.
   * Suspense support will be added in a later release.
   */
  const Suspense: ExoticComponent<SuspenseProps>;
  const version: string;

  /**
   * {@link https://github.com/bvaughn/rfcs/blob/profiler/text/0000-profiler.md#detailed-design | API}
   */
  type ProfilerOnRenderCallback = (
    id: string,
    phase: "mount" | "update",
    actualDuration: number,
    baseDuration: number,
    startTime: number,
    commitTime: number,
    interactions: Set<SchedulerInteraction>,
  ) => void;
  interface ProfilerProps {
    children?: ReactNode;
    id: string;
    onRender: ProfilerOnRenderCallback;
  }

  const Profiler: ExoticComponent<ProfilerProps>;

  //
  // Component API
  // ----------------------------------------------------------------------

  type ReactInstance = 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> {
    // tslint won't let me format the sample code in a way that vscode likes it :(
    /**
     * If set, `this.context` will be set at runtime to the current value of the given Context.
     *
     * Usage:
     *
     * ```ts
     * type MyContext = number
     * const Ctx = React.createContext<MyContext>(0)
     *
     * class Foo extends React.Component {
     *   static contextType = Ctx
     *   context!: React.ContextType<typeof Ctx>
     *   render () {
     *     return <>My context's value: {this.context}</>;
     *   }
     * }
     * ```
     *
     * @see https://reactjs.org/docs/context.html#classcontexttype
     */
    static contextType?: Context<any>;

    /**
     * If using the new style context, re-declare this in your class to be the
     * `React.ContextType` of your `static contextType`.
     * Should be used with type annotation or static contextType.
     *
     * ```ts
     * static contextType = MyContext
     * // For TS pre-3.7:
     * context!: React.ContextType<typeof MyContext>
     * // For TS 3.7 and above:
     * declare context: React.ContextType<typeof MyContext>
     * ```
     *
     * @see https://reactjs.org/docs/context.html
     */
    // TODO (TypeScript 3.0): unknown
    context: any;

    constructor(props: Readonly<P>);
    /**
     * @deprecated
     * @see https://reactjs.org/docs/legacy-context.html
     */
    constructor(props: P, context?: any);

    // We MUST keep setState() as a unified signature because it allows proper checking of the method return type.
    // See: https://github.com/DefinitelyTyped/DefinitelyTyped/issues/18365#issuecomment-351013257
    // Also, the ` | S` allows intellisense to not be dumbisense
    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(): ReactNode;

    // React.Props<T> is now deprecated, which means that the `children`
    // property is not available on `P` by default, even though you can
    // always pass children as variadic arguments to `createElement`.
    // In the future, if we can define its call signature conditionally
    // on the existence of `children` in `P`, then we should remove this.
    readonly props: Readonly<P> & Readonly<{ children?: ReactNode }>;
    state: Readonly<S>;
    /**
     * @deprecated
     * https://reactjs.org/docs/refs-and-the-dom.html#legacy-api-string-refs
     */
    refs: {
      [key: string]: ReactInstance;
    };
  }

  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;
  }

  //
  // Class Interfaces
  // ----------------------------------------------------------------------

  /**
   * @deprecated as of recent React versions, function components can no
   * longer be considered 'stateless'. Please use `FunctionComponent` instead.
   *
   * @see [React Hooks](https://reactjs.org/docs/hooks-intro.html)
   */
  type SFC<P = {}> = FunctionComponent<P>;

  /**
   * @deprecated as of recent React versions, function components can no
   * longer be considered 'stateless'. Please use `FunctionComponent` instead.
   *
   * @see [React Hooks](https://reactjs.org/docs/hooks-intro.html)
   */
  type StatelessComponent<P = {}> = FunctionComponent<P>;

  type FC<P = {}> = FunctionComponent<P>;

  interface FunctionComponent<P = {}> {
    (props: PropsWithChildren<P>, context?: any): ReactElement | null;
    propTypes?: WeakValidationMap<P>;
    contextTypes?: ValidationMap<any>;
    defaultProps?: Partial<P>;
    displayName?: string;
  }

  interface RefForwardingComponent<T, P = {}> {
    (props: PropsWithChildren<P>, ref: Ref<T>): ReactElement | 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);

  //
  // Component Specs and Lifecycle
  // ----------------------------------------------------------------------

  // This should actually be something like `Lifecycle<P, S> | DeprecatedLifecycle<P, S>`,
  // as React will _not_ call the deprecated lifecycle methods if any of the new lifecycle
  // methods are present.
  interface ComponentLifecycle<P, S, SS = any>
    extends NewLifecycle<P, S, SS>, DeprecatedLifecycle<P, S> {
    /**
     * 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;
  }

  // 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;

  // This should be "infer SS" but can't use it yet
  interface NewLifecycle<P, S, SS> {
    /**
     * Runs before React 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;
  }

  interface DeprecatedLifecycle<P, S> {
    /**
     * Called immediately before mounting occurs, and before `Component#render`.
     * Avoid introducing any side-effects or subscriptions in this method.
     *
     * Note: the presence of getSnapshotBeforeUpdate or getDerivedStateFromProps
     * prevents this from being invoked.
     *
     * @deprecated 16.3, use componentDidMount or the constructor instead; will stop working in React 17
     * @see https://reactjs.org/blog/2018/03/27/update-on-async-rendering.html#initializing-state
     * @see https://reactjs.org/blog/2018/03/27/update-on-async-rendering.html#gradual-migration-path
     */
    componentWillMount?(): void;
    /**
     * Called immediately before mounting occurs, and before `Component#render`.
     * Avoid introducing any side-effects or subscriptions in this method.
     *
     * This method will not stop working in React 17.
     *
     * Note: the presence of getSnapshotBeforeUpdate or getDerivedStateFromProps
     * prevents this from being invoked.
     *
     * @deprecated 16.3, use componentDidMount or the constructor instead
     * @see https://reactjs.org/blog/2018/03/27/update-on-async-rendering.html#initializing-state
     * @see https://reactjs.org/blog/2018/03/27/update-on-async-rendering.html#gradual-migration-path
     */
    UNSAFE_componentWillMount?(): void;
    /**
     * Called when the component may be receiving new props.
     * React may call this even if props have not changed, so be sure to compare new and existing
     * props if you only want to handle changes.
     *
     * Calling `Component#setState` generally does not trigger this method.
     *
     * Note: the presence of getSnapshotBeforeUpdate or getDerivedStateFromProps
     * prevents this from being invoked.
     *
     * @deprecated 16.3, use static getDerivedStateFromProps instead; will stop working in React 17
     * @see https://reactjs.org/blog/2018/03/27/update-on-async-rendering.html#updating-state-based-on-props
     * @see https://reactjs.org/blog/2018/03/27/update-on-async-rendering.html#gradual-migration-path
     */
    componentWillReceiveProps?(nextProps: Readonly<P>, nextContext: any): void;
    /**
     * Called when the component may be receiving new props.
     * React may call this even if props have not changed, so be sure to compare new and existing
     * props if you only want to handle changes.
     *
     * Calling `Component#setState` generally does not trigger this method.
     *
     * This method will not stop working in React 17.
     *
     * Note: the presence of getSnapshotBeforeUpdate or getDerivedStateFromProps
     * prevents this from being invoked.
     *
     * @deprecated 16.3, use static getDerivedStateFromProps instead
     * @see https://reactjs.org/blog/2018/03/27/update-on-async-rendering.html#updating-state-based-on-props
     * @see https://reactjs.org/blog/2018/03/27/update-on-async-rendering.html#gradual-migration-path
     */
    UNSAFE_componentWillReceiveProps?(
      nextProps: Readonly<P>,
      nextContext: any,
    ): void;
    /**
     * Called immediately before rendering when new props or state is received. Not called for the initial render.
     *
     * Note: You cannot call `Component#setState` here.
     *
     * Note: the presence of getSnapshotBeforeUpdate or getDerivedStateFromProps
     * prevents this from being invoked.
     *
     * @deprecated 16.3, use getSnapshotBeforeUpdate instead; will stop working in React 17
     * @see https://reactjs.org/blog/2018/03/27/update-on-async-rendering.html#reading-dom-properties-before-an-update
     * @see https://reactjs.org/blog/2018/03/27/update-on-async-rendering.html#gradual-migration-path
     */
    componentWillUpdate?(
      nextProps: Readonly<P>,
      nextState: Readonly<S>,
      nextContext: any,
    ): void;
    /**
     * Called immediately before rendering when new props or state is received. Not called for the initial render.
     *
     * Note: You cannot call `Component#setState` here.
     *
     * This method will not stop working in React 17.
     *
     * Note: the presence of getSnapshotBeforeUpdate or getDerivedStateFromProps
     * prevents this from being invoked.
     *
     * @deprecated 16.3, use getSnapshotBeforeUpdate instead
     * @see https://reactjs.org/blog/2018/03/27/update-on-async-rendering.html#reading-dom-properties-before-an-update
     * @see https://reactjs.org/blog/2018/03/27/update-on-async-rendering.html#gradual-migration-path
     */
    UNSAFE_componentWillUpdate?(
      nextProps: Readonly<P>,
      nextState: Readonly<S>,
      nextContext: any,
    ): void;
  }

  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(): ReactNode;

    [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>;
    propTypes?: WeakValidationMap<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?: ReactNode };

  /**
   * 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: SFC<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>;

  type LazyExoticComponent<T extends ComponentType<any>> =
    & ExoticComponent<
      ComponentPropsWithRef<T>
    >
    & {
      readonly _result: T;
    };

  function lazy<T extends ComponentType<any>>(
    factory: () => Promise<{ default: T }>,
  ): LazyExoticComponent<T>;

  //
  // React Hooks
  // ----------------------------------------------------------------------

  // based on the code in https://github.com/facebook/react/pull/13968

  // 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;
  // Since action _can_ be undefined, dispatch may be called without any parameters.
  type DispatchWithoutAction = () => void;
  // Unlike redux, the actions _can_ be anything
  type Reducer<S, A> = (prevState: S, action: A) => S;
  // If useReducer accepts a reducer without action, dispatch may be called without any parameters.
  type ReducerWithoutAction<S> = (prevState: S) => 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 ===
  type ReducerStateWithoutAction<
    R extends ReducerWithoutAction<any>,
  > = R extends ReducerWithoutAction<infer S> ? S : never;
  // 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 `React.createContext`) and returns the current
   * context value, as given by the nearest context provider for the given context.
   *
   * @version 16.8.0
   * @see https://reactjs.org/docs/hooks-reference.html#usecontext
   */
  function useContext<T>(
    context: Context<T>, /*, (not public API) observedBits?: number|boolean */
  ): T;
  /**
   * Returns a stateful value, and a function to update it.
   *
   * @version 16.8.0
   * @see https://reactjs.org/docs/hooks-reference.html#usestate
   */
  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.
   *
   * @version 16.8.0
   * @see https://reactjs.org/docs/hooks-reference.html#usestate
   */
  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.
   *
   * @version 16.8.0
   * @see https://reactjs.org/docs/hooks-reference.html#usereducer
   */
  // overload where dispatch could accept 0 arguments.
  function useReducer<R extends ReducerWithoutAction<any>, I>(
    reducer: R,
    initializerArg: I,
    initializer: (arg: I) => ReducerStateWithoutAction<R>,
  ): [ReducerStateWithoutAction<R>, DispatchWithoutAction];
  /**
   * 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.
   *
   * @version 16.8.0
   * @see https://reactjs.org/docs/hooks-reference.html#usereducer
   */
  // overload where dispatch could accept 0 arguments.
  function useReducer<R extends ReducerWithoutAction<any>>(
    reducer: R,
    initializerArg: ReducerStateWithoutAction<R>,
    initializer?: undefined,
  ): [ReducerStateWithoutAction<R>, DispatchWithoutAction];
  /**
   * 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.
   *
   * @version 16.8.0
   * @see https://reactjs.org/docs/hooks-reference.html#usereducer
   */
  // 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.
   *
   * @version 16.8.0
   * @see https://reactjs.org/docs/hooks-reference.html#usereducer
   */
  // 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.
   *
   * @version 16.8.0
   * @see https://reactjs.org/docs/hooks-reference.html#usereducer
   */

  // 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.
   *
   * @version 16.8.0
   * @see https://reactjs.org/docs/hooks-reference.html#useref
   */
  // 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.
   *
   * @version 16.8.0
   * @see https://reactjs.org/docs/hooks-reference.html#useref
   */
  // 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.
   *
   * @version 16.8.0
   * @see https://reactjs.org/docs/hooks-reference.html#useref
   */
  // 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`.
   *
   * @version 16.8.0
   * @see https://reactjs.org/docs/hooks-reference.html#uselayouteffect
   */
  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.
   *
   * @version 16.8.0
   * @see https://reactjs.org/docs/hooks-reference.html#useeffect
   */
  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 `React.forwardRef`.
   *
   * @version 16.8.0
   * @see https://reactjs.org/docs/hooks-reference.html#useimperativehandle
   */
  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.
   *
   * @version 16.8.0
   * @see https://reactjs.org/docs/hooks-reference.html#usecallback
   */
  // 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 ...
   * }
   * ```
   *
   * @version 16.8.0
   * @see https://reactjs.org/docs/hooks-reference.html#usememo
   */
  // allow undefined, but don't make it optional as that is very likely a mistake
  function useMemo<T>(factory: () => T, deps: DependencyList | undefined): T;
  /**
   * `useDebugValue` can be used to display a label for custom hooks in React DevTools.
   *
   * NOTE: We don’t recommend adding debug values to every custom hook.
   * It’s most valuable for custom hooks that are part of shared libraries.
   *
   * @version 16.8.0
   * @see https://reactjs.org/docs/hooks-reference.html#usedebugvalue
   */
  // the name of the custom hook is itself derived from the function name at runtime:
  // it's just the function name without the "use" prefix.
  function useDebugValue<T>(value: T, format?: (value: T) => any): void;

  //
  // 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 | null;
    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 | null;
    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;
  }

  //
  // Event Handler Types
  // ----------------------------------------------------------------------

  type EventHandler<E extends SyntheticEvent<any>> = {
    bivarianceHack(event: E): void;
  }["bivarianceHack"];

  type ReactEventHandler<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>>;

  //
  // Props / DOM Attributes
  // ----------------------------------------------------------------------

  /**
   * @deprecated. This was used to allow clients to pass `ref` and `key`
   * to `createElement`, which is no longer necessary due to intersection
   * types. If you need to declare a props object before passing it to
   * `createElement` or a factory, use `ClassAttributes<T>`:
   *
   * ```ts
   * var b: Button | null;
   * var props: ButtonProps & ClassAttributes<Button> = {
   *     ref: b => button = b, // ok!
   *     label: "I'm a Button"
   * };
   * ```
   */
  interface Props<T> {
    children?: ReactNode;
    key?: Key;
    ref?: LegacyRef<T>;
  }

  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?: ReactNode;
    dangerouslySetInnerHTML?: {
      __html: string;
    };

    // 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?: ReactEventHandler<T>;
    onLoadCapture?: ReactEventHandler<T>;
    onError?: ReactEventHandler<T>; // also a Media Event
    onErrorCapture?: ReactEventHandler<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?: ReactEventHandler<T>;
    onAbortCapture?: ReactEventHandler<T>;
    onCanPlay?: ReactEventHandler<T>;
    onCanPlayCapture?: ReactEventHandler<T>;
    onCanPlayThrough?: ReactEventHandler<T>;
    onCanPlayThroughCapture?: ReactEventHandler<T>;
    onDurationChange?: ReactEventHandler<T>;
    onDurationChangeCapture?: ReactEventHandler<T>;
    onEmptied?: ReactEventHandler<T>;
    onEmptiedCapture?: ReactEventHandler<T>;
    onEncrypted?: ReactEventHandler<T>;
    onEncryptedCapture?: ReactEventHandler<T>;
    onEnded?: ReactEventHandler<T>;
    onEndedCapture?: ReactEventHandler<T>;
    onLoadedData?: ReactEventHandler<T>;
    onLoadedDataCapture?: ReactEventHandler<T>;
    onLoadedMetadata?: ReactEventHandler<T>;
    onLoadedMetadataCapture?: ReactEventHandler<T>;
    onLoadStart?: ReactEventHandler<T>;
    onLoadStartCapture?: ReactEventHandler<T>;
    onPause?: ReactEventHandler<T>;
    onPauseCapture?: ReactEventHandler<T>;
    onPlay?: ReactEventHandler<T>;
    onPlayCapture?: ReactEventHandler<T>;
    onPlaying?: ReactEventHandler<T>;
    onPlayingCapture?: ReactEventHandler<T>;
    onProgress?: ReactEventHandler<T>;
    onProgressCapture?: ReactEventHandler<T>;
    onRateChange?: ReactEventHandler<T>;
    onRateChangeCapture?: ReactEventHandler<T>;
    onSeeked?: ReactEventHandler<T>;
    onSeekedCapture?: ReactEventHandler<T>;
    onSeeking?: ReactEventHandler<T>;
    onSeekingCapture?: ReactEventHandler<T>;
    onStalled?: ReactEventHandler<T>;
    onStalledCapture?: ReactEventHandler<T>;
    onSuspend?: ReactEventHandler<T>;
    onSuspendCapture?: ReactEventHandler<T>;
    onTimeUpdate?: ReactEventHandler<T>;
    onTimeUpdateCapture?: ReactEventHandler<T>;
    onVolumeChange?: ReactEventHandler<T>;
    onVolumeChangeCapture?: ReactEventHandler<T>;
    onWaiting?: ReactEventHandler<T>;
    onWaitingCapture?: ReactEventHandler<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?: ReactEventHandler<T>;
    onSelectCapture?: ReactEventHandler<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>;
  }

  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
     */
  }

  // 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> {
    // React-specific Attributes
    defaultChecked?: boolean;
    defaultValue?: string | number | string[];
    suppressContentEditableWarning?: boolean;
    suppressHydrationWarning?: boolean;

    // Standard HTML Attributes
    accessKey?: string;
    className?: string;
    contentEditable?: Booleanish | "inherit";
    contextMenu?: string;
    dir?: string;
    draggable?: Booleanish;
    hidden?: boolean;
    id?: string;
    lang?: string;
    placeholder?: string;
    slot?: string;
    spellCheck?: Booleanish;
    style?: CSSProperties;
    tabIndex?: number;
    title?: string;
    translate?: "yes" | "no";

    // Unknown
    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";

    // Living Standard
    /**
     * Hints at the type of data that might be entered by the user while editing the element or its contents
     * @see https://html.spec.whatwg.org/multipage/interaction.html#input-modalities:-the-inputmode-attribute
     */
    inputMode?:
      | "none"
      | "text"
      | "tel"
      | "url"
      | "email"
      | "numeric"
      | "decimal"
      | "search";
    /**
     * Specify that a standard HTML element should behave like a defined custom built-in element
     * @see https://html.spec.whatwg.org/multipage/custom-elements.html#attr-is
     */
    is?: string;
  }

  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;
    ping?: 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 DataHTMLAttributes<T> extends HTMLAttributes<T> {
    value?: string | string[] | 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;
    abbr?: string;
    valign?: "top" | "middle" | "bottom" | "baseline";
  }

  interface ThHTMLAttributes<T> extends HTMLAttributes<T> {
    align?: "left" | "center" | "right" | "justify" | "char";
    colSpan?: number;
    headers?: string;
    rowSpan?: number;
    scope?: string;
    abbr?: 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;
    disablePictureInPicture?: boolean;
  }

  // this list is "complete" in that it contains every SVG attribute
  // that React supports, but the types can be improved.
  // Full list here: https://facebook.github.io/react/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;
    crossOrigin?: "anonymous" | "use-credentials" | "";

    // 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?: Booleanish;
    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?: Booleanish;
    fill?: string;
    fillOpacity?: number | string;
    fillRule?: "nonzero" | "evenodd" | "inherit";
    filter?: string;
    filterRes?: number | string;
    filterUnits?: number | string;
    floodColor?: number | string;
    floodOpacity?: number | string;
    focusable?: Booleanish | "auto";
    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?: Booleanish;
    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;
  }

  //
  // React.DOM
  // ----------------------------------------------------------------------

  interface ReactHTML {
    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<
      DataHTMLAttributes<HTMLDataElement>,
      HTMLDataElement
    >;
    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
    >;
    template: DetailedHTMLFactory<
      HTMLAttributes<HTMLTemplateElement>,
      HTMLTemplateElement
    >;
    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 ReactSVG {
    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 ReactDOM extends ReactHTML, ReactSVG {}

  //
  // React.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 ReactPropTypes {
    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;
  }

  //
  // React.Children
  // ----------------------------------------------------------------------

  interface ReactChildren {
    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(
      children: ReactNode | ReactNode[],
    ): Array<Exclude<ReactNode, boolean | null | undefined>>;
  }

  //
  // 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 ReactManagedAttributes<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 React.ReactElement<any, any> {}
    interface ElementClass extends React.Component<any> {
      render(): React.ReactNode;
    }
    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 React.lazy() around a single React.memo() / vice-versa
    type LibraryManagedAttributes<C, P> = C extends 
      | React.MemoExoticComponent<infer T>
      | React.LazyExoticComponent<infer T> ? T extends 
      | React.MemoExoticComponent<infer U>
      | React.LazyExoticComponent<infer U> ? ReactManagedAttributes<U, P>
    : ReactManagedAttributes<T, P>
      : ReactManagedAttributes<C, P>;

    // tslint:disable-next-line:no-empty-interface
    interface IntrinsicAttributes extends React.Attributes {}
    // tslint:disable-next-line:no-empty-interface
    interface IntrinsicClassAttributes<T> extends React.ClassAttributes<T> {}

    interface IntrinsicElements {
      // HTML
      a: React.DetailedHTMLProps<
        React.AnchorHTMLAttributes<HTMLAnchorElement>,
        HTMLAnchorElement
      >;
      abbr: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      address: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      area: React.DetailedHTMLProps<
        React.AreaHTMLAttributes<HTMLAreaElement>,
        HTMLAreaElement
      >;
      article: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      aside: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      audio: React.DetailedHTMLProps<
        React.AudioHTMLAttributes<HTMLAudioElement>,
        HTMLAudioElement
      >;
      b: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      base: React.DetailedHTMLProps<
        React.BaseHTMLAttributes<HTMLBaseElement>,
        HTMLBaseElement
      >;
      bdi: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      bdo: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      big: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      blockquote: React.DetailedHTMLProps<
        React.BlockquoteHTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      body: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLBodyElement>,
        HTMLBodyElement
      >;
      br: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLBRElement>,
        HTMLBRElement
      >;
      button: React.DetailedHTMLProps<
        React.ButtonHTMLAttributes<HTMLButtonElement>,
        HTMLButtonElement
      >;
      canvas: React.DetailedHTMLProps<
        React.CanvasHTMLAttributes<HTMLCanvasElement>,
        HTMLCanvasElement
      >;
      caption: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      cite: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      code: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      col: React.DetailedHTMLProps<
        React.ColHTMLAttributes<HTMLTableColElement>,
        HTMLTableColElement
      >;
      colgroup: React.DetailedHTMLProps<
        React.ColgroupHTMLAttributes<HTMLTableColElement>,
        HTMLTableColElement
      >;
      data: React.DetailedHTMLProps<
        React.DataHTMLAttributes<HTMLDataElement>,
        HTMLDataElement
      >;
      datalist: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLDataListElement>,
        HTMLDataListElement
      >;
      dd: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      del: React.DetailedHTMLProps<
        React.DelHTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      details: React.DetailedHTMLProps<
        React.DetailsHTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      dfn: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      dialog: React.DetailedHTMLProps<
        React.DialogHTMLAttributes<HTMLDialogElement>,
        HTMLDialogElement
      >;
      div: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLDivElement>,
        HTMLDivElement
      >;
      dl: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLDListElement>,
        HTMLDListElement
      >;
      dt: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      em: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      embed: React.DetailedHTMLProps<
        React.EmbedHTMLAttributes<HTMLEmbedElement>,
        HTMLEmbedElement
      >;
      fieldset: React.DetailedHTMLProps<
        React.FieldsetHTMLAttributes<HTMLFieldSetElement>,
        HTMLFieldSetElement
      >;
      figcaption: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      figure: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      footer: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      form: React.DetailedHTMLProps<
        React.FormHTMLAttributes<HTMLFormElement>,
        HTMLFormElement
      >;
      h1: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLHeadingElement>,
        HTMLHeadingElement
      >;
      h2: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLHeadingElement>,
        HTMLHeadingElement
      >;
      h3: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLHeadingElement>,
        HTMLHeadingElement
      >;
      h4: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLHeadingElement>,
        HTMLHeadingElement
      >;
      h5: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLHeadingElement>,
        HTMLHeadingElement
      >;
      h6: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLHeadingElement>,
        HTMLHeadingElement
      >;
      head: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLHeadElement>,
        HTMLHeadElement
      >;
      header: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      hgroup: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      hr: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLHRElement>,
        HTMLHRElement
      >;
      html: React.DetailedHTMLProps<
        React.HtmlHTMLAttributes<HTMLHtmlElement>,
        HTMLHtmlElement
      >;
      i: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      iframe: React.DetailedHTMLProps<
        React.IframeHTMLAttributes<HTMLIFrameElement>,
        HTMLIFrameElement
      >;
      img: React.DetailedHTMLProps<
        React.ImgHTMLAttributes<HTMLImageElement>,
        HTMLImageElement
      >;
      input: React.DetailedHTMLProps<
        React.InputHTMLAttributes<HTMLInputElement>,
        HTMLInputElement
      >;
      ins: React.DetailedHTMLProps<
        React.InsHTMLAttributes<HTMLModElement>,
        HTMLModElement
      >;
      kbd: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      keygen: React.DetailedHTMLProps<
        React.KeygenHTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      label: React.DetailedHTMLProps<
        React.LabelHTMLAttributes<HTMLLabelElement>,
        HTMLLabelElement
      >;
      legend: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLLegendElement>,
        HTMLLegendElement
      >;
      li: React.DetailedHTMLProps<
        React.LiHTMLAttributes<HTMLLIElement>,
        HTMLLIElement
      >;
      link: React.DetailedHTMLProps<
        React.LinkHTMLAttributes<HTMLLinkElement>,
        HTMLLinkElement
      >;
      main: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      map: React.DetailedHTMLProps<
        React.MapHTMLAttributes<HTMLMapElement>,
        HTMLMapElement
      >;
      mark: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      menu: React.DetailedHTMLProps<
        React.MenuHTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      menuitem: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      meta: React.DetailedHTMLProps<
        React.MetaHTMLAttributes<HTMLMetaElement>,
        HTMLMetaElement
      >;
      meter: React.DetailedHTMLProps<
        React.MeterHTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      nav: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      noindex: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      noscript: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      object: React.DetailedHTMLProps<
        React.ObjectHTMLAttributes<HTMLObjectElement>,
        HTMLObjectElement
      >;
      ol: React.DetailedHTMLProps<
        React.OlHTMLAttributes<HTMLOListElement>,
        HTMLOListElement
      >;
      optgroup: React.DetailedHTMLProps<
        React.OptgroupHTMLAttributes<HTMLOptGroupElement>,
        HTMLOptGroupElement
      >;
      option: React.DetailedHTMLProps<
        React.OptionHTMLAttributes<HTMLOptionElement>,
        HTMLOptionElement
      >;
      output: React.DetailedHTMLProps<
        React.OutputHTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      p: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLParagraphElement>,
        HTMLParagraphElement
      >;
      param: React.DetailedHTMLProps<
        React.ParamHTMLAttributes<HTMLParamElement>,
        HTMLParamElement
      >;
      picture: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      pre: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLPreElement>,
        HTMLPreElement
      >;
      progress: React.DetailedHTMLProps<
        React.ProgressHTMLAttributes<HTMLProgressElement>,
        HTMLProgressElement
      >;
      q: React.DetailedHTMLProps<
        React.QuoteHTMLAttributes<HTMLQuoteElement>,
        HTMLQuoteElement
      >;
      rp: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      rt: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      ruby: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      s: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      samp: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      script: React.DetailedHTMLProps<
        React.ScriptHTMLAttributes<HTMLScriptElement>,
        HTMLScriptElement
      >;
      section: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      select: React.DetailedHTMLProps<
        React.SelectHTMLAttributes<HTMLSelectElement>,
        HTMLSelectElement
      >;
      small: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      source: React.DetailedHTMLProps<
        React.SourceHTMLAttributes<HTMLSourceElement>,
        HTMLSourceElement
      >;
      span: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLSpanElement>,
        HTMLSpanElement
      >;
      strong: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      style: React.DetailedHTMLProps<
        React.StyleHTMLAttributes<HTMLStyleElement>,
        HTMLStyleElement
      >;
      sub: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      summary: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      sup: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      table: React.DetailedHTMLProps<
        React.TableHTMLAttributes<HTMLTableElement>,
        HTMLTableElement
      >;
      template: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLTemplateElement>,
        HTMLTemplateElement
      >;
      tbody: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLTableSectionElement>,
        HTMLTableSectionElement
      >;
      td: React.DetailedHTMLProps<
        React.TdHTMLAttributes<HTMLTableDataCellElement>,
        HTMLTableDataCellElement
      >;
      textarea: React.DetailedHTMLProps<
        React.TextareaHTMLAttributes<HTMLTextAreaElement>,
        HTMLTextAreaElement
      >;
      tfoot: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLTableSectionElement>,
        HTMLTableSectionElement
      >;
      th: React.DetailedHTMLProps<
        React.ThHTMLAttributes<HTMLTableHeaderCellElement>,
        HTMLTableHeaderCellElement
      >;
      thead: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLTableSectionElement>,
        HTMLTableSectionElement
      >;
      time: React.DetailedHTMLProps<
        React.TimeHTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      title: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLTitleElement>,
        HTMLTitleElement
      >;
      tr: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLTableRowElement>,
        HTMLTableRowElement
      >;
      track: React.DetailedHTMLProps<
        React.TrackHTMLAttributes<HTMLTrackElement>,
        HTMLTrackElement
      >;
      u: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      ul: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLUListElement>,
        HTMLUListElement
      >;
      var: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      video: React.DetailedHTMLProps<
        React.VideoHTMLAttributes<HTMLVideoElement>,
        HTMLVideoElement
      >;
      wbr: React.DetailedHTMLProps<
        React.HTMLAttributes<HTMLElement>,
        HTMLElement
      >;
      webview: React.DetailedHTMLProps<
        React.WebViewHTMLAttributes<HTMLWebViewElement>,
        HTMLWebViewElement
      >;

      // SVG
      svg: React.SVGProps<SVGSVGElement>;

      animate: React.SVGProps<SVGElement>; // TODO: It is SVGAnimateElement but is not in TypeScript's lib.dom.d.ts for now.
      animateMotion: React.SVGProps<SVGElement>;
      animateTransform: React.SVGProps<SVGElement>; // TODO: It is SVGAnimateTransformElement but is not in TypeScript's lib.dom.d.ts for now.
      circle: React.SVGProps<SVGCircleElement>;
      clipPath: React.SVGProps<SVGClipPathElement>;
      defs: React.SVGProps<SVGDefsElement>;
      desc: React.SVGProps<SVGDescElement>;
      ellipse: React.SVGProps<SVGEllipseElement>;
      feBlend: React.SVGProps<SVGFEBlendElement>;
      feColorMatrix: React.SVGProps<SVGFEColorMatrixElement>;
      feComponentTransfer: React.SVGProps<SVGFEComponentTransferElement>;
      feComposite: React.SVGProps<SVGFECompositeElement>;
      feConvolveMatrix: React.SVGProps<SVGFEConvolveMatrixElement>;
      feDiffuseLighting: React.SVGProps<SVGFEDiffuseLightingElement>;
      feDisplacementMap: React.SVGProps<SVGFEDisplacementMapElement>;
      feDistantLight: React.SVGProps<SVGFEDistantLightElement>;
      feDropShadow: React.SVGProps<SVGFEDropShadowElement>;
      feFlood: React.SVGProps<SVGFEFloodElement>;
      feFuncA: React.SVGProps<SVGFEFuncAElement>;
      feFuncB: React.SVGProps<SVGFEFuncBElement>;
      feFuncG: React.SVGProps<SVGFEFuncGElement>;
      feFuncR: React.SVGProps<SVGFEFuncRElement>;
      feGaussianBlur: React.SVGProps<SVGFEGaussianBlurElement>;
      feImage: React.SVGProps<SVGFEImageElement>;
      feMerge: React.SVGProps<SVGFEMergeElement>;
      feMergeNode: React.SVGProps<SVGFEMergeNodeElement>;
      feMorphology: React.SVGProps<SVGFEMorphologyElement>;
      feOffset: React.SVGProps<SVGFEOffsetElement>;
      fePointLight: React.SVGProps<SVGFEPointLightElement>;
      feSpecularLighting: React.SVGProps<SVGFESpecularLightingElement>;
      feSpotLight: React.SVGProps<SVGFESpotLightElement>;
      feTile: React.SVGProps<SVGFETileElement>;
      feTurbulence: React.SVGProps<SVGFETurbulenceElement>;
      filter: React.SVGProps<SVGFilterElement>;
      foreignObject: React.SVGProps<SVGForeignObjectElement>;
      g: React.SVGProps<SVGGElement>;
      image: React.SVGProps<SVGImageElement>;
      line: React.SVGProps<SVGLineElement>;
      linearGradient: React.SVGProps<SVGLinearGradientElement>;
      marker: React.SVGProps<SVGMarkerElement>;
      mask: React.SVGProps<SVGMaskElement>;
      metadata: React.SVGProps<SVGMetadataElement>;
      mpath: React.SVGProps<SVGElement>;
      path: React.SVGProps<SVGPathElement>;
      pattern: React.SVGProps<SVGPatternElement>;
      polygon: React.SVGProps<SVGPolygonElement>;
      polyline: React.SVGProps<SVGPolylineElement>;
      radialGradient: React.SVGProps<SVGRadialGradientElement>;
      rect: React.SVGProps<SVGRectElement>;
      stop: React.SVGProps<SVGStopElement>;
      switch: React.SVGProps<SVGSwitchElement>;
      symbol: React.SVGProps<SVGSymbolElement>;
      text: React.SVGProps<SVGTextElement>;
      textPath: React.SVGProps<SVGTextPathElement>;
      tspan: React.SVGProps<SVGTSpanElement>;
      use: React.SVGProps<SVGUseElement>;
      view: React.SVGProps<SVGViewElement>;
    }
  }
}