// これで返ってくる値はReactElement

const element = createReactElement()

declare global {
    /**
     * @deprecated Use `React.JSX` instead of the global `JSX` namespace.
     */
    namespace JSX {
        // We don't just alias React.ElementType because React.ElementType
        // historically does more than we need it to.
        // E.g. it also contains .propTypes and so TS also verifies the declared
        // props type does match the declared .propTypes.
        // But if libraries declared their .propTypes but not props type,
        // or they mismatch, you won't be able to use the class component
        // as a JSX.ElementType.
        // We could fix this everywhere but we're ultimately not interested in
        // .propTypes assignability so we might as well drop it entirely here to
        //  reduce the work of the type-checker.
        // TODO: Check impact of making React.ElementType<P = any> = React.JSXElementConstructor<P>
        type ElementType = string | React.JSXElementConstructor<any>;
        interface Element extends React.ReactElement<any, any> {}

namespace JSX {
    type ElementType = GlobalJSXElementType;
    interface Element extends GlobalJSXElement {}

// React.JSX needs to point to global.JSX to keep global module augmentations intact.
// But we can't access global.JSX so we need to create these aliases instead.
// Once the global JSX namespace will be removed we replace React.JSX with the contents of global.JSX
interface GlobalJSXElement extends JSX.Element {}

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

    interface FunctionComponent<P = {}> {
        (
            props: P,
            /**
             * @deprecated
             *
             * @see {@link https://legacy.reactjs.org/docs/legacy-context.html#referencing-context-in-lifecycle-methods React Docs}
             */
            deprecatedLegacyContext?: any,
        ): ReactNode;
}

    type ReactNode =
        | ReactElement
        | string
        | number
        | Iterable<ReactNode>
        | ReactPortal
        | boolean
        | null
        | undefined
        | DO_NOT_USE_OR_YOU_WILL_BE_FIRED_EXPERIMENTAL_REACT_NODES[
            keyof DO_NOT_USE_OR_YOU_WILL_BE_FIRED_EXPERIMENTAL_REACT_NODES
        ];