message: Changed the signature of createComponentExtension to include null
diff: @@ -60,15 +60,18 @@ export function createRoutableExtension<
  });
  }
  +// We do not use ComponentType as the return type, since it doesn't let us convey the children prop.
  +// ComponentType inserts children as an optional prop whether the inner component accepts it or not,
  +// making it impossible to make the usage of children type safe.
  export function createComponentExtension<
  - T extends (props: any) => JSX.Element
  + T extends (props: any) => JSX.Element | null
  >(options: { component: ComponentLoader<T> }): Extension<T> {
  const { component } = options;
  return createReactExtension({ component });
  }
  export function createReactExtension<
  - T extends (props: any) => JSX.Element
  + T extends (props: any) => JSX.Element | null
  >(options: {
  component: ComponentLoader<T>;
  data?: Record<string, unknown>;
  