message: Changed the signature of createRoutableExtension to include null
diff: @@ -27,8 +27,11 @@ type ComponentLoader<T> =
  sync: T;
  };
  +// 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 createRoutableExtension<
  - T extends (props: any) => JSX.Element
  + T extends (props: any) => JSX.Element | null
  >(options: {
  component: () => Promise<T>;
  mountPoint: RouteRef;
  @@ -70,6 +73,9 @@ export function createComponentExtension<
  return createReactExtension({ component });
  }
  +// 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 createReactExtension<
  T extends (props: any) => JSX.Element | null
  >(options: {
  