message: fix: Restore missing `Composite` references
  Closes (comment)](https://github.com/reakit/reakit/pull/667\#issuecomment-647108385)
diff: @@ -3,3 +3,11 @@ export * from "./CompositeGroup";
  export * from "./CompositeItem";
  export * from "./CompositeItemWidget";
  export * from "./CompositeState";
  +
  +// Temporary fix for https://github.com/reakit/reakit/pull/667#issuecomment-647108385
  +// TODO: Create a note on docs about using exact versions when using experimental features
  +// TODO: Remove on v2
  +export { useCompositeState as unstable_useCompositeState } from "./CompositeState";
  +export { Composite as unstable_Composite } from "./Composite";
  +export { CompositeGroup as unstable_CompositeGroup } from "./CompositeGroup";
  +export { CompositeItem as unstable_CompositeItem } from "./CompositeItem";
  