Update packages/ra-core/src/dataProvider/undo/index.ts

Co-authored-by: Jean-Baptiste Kaiser <[email protected]>

Author: fzaninotto

packages/ra-core/src/dataProvider/undo/index.ts

@@ -1,5 +1,6 @@
 export * from './AddUndoableMutationContext';
 export * from './TakeUndoableMutationContext';
 export * from './UndoableMutationsContextProvider';
+export * from './types';
 export * from './useAddUndoableMutation';
 export * from './useTakeUndoableMutation';