Reset Mutation State in onError Handler of MutationCache

{
  queryClient: new QueryClient({
    queryCache: new QueryCache({
      onError(error, query) {
        if (error instanceof AuthExpiredError) {
          query.reset();
          displayLogInForm();
        }
      },
    }),
    mutationCache: new MutationCache({
      onError(error, variables, context, mutation) {
        if (error instanceof AuthExpiredError) {
          mutation.reset(); /// how to reset mutation state? 🤔
          displayLogInForm();
        }
      },
    }),
  }),
}