Function callbackTest

packages/query-core/src/__tests__/queryClient.test-d.tsx:228–232

()

      const queryClient = new QueryClient()

      const callbackTest: SuccessCallback = () =>
        queryClient.setQueryData(key, (data) => {
          expectTypeOf(data).toEqualTypeOf<number | undefined>()
          return data
        })
      expectTypeOf(callbackTest).toEqualTypeOf<SuccessCallback>()
    })