How to use the apollo-client.ApolloCache function in apollo-client

// @flow

import { ApolloClient, ApolloLink, ApolloCache } from "apollo-client";
import { describe, it } from "flow-typed-test";
import ApolloClientDefault from "apollo-client";

const link = new ApolloLink();
const cache = new ApolloCache();

describe("apollo-client", () => {
  describe("ApolloClient initialization", () => {
    it("passes when passed correct configuration", () => {
      new ApolloClient({
        link,
        cache
      });
    });

    it("query function passes", async () => {
      const client = new ApolloClient({
        link,
        cache
      });
      const result = await client.query({