[kotlin_1_6_20]: https://github.com/JetBrains/kotlin/releases/tag/v1.6.20
 [kotlin_1_8_21]: https://github.com/JetBrains/kotlin/releases/tag/v1.8.21
 [legacy_interceptor]: https://gist.github.com/swankjesse/80135f4e03629527e723ab3bcf64be0b
 [okhttp4_blog_post]: https://cashapp.github.io/2019-06-26/okhttp-4-goes-kotlin
 [okio.FileSystem]: https://square.github.io/okio/file_system/

          Gist gist = gistJsonAdapter.fromJson(response.body().source());

          for (Map.Entry<String, GistFile> entry : gist.files.entrySet()) {
            System.out.println(entry.getKey());
            System.out.println(entry.getValue().content);
          }
        }
      }

      static class Gist {
        Map<String, GistFile> files;
      }