code: protected OkHttpClient buildHttpClient() {
          OkHttpClient.Builder builder = new OkHttpClient.Builder()
                  .readTimeout(readTimeoutMs, TimeUnit.MILLISECONDS)
                  .writeTimeout(writeTimeoutMs, TimeUnit.MILLISECONDS);
          OkHttpClient client = builder.build();
          return client;
      }
docs: Create a new instance of {@link OkHttpClient}. Sub-class my override this method to customize
  the {@link OkHttpClient} instance.
  
  @return
  @since 0.9.1.6