code: public static OkHttpClient.Builder defaultOkHttpClientBuilder() {
          return new OkHttpClient.Builder()
              .connectTimeout(DEFAULT_CONNECT_TIMEOUT_MILLIS, TimeUnit.MILLISECONDS)
              .readTimeout(DEFAULT_READ_TIMEOUT_MILLIS, TimeUnit.MILLISECONDS)
              .writeTimeout(DEFAULT_READ_TIMEOUT_MILLIS, TimeUnit.MILLISECONDS)
              // enables certificate pinning
              .sslSocketFactory(SSLConfig.getSSLSocketFactory(), SSLConfig.getTrustManager());
      }
docs: Returns an {@code OkHttpClient.Builder} instance with the default settings for this SDK.