* @throws ArithmeticException for durations greater than +/- approximately 292 years
   * @since 33.3.0 (but since 25.0 in the JRE <a
   *     href="https://github.com/google/guava#guava-google-core-libraries-for-java">flavor</a>)
   */
  @J2ObjCIncompatible
  @GwtIncompatible // Duration
  @SuppressWarnings("GoodTime") // Duration decomposition

Wharton's post, [Java Interoperability Policy for Major Version
Updates][major_versions].

This release obsoletes OkHttp 2.x, and all code that uses OkHttp's
`com.squareup.okhttp` package should upgrade to the `okhttp3` package. Libraries
that depend on OkHttp should upgrade quickly to prevent applications from being
stuck on the old version.

 *  **There is no longer a global singleton connection pool.** In OkHttp 2.x,