to change, and the implementation is incomplete. This is a big new API we
    are eager for feedback.

 *  New: Support ALPN via Google Play Services' Dynamic Security Provider. This
    expands HTTP/2 support to older Android devices that have Google Play
    Services.
 *  New: Consider all routes when looking for candidate coalesced connections.
    This increases the likelihood that HTTP/2 connections will be shared.

  optional int64 deletionGracePeriodSeconds = 10;

  // Map of string keys and values that can be used to organize and categorize
  // (scope and select) objects. May match selectors of replication controllers
  // and services.
  // More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/labels
  // +optional
  map<string, string> labels = 11;

     * * **Unreachable IP addresses.** If the URL's host has multiple IP addresses,
     *   failure to reach any individual IP address doesn't fail the overall request. This can
     *   increase availability of multi-homed services.
     *
     * * **Stale pooled connections.** The [ConnectionPool] reuses sockets
     *   to decrease request latency, but these connections will occasionally time out.
     *