// +optional
  optional string protocol = 3;

  // The application protocol for this port.
  // This is used as a hint for implementations to offer richer behavior for protocols that they understand.
  // This field follows standard Kubernetes label syntax.
  // Valid values are either:
  //
  // * Un-prefixed protocol names - reserved for IANA standard service names (as per

UnderlyingType = "~" Type .
</pre>

<p>
An interface type is specified by a list of <i>interface elements</i>.
An interface element is either a <i>method</i> or a <i>type element</i>,
where a type element is a union of one or more <i>type terms</i>.
A type term is either a single type or a single underlying type.
</p>

<h4 id="Basic_interfaces">Basic interfaces</h4>

<p>

    - [Action Required](#action-required)
    - [Other notable changes](#other-notable-changes)
- [v1.8.14](#v1814)
  - [Downloads for v1.8.14](#downloads-for-v1814)
    - [Client Binaries](#client-binaries-1)
    - [Server Binaries](#server-binaries-1)
    - [Node Binaries](#node-binaries-1)
  - [Changelog since v1.8.13](#changelog-since-v1813)
    - [Other notable changes](#other-notable-changes-1)
- [v1.8.13](#v1813)

    - [Action Required](#action-required)
    - [Other notable changes](#other-notable-changes)
- [v1.9.10](#v1910)
  - [Downloads for v1.9.10](#downloads-for-v1910)
    - [Client Binaries](#client-binaries-1)
    - [Server Binaries](#server-binaries-1)
    - [Node Binaries](#node-binaries-1)
  - [Changelog since v1.9.9](#changelog-since-v199)
    - [Other notable changes](#other-notable-changes-1)
- [v1.9.9](#v199)

    - [Action Required](#action-required)
    - [Other notable changes](#other-notable-changes)
- [v1.7.15](#v1715)
  - [Downloads for v1.7.15](#downloads-for-v1715)
    - [Client Binaries](#client-binaries-1)
    - [Server Binaries](#server-binaries-1)
    - [Node Binaries](#node-binaries-1)
  - [Changelog since v1.7.14](#changelog-since-v1714)
    - [Other notable changes](#other-notable-changes-1)
- [v1.7.14](#v1714)

  - [Changelog since v1.6.12](#changelog-since-v1612)
    - [Other notable changes](#other-notable-changes)
- [v1.6.12](#v1612)
  - [Downloads for v1.6.12](#downloads-for-v1612)
    - [Client Binaries](#client-binaries-1)
    - [Server Binaries](#server-binaries-1)
    - [Node Binaries](#node-binaries-1)
  - [Changelog since v1.6.11](#changelog-since-v1611)
    - [Other notable changes](#other-notable-changes-1)
- [v1.6.11](#v1611)

  - [Changelog since v1.10.12](#changelog-since-v11012)
    - [Other notable changes](#other-notable-changes)
- [v1.10.12](#v11012)
  - [Downloads for v1.10.12](#downloads-for-v11012)
    - [Client Binaries](#client-binaries-1)
    - [Server Binaries](#server-binaries-1)
    - [Node Binaries](#node-binaries-1)
  - [Changelog since v1.10.11](#changelog-since-v11011)
    - [Other notable changes](#other-notable-changes-1)
- [v1.10.11](#v11011)

  - [Changelog since v1.11.9](#changelog-since-v1119)
    - [Other notable changes](#other-notable-changes)
- [v1.11.9](#v1119)
  - [Downloads for v1.11.9](#downloads-for-v1119)
    - [Client Binaries](#client-binaries-1)
    - [Server Binaries](#server-binaries-1)
    - [Node Binaries](#node-binaries-1)
  - [Changelog since v1.11.8](#changelog-since-v1118)
    - [Other notable changes](#other-notable-changes-1)
- [v1.11.8](#v1118)

    - [Other notable changes](#other-notable-changes)
- [v1.16.4](#v1164)
  - [Downloads for v1.16.4](#downloads-for-v1164)
    - [Client Binaries](#client-binaries-12)
    - [Server Binaries](#server-binaries-12)
    - [Node Binaries](#node-binaries-12)
  - [Changelog since v1.16.3](#changelog-since-v1163)
    - [Other notable changes](#other-notable-changes-1)
- [v1.16.3](#v1163)

- The `TTLAfterFinished`...