* New docs [Separate OpenAPI Schemas for Input and Output or Not](https://fastapi.tiangolo.com/how-to/separate-openapi-schemas/).
    * This PR also includes a new setup (internal tools) for generating screenshots for the docs.

### Refactors

    * ServiceDelimiter string Delimiter to use to separate overridden services (multiple services) Defaults to "&"
    * ServicenameDelimiter string Delimiter to use to separate servicename from its configuration parameters Defaults "|"
    * OverrideSeparator string Delimiter to use to separate region of occurrence, url and signing region for each override Defaults to ","

    and share it throughout the application. Requests that needs a customized
    client should call `OkHttpClient.newBuilder()` on that shared instance.
    This allows customization without the drawbacks of separate connection
    pools.

 *  **OkHttpClient is now stateless.** In the 2.x API `OkHttpClient` had getters
    and setters. Internally each request was forced to make its own complete

* Build hyperkube in hack/local-up-cluster instead of separate binaries ([#25627](https://github.com/kubernetes/kubernetes/pull/25627), [@luxas](https://github.com/luxas))

* Use separate client for leader election in scheduler to avoid starving leader election by regular scheduler operations. ([#53793](https://github.com/kubernetes/kubernetes/pull/53793), [@wojtek-t](https://github.com/wojtek-t))

### Other (Cleanup or Flake)

- ServiceAccount metadata.annotations[kubernetes.io/enforce-mountable-secrets]: deprecated since v1.32; no removal deadline. Prefer separate namespaces to isolate access to mounted secrets. ([#128396](https://github.com/kubernetes/kubernetes/pull/128396), [@ritazh](https://github.com/ritazh)) [SIG API Machinery, Apps, Auth, CLI and Testing]

### API Change

- kubectl: Added alpha support for customizing kubectl behavior using preferences from a `kuberc` file, separate from `kubeconfig`. ([#125230](https://github.com/kubernetes/kubernetes/pull/125230), [@ardaguclu](https://github.com/ardaguclu)) [SIG API Machinery, CLI and Testing]

).map(frag => frag.trim());\n\n  // Detect if the offset string contains a pair of values or a single one\n  // they could be separated by comma or space\n  const divider = fragments.indexOf(\n    find(fragments, frag => frag.search(/,|\\s/) !== -1)\n  );\n\n  if (fragments[divider] && fragments[divider].indexOf(',') === -1) {\n    console.warn(\n      'Offsets separated by white space(s) are deprecated, use a comma (,) instead.'\n    );\n  }\n\n  // If divider is found, we divide the list of values...

  }

  // Inner Classes

  /**
   * Segments are specialized versions of hash tables. This subclass inherits from ReentrantLock
   * opportunistically, just to simplify some locking and avoid separate construction.
   */
  @SuppressWarnings("serial") // This class is never serialized.
  abstract static class Segment<
          K, V, E extends InternalEntry<K, V, E>, S extends Segment<K, V, E, S>>