* Improve handling of custom classes for `Request`s and `APIRoute`s.
    * This helps to more easily solve use cases like:
        * Reading a body before and/or after a request (equivalent to a middleware).
        * Run middleware-like code only for a subset of *path operations*.
        * Process a request before passing it to a *path operation function*. E.g. decompressing, deserializing, etc.

     * Get the value for the key 'api.access.token.request.parameter'. <br>
     * The value is, e.g.  <br>
     * comment: API access token request parameter.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getApiAccessTokenRequestParameter();

    /**
     * Get the value for the key 'api.access.token.request.parameter' as {@link Integer}. <br>

- Fixes an issue with the max-in-flight API server filter where the filter could take a long time to process an incoming request if it had been a long time since the last request. ([#96282](https://github.com/kubernetes/kubernetes/pull/96282), [@staebler](https://github.com/staebler)) [SIG API Machinery]

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