### Avoiding permanent beta

From Kubernetes 1.20 onwards, SIG Architecture will implement a new policy to transition all REST APIs out of beta within nine months. The idea behind the new policy is to avoid features staying in beta for a long time. Once a new API enters beta, it will have nine months to either:

 - reach GA, and deprecate the beta, or

    String RESPONSE_INLINE_MIMETYPES = "response.inline.mimetypes";

    /** The key of the configuration. e.g. text/html=X-XSS-Protection: 1; mode=block<br>
     * text/html=Content-Security-Policy: reflected-xss block<br>
     * text/html=X-Frame-Options: SAMEORIGIN<br>
     *  */
    String RESPONSE_HEADERS = "response.headers";

    /** The key of the configuration. e.g. fess.search */