* The value is, e.g. Fess <br>
     * comment: The title of the domain for logging and display.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getDomainTitle();

    /**
     * Get the value for the key 'search_engine.type'. <br>
     * The value is, e.g. default <br>
     * comment: The type of search engine backend (e.g., default, opensearch).

@media print {\n    *,\n    *::before,\n    *::after {\n      // Bootstrap specific; comment out `color` and `background`\n      //color: $black !important; // Black prints faster\n      text-shadow: none !important;\n      //background: transparent !important;\n      box-shadow: none !important;\n    }\n\n    a {\n      &:not(.btn) {\n        text-decoration: underline;\n      }\n    }\n\n    // Bootstrap specific; comment the following selector out\n    //a[href]::after {\n    //  content: \" (\" attr(href)...