* -Dorg.apache.pdfbox.rendering.UsePureJavaCMYKConversion=true<br>
     *  */
    String JVM_THUMBNAIL_OPTIONS = "jvm.thumbnail.options";

    /** The key of the configuration. e.g. default_crawler */
    String JOB_SYSTEM_JOB_IDS = "job.system.job.ids";

    /** The key of the configuration. e.g. Web Crawler - {0} */
    String JOB_TEMPLATE_TITLE_WEB = "job.template.title.web";