/** Key for file attribute view in metadata */
    public static final String FILE_ATTRIBUTE_VIEW = "fileAttributeView";

    /** Key for file user in metadata */
    public static final String FS_FILE_USER = "fsFileUser";

    /** Key for file groups in metadata */
    public static final String FS_FILE_GROUPS = "fsFileGroups";

    <magic priority="55">
      <match minShouldMatch="2">
        <match value="user-agent:" type="stringignorecase" offset="0"/>
        <match value="allow:" type="stringignorecase" offset="0"/>
        <match value="disallow:" type="stringignorecase" offset="0"/>
        <match value="sitemap:" type="stringignorecase" offset="0"/>
        <match value="\nuser-agent:" type="stringignorecase" offset="0:1000"/>

 * from FTP servers. The client supports various configurations, including authentication, timeouts,
 * passive/active modes, and encoding settings. It also handles FTP file attributes such as user,
 * group, and symbolic links.
 *
 * <p>
 * The class uses Apache Commons Net library for FTP communication. It maintains a queue of FTPClient
 * instances to improve performance by reusing connections.
 * </p>
 *

				"application/mbms-protection-description+xml",
				"application/mbms-reception-report+xml",
				"application/mbms-register+xml",
				"application/mbms-register-response+xml",
				"application/mbms-user-service-description+xml",
				"application/mbox",
				"application/media_control+xml",
				"application/mediaservercontrol+xml",
				"application/mikey",
				"application/moss-keys",
				"application/moss-signature",