      Stops to access to all the security Scoped Resources
      */
     public func stopAccessingAllSecurityScopedResources() {
-        while  let key = _activeSecurityBookmarks.first {
-            stopAccessingToSecurityScopedResourceAtURL(key as URL)
+        while  let key = self._activeSecurityBookmarks.first {
+            self.stopAccessingToSecurityScopedResourceAtURL(key as URL)
         }
     }
 

     */
    public func startAccessingToSecurityScopedResourceAtURL(_ scopedUrl: URL) {
        let _ = scopedUrl.startAccessingSecurityScopedResource()
        if _activeSecurityBookmarks.index(of: scopedUrl)==nil {
            _activeSecurityBookmarks.append(scopedUrl)
        }
    }


     - returns: the securized URL
     */
    public func getSecurityScopedURLFrom(_ url: URL, appScoped: Bool=false, documentfileURL: URL?=nil)throws -> URL {
        let key=self._getBookMarkKeyFor(url, appScoped: appScoped, documentfileURL: documentfileURL)
        if let stringifyedData=self.metadata.URLBookmarkData[key] as? String {
            if let base64EncodedData=stringifyedData.data(using: Default.STRING_ENCODING) {
                if let data=Data(base64Encoded: base64EncodedData, options: [.ignoreUnknownCharacters]) {
