Returns the permissions of the folder.
This method is only available in the Professional edition of Java Outlook Connector.

Example:

 int permissions = folder.getPermissions();
 if((permissions & OutlookFolder.PERMISSION_READ) != 0)
 {
   // Permission to read items
 }
 if((permissions & OutlookFolder.PERMISSION_DELETE) != 0)
 {
   // Permission to delete items
 }
 if((permissions & OutlookFolder.PERMISSION_CREATE_CONTENTS) != 0)
 {
   // Permission to create items
 }
 if((permissions & OutlookFolder.PERMISSION_CREATE_HIERARCHY) != 0)
 {
   // Permission to create subfolders
 }