Checks requested access against an Access Control List.  This method relies
   * on finding the ACL data in the relevant portions of {@link FsPermission} and
   * {@link AclFeature} as implemented in the logic of {@link AclStorage}.  This
   * method also relies on receiving the ACL entries in sorted order.  This is
   * assumed to be true, because the ACL modification methods in
   * {@link AclTransformation} sort the resulting entries.
Checks requested access against an Access Control List.  This method relies
   * on finding the ACL data in the relevant portions of {@link FsPermission} and
   * {@link AclFeature} as implemented in the logic of {@link AclStorage}.  This
   * method also relies on receiving the ACL entries in sorted order.  This is
   * assumed to be true, because the ACL modification methods in
   * {@link AclTransformation} sort the resulting entries. | FSPermissionChecker.java