Contains NFS Access Control List attribute.
This property contains an array of access control entries (ACE).
There are various access control entry types. The server is able to report which ACE types are supported
by returning the appropriate value within the aclsupport attribute.
ACECount property contains number of ACE records.
For more information see "NFS version 4 Protocol", RFC 3010, S.Shepler, B Callaghan et al., December 2000.
This feature is supported since version 4 of the SFTP protocol.