Can be used by views to indicate whether a drop is allowed (eg
adequete permissions in a filesystem model).
Change-Id: Iefedb5399e44c8edc5f5df1403c8d5c0da618612
Reviewed-by: Peter Penz <peter.penz19@gmail.com>
Reviewed-by: Thorbjørn Lund Martsum <tmartsum@gmail.com>
Reviewed-by: Stephen Kelly <stephen.kelly@kdab.com>
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>