I expected the following to work:
my:IssueShape {
ex:status xsd:integer [0 1];
}
However, it apparently only works with AND:
PREFIX my: <http://my.example/>
PREFIX ex: <http://ex.example/>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
my:IssueShape {
ex:status [0 1] AND xsd:integer;
}