            "is",
                  "ROLE_SYSTEM_COLUMNHEADER"
               ],
               [
                  "property",
                  "interfaces",
                  "contains",
                  "IAccessibleTableCell"
               ],
               [
                  "property",
                  "objectAttributes",
                  "contains",
                  "colindex:4"
               ]
            ],
            "MSAA" : [
               [
                  "property",
               