listbox.accessibilityAttributeNames.has(AXIsMultiSelectable)='no' listbox.accessibilityAttributeValue(AXIsMultiSelectable)=1 listbox_not.accessibilityAttributeNames.has(AXIsMultiSelectable)='no' listbox_not.accessibilityAttributeValue(AXIsMultiSelectable)=0 not_applicable.accessibilityAttributeNames.has(AXIsMultiSelectable)='no' not_applicable.accessibilityAttributeValue(AXIsMultiSelectable)=0