Q804

{"type":"item","id":"Q804","labels":{"en":{"language":"en","value":"required qualifier constraint"}},"descriptions":{"en":{"language":"en","value":"type of constraint for Gratisdata properties: used to specify that the listed qualifier has to be used"}},"aliases":{"en":[{"language":"en","value":"required qualifier constraint"},{"language":"en","value":"mandatory qualifier"}]},"claims":[],"sitelinks":[]}