# none-of constraint

> constraint specifying values that should not be used for the given property

**Wikidata**: [Q52558054](https://www.wikidata.org/wiki/Q52558054)  
**Source**: https://4ort.xyz/entity/none-of-constraint


## References

1. [Source](https://raw.githubusercontent.com/OpenRefine/OpenRefine/master/extensions/wikidata/src/org/openrefine/wikidata/qa/WikidataConstraintFetcher.java)
2. [Source](https://raw.githubusercontent.com/wikimedia/mediawiki-extensions-WikibaseQualityConstraints/dd6d6f25d094b1f0fe2cae7a47dac2f02e842c30/extension.json)