PMC:149366 / 4959-4963 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T1508","span":{"begin":0,"end":4},"obj":"JJ"}],"text":"null"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T1449","span":{"begin":0,"end":4},"obj":"SO_EXT:sequence_nullness"}],"text":"null"}