NSGrammaticalNumber.notSet A value that indicates the number is unset. Declarationcase notSet See AlsoDetermining Grammatical NumberNSGrammaticalNumber.zeroNSGrammaticalNumber.singularNSGrammaticalNumber.pluralNSGrammaticalNumber.pluralTwoNSGrammaticalNumber.pluralFewNSGrammaticalNumber.pluralMany