func tag(at: Int, unit: NSLinguisticTaggerUnit, scheme: NSLinguisticTagScheme, tokenRange : NSRangePointer?) -> NSLinguisticTag?
func tag(at: Int, scheme: NSLinguisticTagScheme, tokenRange : NSRangePointer?, sentenceRange : NSRangePointer?) -> NSLinguisticTag?
class func tag(for: String, at: Int, unit: NSLinguisticTaggerUnit, scheme: NSLinguisticTagScheme, orthography: NSOrthography?, tokenRange : NSRangePointer?) -> NSLinguisticTag?
func tags(in: NSRange, scheme: String, options: NSLinguisticTagger.Options, tokenRanges : AutoreleasingUnsafeMutablePointer<NSArray?>?) -> [String]
class func tags(for: String, range: NSRange, unit: NSLinguisticTaggerUnit, scheme: NSLinguisticTagScheme, options: NSLinguisticTagger.Options, orthography: NSOrthography?, tokenRanges : AutoreleasingUnsafeMutablePointer<NSArray?>?) -> [NSLinguisticTag]