(scannersCommon: StringAdd).self
(scannersCommon: StringFormat).self
(scannersCommon: ArrowAssoc[ScannersCommon]).x
(Since version 2.10.0) Use leftOfArrow instead
(scannersCommon: Ensuring[ScannersCommon]).x
(Since version 2.10.0) Use resultOfEnsuring instead
See Parsers.scala / ParsersCommon for some explanation of ScannersCommon.