(existentialType: StringAdd).self
(existentialType: StringFormat).self
(Since version 0.6.0) Use toPMessage
(Since version 0.6.0) Use getField that accepts a ScalaPB descriptor and returns PValue
(existentialType: ArrowAssoc[ExistentialType]).x
(Since version 2.10.0) Use leftOfArrow
instead
(existentialType: Ensuring[ExistentialType]).x
(Since version 2.10.0) Use resultOfEnsuring
instead