For fields with unknown cardinality.
type.pb.swift:325case unknowns13SwiftProtobuf07Google_B6_FieldV11CardinalityO7unknownyA2EmFWhat are these?
FNV24: [3TUUB]
case optionalFor optional fields.
case requiredFor required fields. Proto2 syntax only.
case repeatedFor repeated fields.
case UNRECOGNIZED(Int)import SwiftProtobufSupport library for Swift code generated by protoc-gen-swift.
enum CardinalityWhether a field is optional, required, or repeated.
struct Google_Protobuf_FieldA single field of a message type.
case optionalFor optional fields.
case requiredFor required fields. Proto2 syntax only.
case repeatedFor repeated fields.
case UNRECOGNIZED(Int)