Reference.ConstructorSourcetype t = [ | `Resolved of Resolved.Constructor.t| `Root of string * [ `TConstructor | `TExtension | `TException | `TUnknown ]| `Dot of LabelParent.t * string| `Constructor of DataType.t * Names.ConstructorName.t| `Extension of Signature.t * Names.ExtensionName.t| `Exception of Signature.t * Names.ExceptionName.t ]