Reference.ClassSignature
type t = [
| `Resolved of Paths.Reference.Resolved.ClassSignature.t |
| `Root of string * [ `TUnknown | `TClass | `TClassType ] |
| `Dot of Paths.Reference.LabelParent.t * string |
| `Class of Paths.Reference.Signature.t * Names.ClassName.t |
| `ClassType of Paths.Reference.Signature.t * Names.ClassTypeName.t |
]