Reference.InstanceVariable
type t = [
| `Resolved of Paths.Reference.Resolved.InstanceVariable.t |
| `Root of string * [ `TInstanceVariable | `TUnknown ] |
| `Dot of Paths.Reference.LabelParent.t * string |
| `InstanceVariable of Paths.Reference.ClassSignature.t * Names.InstanceVariableName.t |
]