anchor.diff:  
       static member AsImportSpecifier(local): ImportSpecifier = { Local = local } |> ImportDefaultSpecifier
   
  -    interface IPrintable with
  -        member this.Print(printer) =
  -            printer.Print(this.Local)
  +    member this.Print(printer) =
  +        this.Local.Print(printer)
   
   /// A namespace import specifier, e.g., * as foo in import * as foo from "mod".
   type ImportNamespaceSpecifier =
  
positive.code: 
      static member AsImportSpecifier(local): ImportSpecifier = { Local = local } |> ImportNamespaceSpecifier
  
      interface IPrintable with
          member this.Print(printer) =
              printer.Print("* as ")
              printer.Print(this.Local)
  
  /// e.g., import foo from "mod";.
  type ImportDeclaration =
  
negative.code:           Static = ``static`` }
          |> ObjectTypeIndexer
  
      member _.Print(_) = failwith "not implemented"
  
  type ObjectTypeCallProperty =
      { Value: TypeAnnotationInfo
  