public CodeIndexExternalReferenceItem(
     VisualStudioFindSymbolMonikerUsagesService service,
     DefinitionItem definition,
     JObject resultObject,
     string repository,
     ExternalScope scope,
     string projectName,
     string displayPath,
     LinePositionSpan span,
     string text) : base(definition, repository, scope, projectName, displayPath, span, text)
 {
     _service     = service;
     ResultObject = resultObject;
 }
 public ExternalReferenceItem(
     DefinitionItem definition,
     string repository,
     ExternalScope scope,
     string projectName,
     string displayPath,
     LinePositionSpan span,
     string text)
 {
     Definition  = definition;
     Repository  = repository;
     Scope       = scope;
     ProjectName = projectName;
     DisplayPath = displayPath;
     Span        = span;
     Text        = text;
 }