public TextBufferCloneService(ITextBufferFactoryService3 textBufferFactoryService, IContentTypeRegistryService contentTypeRegistryService)
            {
                _textBufferFactoryService = textBufferFactoryService;

                _roslynContentType  = contentTypeRegistryService.GetContentType(ContentTypeNames.RoslynContentType);
                _unknownContentType = contentTypeRegistryService.UnknownContentType;
            }
 public TextBufferCloneService(ITextBufferFactoryService3 textBufferFactoryService, IContentType unknownContentType)
 {
     _textBufferFactoryService = textBufferFactoryService;
     _unknownContentType       = unknownContentType;
 }
 public TextBufferCloneService(ITextBufferFactoryService3 textBufferFactoryService, IContentTypeRegistryService contentTypeRegistryService)
 {
     _textBufferFactoryService = textBufferFactoryService;
     _unknownContentType       = contentTypeRegistryService.UnknownContentType;
 }