public DafnyTextDocumentHandler(
     ILogger <DafnyTextDocumentHandler> logger, IDocumentDatabase documents, IDiagnosticPublisher diagnosticPublisher
     ) : base(TextDocumentSyncKind.Incremental, CreateRegistrationOptions())
 {
     _logger              = logger;
     _documents           = documents;
     _diagnosticPublisher = diagnosticPublisher;
 }
 public DafnyTextDocumentHandler(
     ILogger <DafnyTextDocumentHandler> logger, IDocumentDatabase documents, IDiagnosticPublisher diagnosticPublisher
     )
 {
     this.logger              = logger;
     this.documents           = documents;
     this.diagnosticPublisher = diagnosticPublisher;
 }