anchor.diff:            .getLocation(entity.offset)
             .columnNumber;
   
  +      bool isKeyword() => kind == protocol.CompletionSuggestionKind.KEYWORD;
  +
         // Some special cases in the if and if-else blocks, 'import' from the
         // DAS is "import '';" which we want to be sure to match.
  -      if (entity.toString() == 'async') {
  +      var lexeme = entity.toString();
  +      if (lexeme == 'async') {
           expectedCompletions.add(ExpectedCompletion.specialCompletionString(
               filePath,
               entity,
  
positive.code:             DEFERRED_AS,
              kind,
              elementKind));
        } else if (entity.toString() == 'export') {
          expectedCompletions.add(ExpectedCompletion.specialCompletionString(
              filePath,
              entity,
  
negative.code:             EXPORT_STATEMENT,
              kind,
              elementKind));
        } else if (lexeme == 'import' && isKeyword()) {
          expectedCompletions.add(ExpectedCompletion.specialCompletionString(
              filePath,
              entity,
  