@Override
  public Result preprocessEnter(@NotNull PsiFile file,
                                @NotNull Editor editor,
                                @NotNull Ref<Integer> caretOffset,
                                @NotNull Ref<Integer> caretAdvance,
                                @NotNull DataContext dataContext,
                                EditorActionHandler originalHandler) {
    if (shouldDoNothingInBackendMode()) return Result.Continue;
      // this call is not related to YAMLEnterAtIndentHandler, but is needed for `YAMLInjectedElementEnterHandler`
    // this call is placed here to avoid creating another `EnterHandlerDelegate` with `order="first"`
    preserveIndentStateBeforeProcessing(file, dataContext);

    if (!(file instanceof YAMLFile)) {
      return Result.Continue;
    }

    if (caretOffset.get() > 0 && shouldInsertAutomaticHyphen(file)) {
      PsiElement element = file.findElementAt(caretOffset.get() - 1);
      if (PsiUtilCore.getElementType(element) == TokenType.WHITE_SPACE &&
          element.getTextLength() == 1 &&
          PsiUtilCore.getElementType(PsiTreeUtil.prevLeaf(element)) == YAMLTokenTypes.SEQUENCE_MARKER) {
        int indentSize = Objects.requireNonNull(CodeStyle.getLanguageSettings(file, YAMLLanguage.INSTANCE).getIndentOptions()).INDENT_SIZE;
        editor.getDocument().replaceString(caretOffset.get() - 2, caretOffset.get(), StringUtil.repeat(" ", indentSize));
        return Result.Stop;
      }
    }

    // honor dedent (RUBY-21803)
    // The solutions is copied from com.jetbrains.python.editor.PyEnterAtIndentHandler
    if (BackspaceHandler.isWhitespaceBeforeCaret(editor)) {
      return Result.DefaultSkipIndent;
    }
    return Result.Continue;
  }
@Override
  public Result preprocessEnter(@NotNull PsiFile file,
                                @NotNull Editor editor,
                                @NotNull Ref<Integer> caretOffset,
                                @NotNull Ref<Integer> caretAdvance,
                                @NotNull DataContext dataContext,
                                EditorActionHandler originalHandler)