private void removeUntouchedArguments(TemplateImpl template) {
        int firstUnchangedVar = maxEditedVariable.get() + 1;
        if (firstUnchangedVar >= template.getVariableCount()) return;

        TextRange startRange = templateState.getVariableRange(template.getVariableNameAt(firstUnchangedVar));
        TextRange endRange = templateState.getVariableRange(template.getVariableNameAt(template.getVariableCount() - 1));
        if (startRange == null || endRange == null) return;

        WriteCommandAction.runWriteCommandAction(editor.getProject(), () ->
          editor.getDocument().deleteString(startRange.getStartOffset(), endRange.getEndOffset()));
      }
private void removeUntouchedArguments(TemplateImpl template)