@Override
  public String getDocCommentText() {
    final PsiElement edge = getEdgeOfProperty(this);
    StringBuilder text = new StringBuilder();
    for(PsiElement doc = edge; doc != this; doc = doc.getNextSibling()) {
      if (doc instanceof PsiComment) {
        text.append(doc.getText());
        text.append("\n");
      }
    }
    if (text.length() == 0) return null;
    return text.toString();
  }
@Override
  public String getDocCommentText()