@Override
  public GrDocMethodParameter[] getParameters() {
    List<GrDocMethodParameter> result = new ArrayList<>();
    for (PsiElement cur = getFirstChild(); cur != null; cur = cur.getNextSibling()) {
      if (cur instanceof GrDocMethodParameter) result.add((GrDocMethodParameter)cur);
    }
    return result.toArray(new GrDocMethodParameter[0]);
  }
@Override
  public GrDocMethodParameter[] getParameters()