public override JSONNode this[int aIndex]
 {
     get
     {
         if (aIndex < 0 || aIndex >= m_Dict.Count)
         {
             return(null);
         }
         return(m_Dict.ElementAt(aIndex).Value);
     }
     set
     {
         if (value == null)
         {
             value = new JSONNull();
         }
         if (aIndex < 0 || aIndex >= m_Dict.Count)
         {
             return;
         }
         string key = m_Dict.ElementAt(aIndex).Key;
         m_Dict[key] = value;
     }
 }