public override string ToString()
{
StringBuilder sb = new StringBuilder("list_privileges_args(");
sb.Append("Principal_name: ");
sb.Append(Principal_name);
sb.Append(",Principal_type: ");
sb.Append(Principal_type);
sb.Append(",HiveObject: ");
sb.Append(HiveObject == null ? "<null>" : HiveObject.ToString());
sb.Append(")");
return sb.ToString();
}