public override string ToString()
{
StringBuilder sb = new StringBuilder("grant_role_args(");
sb.Append("Role_name: ");
sb.Append(Role_name);
sb.Append(",Principal_name: ");
sb.Append(Principal_name);
sb.Append(",Principal_type: ");
sb.Append(Principal_type);
sb.Append(",Grantor: ");
sb.Append(Grantor);
sb.Append(",GrantorType: ");
sb.Append(GrantorType);
sb.Append(",Grant_option: ");
sb.Append(Grant_option);
sb.Append(")");
return sb.ToString();
}