public override string ToString()
{
var sb = new StringBuilder();
sb.Append("class Pet {\n");
sb.Append(" name: ").Append(name).Append("\n");
sb.Append(" id: ").Append(id).Append("\n");
sb.Append(" tags: ").Append(tags).Append("\n");
sb.Append(" status: ").Append(status).Append("\n");
sb.Append(" photoUrls: ").Append(photoUrls).Append("\n");
sb.Append(" category: ").Append(category).Append("\n");
sb.Append("}\n");
return sb.ToString();
}