toReadableString method
Implementation
String toReadableString() {
// return "nothing";
return """
id: $id,
is_bot: $isBot,
is_premium: $isPremium,
first_name: $firstName,
last_name: $lastName,
username: $username,
photo_url: $photoUrl,
language_code: $languageCode,
added_to_attachment_menu: $addedToAttachmentMenu,
allowed_write_to_pm: $allowedToWritePm
""";
}