* @method string getText() Text of the button. If none of the optional fields are used, it will be sent to the bot as a message when the button is pressed
* @method bool getRequestContact() Optional. If True, the user's phone number will be sent as a contact when the button is pressed. Available in private chats only
* @method bool getRequestLocation() Optional. If True, the user's current location will be sent when the button is pressed. Available in private chats only