const messageTypeSender = 'sender';
const messageTypeReceiver = 'receiver';

class Message {
    String id;
    String symmetricKey;
    String messageThreadKey;
    String data;
    String senderId;
    String senderUsername;
    Message({
        required this.id,
        required this.symmetricKey,
        required this.messageThreadKey,
        required this.data,
        required this.senderId,
        required this.senderUsername,
    });
}