Using TimedQueue with interface

ShowMessages.cs

public class ShowMessages : MonoBehaviour, TimedQueueCallback
{
    [SerializeField]
    private Text _message;

    private TimedQueue queue;

    void Start()
    {
        queue = new TimedQueue(this);
        queue.Enqueue("one");
        queue.Enqueue("Ha Ha");
        queue.Enqueue("two");
        queue.Enqueue("Ha Ha");
    }

    public void ShowMessage(string t)
    {
        _message.text = t;
    }

    public void ShowDefaultMessage()
    {
        _message.text = "default message";
    }

    public void OnMessage(string message)
    {
        ShowMessage(message);
    }

    public void OnEmpty() {}
}