Base class for state in simple state machine

BaseState.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class BaseState {

    public virtual void InitState () {
        
    }

    public virtual void UpdateState () {
        
    }

    public virtual void DeinitState () {
        
    }

    public virtual void HandleMessage(string message)
    {

    }
}