internal void Resume(MonoBehaviour behaviour)
        {
            if (_state != RadicalCoroutineOperatingState.Inactive && _state != RadicalCoroutineOperatingState.Paused) throw new System.InvalidOperationException("Failed to start RadicalCoroutine. The Coroutine is already being processed.");
            if (behaviour == null) throw new System.ArgumentNullException("behaviour");

            _state = RadicalCoroutineOperatingState.Active;
            _owner = behaviour;

            if (_stack.CurrentOperation is IPausibleYieldInstruction) (_stack.CurrentOperation as IPausibleYieldInstruction).OnResume();

#if SP_LIB
            var manager = behaviour.AddOrGetComponent<RadicalCoroutineManager>();
#else
            var manager = behaviour.GetComponent<RadicalCoroutineManager>();
            if (manager == null) manager = behaviour.gameObject.AddComponent<RadicalCoroutineManager>();
#endif
            _manager = manager;
            _manager.RegisterCoroutine(this);
            _token = behaviour.StartCoroutine(this);
        }
        public void StartAsync(MonoBehaviour behaviour, RadicalCoroutineDisableMode disableMode = RadicalCoroutineDisableMode.Default)
        {
            if (_state != RadicalCoroutineOperatingState.Inactive) throw new System.InvalidOperationException("Failed to start RadicalCoroutine. The Coroutine is already being processed.");
            if (behaviour == null) throw new System.ArgumentNullException("behaviour");

            _state = RadicalCoroutineOperatingState.Active;
            _owner = behaviour;
            _disableMode = disableMode;

            if (_stack.CurrentOperation is IPausibleYieldInstruction) (_stack.CurrentOperation as IPausibleYieldInstruction).OnResume();
            _stack.Push(com.spacepuppy.Async.RadicalTask.Create(this)); //we start the task as an async operation

#if SP_LIB
            var manager = behaviour.AddOrGetComponent<RadicalCoroutineManager>();
#else
            var manager = behaviour.GetComponent<RadicalCoroutineManager>();
            if (manager == null) manager = behaviour.gameObject.AddComponent<RadicalCoroutineManager>();
#endif
            _manager = manager;
            _manager.RegisterCoroutine(this);
            _token = behaviour.StartCoroutine(this);

        }