MouseState._pressedButtons not return to MemoryPool

[Sarofc]

version 2.22

internal MouseState(IMouse mouse, MemoryPool<byte> pool)
{
	//IL_0097: Unknown result type (might be due to invalid IL or missing references)
	//IL_009d: Expected I4, but got Unknown
	//IL_015f: Unknown result type (might be due to invalid IL or missing references)
	//IL_0164: Unknown result type (might be due to invalid IL or missing references)
	Name = ((IInputDevice)mouse).Name;
	Index = ((IInputDevice)mouse).Index;
	IsConnected = ((IInputDevice)mouse).IsConnected;
	IReadOnlyList<MouseButton> supportedButtons = mouse.SupportedButtons;
	_buttonCount = supportedButtons.Count;
	_buttons = pool.Rent(_buttonCount * 4);
	_pressedButtons = pool.Rent(_buttonCount * 4);
	_pressedButtonCount = _buttonCount;
	Span<MouseButton> supportedButtons2 = GetSupportedButtons();
	Span<MouseButton> pressedButtons = GetPressedButtons();
	_pressedButtonCount = 0;
	for (int i = 0; i < _buttonCount; i++)
	{
		supportedButtons2[i] = (MouseButton)(int)supportedButtons[i];
		if (mouse.IsButtonPressed(supportedButtons2[i]))
		{
			pressedButtons[_pressedButtonCount++] = supportedButtons2[i];
		}
	}
	using (_pressedButtons)
	{
		Span<MouseButton> pressedButtons2 = GetPressedButtons();
		_pressedButtons = pool.Rent(_pressedButtonCount * 4);
		pressedButtons = GetPressedButtons();
		pressedButtons2.CopyTo(pressedButtons);
		IReadOnlyList<ScrollWheel> scrollWheels = mouse.ScrollWheels;
		_scrollWheelCount = scrollWheels.Count;
		_scrollWheels = pool.Rent(_scrollWheelCount * Unsafe.SizeOf<ScrollWheel>());
		Span<ScrollWheel> scrollWheels2 = GetScrollWheels();
		for (int j = 0; j < _scrollWheelCount; j++)
		{
			scrollWheels2[j] = scrollWheels[j];
		}
		Position = mouse.Position;
	}
}