public delegate void OnRelayoutDelegate(Vector2 size, RelayoutContainer container);
public delegate void OnSetResizePolicyDelegate(ResizePolicyType policy, DimensionType dimension);
public delegate Vector3 GetNaturalSizeDelegate();
public delegate void OnRelayoutDelegate(Vector2 size, RelayoutContainer container);
public delegate void OnSetResizePolicyDelegate(ResizePolicyType policy, DimensionType dimension);
public delegate Vector3 GetNaturalSizeDelegate();