Wrapper class for managing layout rebuilding of CanvasElement.
| transform | See ICanvasElement. | 
| Equals | Does the passed rebuilder point to the same CanvasElement. | 
| GraphicUpdateComplete | See ICanvasElement.GraphicUpdateComplete. | 
| IsDestroyed | Has the native representation of this LayoutRebuilder been destroyed? | 
| LayoutComplete | See ICanvasElement.LayoutComplete. | 
| Rebuild | See ICanvasElement.Rebuild. | 
| ForceRebuildLayoutImmediate | Forces an immediate rebuild of the layout element and child layout elements affected by the calculations. | 
| MarkLayoutForRebuild | Mark the given RectTransform as needing it's layout to be recalculated during the next layout pass. |