updatePrevSibling method
Implementation
void updatePrevSibling(Element? prevSibling) {
assert(_lifecycleState == _ElementLifecycle.active);
assert(_component != null);
assert(_parent != null);
assert(_parent!._lifecycleState == _ElementLifecycle.active);
assert(_depth != null);
assert(_parentRenderObjectElement != null);
_prevSibling = prevSibling;
_updateAncestorSiblingRecursively(_parentChanged);
_parentChanged = false;
}