removeAllChildren method
Removes all of this layer's children from its child list.
Implementation
void removeAllChildren() {
assert(!_debugMutationsLocked);
Layer? child = firstChild;
while (child != null) {
final Layer? next = child.nextSibling;
child._previousSibling = null;
child._nextSibling = null;
assert(child.attached == attached);
_dropChild(child);
child._parentHandle.layer = null;
child = next;
}
_firstChild = null;
_lastChild = null;
}