bool resizerShouldNotify(element)

This method can be overridden to filter nested elements that should or should not be notified by the current element. Return true if an element should be notified, or false if it should not be notified. element: A candidate descendant element that

implements `IronResizableBehavior`.

Source

bool resizerShouldNotify(element) =>
    jsElement.callMethod('resizerShouldNotify', [element]);