To be implemented by Components which walks up the component tree until a Page or Panel and tries to find a component with a matching wicket id if the component itself does not contain it.
Note: MarkupContainer.isTransparent() in combination with ParentResolver tries to resolve the wicket id with the parent only and shall be used to implement transparent containers.
@see org.apache.wicket.markup.resolver.ScopedComponentResolver
@see org.apache.wicket.MarkupContainer#isTransparentResolver()
@see org.apache.wicket.markup.resolver.ParentResolver
@author Christian Essl
@author Juergen Donnerstag