public LienzoPanel add(final Layer layer, final Layer... layers)
    {
        add(layer);

        for (final Layer node : layers)
        {
            add(node);
        }
        return this;
    }
public LienzoPanel add ( final Layer layer , final Layer ... layers ) { add ( layer ) ; for ( final Layer node : layers ) { add ( node ) ; } return this ; }
Adds a layer to the {@link LienzoPanel}.
It should be noted that this action will cause a {@link Layer} draw operation, painting all children in the Layer.

@param layer
@return