exporter.dot

digraph exporter{
  node [shape="record", fontname="Consolas", fontsize=10];
  edge [color="black", fontname="Consolas", fontsize=10];

  Component [label="{Component|+ render() : String }"]
  Exporter [label="{Exporter|+ export() : String }"] 
  Image [label="{Image|+ render() : String }"]
  Label [label="{Label|+ render() : String }"]

  edge [arrowhead="none", headlabel="0..*"];
  Exporter -> Component;

  edge [arrowhead="empty", headlabel=""];
  Component -> Image;
  Component -> Label;
}