@Override
  public void addListener(final IZyNodeRealizerListener<? extends ZyGraphNode<?>> listener) {
    // Do nothing
  }
Creates a new node realizer.

@param content Content of the realizer.
java/zylib/src/main/java/com/google/security/zynamics/zylib/yfileswrap/gui/zygraph/realizers/ZyProximityNodeRealizer.java