@Override
  public NodeRealizer getRealizer() {
    return this;
  }
Returns the node content that is displayed by the realizer.

@return The node content that is displayed by the realizer.
java/zylib/src/main/java/com/google/security/zynamics/zylib/yfileswrap/gui/zygraph/realizers/ZyGroupNodeRealizer.java