@Override
  public void removeListener(final IViewNodeListener listener) {
    Preconditions.checkNotNull(listener, "Error: Listener argument can not be null");
    m_listeners.removeListener(listener);
  }
Adds an outgoing edge to the node.

@param edge The new outgoing edge.
java/zylib/src/main/java/com/google/security/zynamics/zylib/gui/zygraph/nodes/CViewNode.java