public void addPath(final double x, final double y) {
    getRealizer(m_edge).addPoint(x, y);
  }
Returns the {@code ZyEdgeRealizer} bound to the given edge.

@param edge the edge to get the realizer for
@return the {@code ZyEdgeRealizer} bound to {@code edge}
@throws IllegalStateException if the node does not have a realizer
java/zylib/src/main/java/com/google/security/zynamics/zylib/yfileswrap/gui/zygraph/edges/ZyGraphEdge.java