public void setY1(final double y1) {
    getRealizer(m_edge).setSourcePoint(new YPoint(getX1(), y1));
  }
Returns the raw edge that was passed into the constructor.

@return The raw edge.
java/zylib/src/main/java/com/google/security/zynamics/zylib/yfileswrap/gui/zygraph/edges/ZyGraphEdge.java