code: public static void writeStart(String name, PrintWriter writer) {
          StringBuilder sb = new StringBuilder();
          sb.append("<graph xmlns='http://www.cs.rpi.edu/XGMML' ")
                  .append("xmlns:ns2='http://www.w3.org/1999/xlink' ")
                  .append("xmlns:cy='http://www.cytoscape.org' ")
                  .append("Graphic='1' label='").append(name)
                  .append("' directed='1'>\n");
          writer.write(sb.toString());
      }
docs: Write the XGMML start using the {@code graphName} as the label.
  
  @param name {@link String}, the name of the XGMML graph
  @param writer {@link PrintWriter}, the writer