VisualStyleFactory visualStyleFactory = (VisualStyleFactory)getService(bc, org.cytoscape.view.vizmap.VisualStyleFactory.class);
VisualMappingManager visualMappingMgr = (VisualMappingManager)getService(bc, org.cytoscape.view.vizmap.VisualMappingManager.class);
VisualMappingFunctionFactory discreteMappingFactory = (VisualMappingFunctionFactory)getService(bc, org.cytoscape.view.vizmap.VisualMappingFunctionFactory.class, "(mapping.type=discrete)");
VisualMappingFunctionFactory continuousMappingFactory = (VisualMappingFunctionFactory)getService(bc, org.cytoscape.view.vizmap.VisualMappingFunctionFactory.class, "(mapping.type=continuous)");
CyTableFactory cyDataTableFactoryServiceRef = getService(bc,CyTableFactory.class);
MapTableToNetworkTablesTaskFactory mapNetworkAttrTFServiceRef = getService(bc,MapTableToNetworkTablesTaskFactory.class);
FileUtil fileUtil = (FileUtil)getService(bc, org.cytoscape.util.swing.FileUtil.class);
OpenBrowser openBrowser = (OpenBrowser)getService(bc, org.cytoscape.util.swing.OpenBrowser.class);
CyEventHelper eventHelper = (CyEventHelper)getService(bc, org.cytoscape.event.CyEventHelper.class);