scufl_graph cluster_sources Workflow Inputs cluster_sinks Workflow Outputs GeneIlluminator_GetClusters GeneIlluminator_GetClusters WORKFLOWINTERNALSINK_Clusters Clusters GeneIlluminator_GetClusters->WORKFLOWINTERNALSINK_Clusters Object Object Object->GeneIlluminator_GetClusters WORKFLOWINTERNALSOURCECONTROL WORKFLOWINTERNALSOURCE_GeneSymbol GeneSymbol WORKFLOWINTERNALSOURCE_GeneSymbol->Object WORKFLOWINTERNALSINKCONTROL