public SatelliteGraphViewer<V, E> getSatelliteViewer() {
		return graphComponent.getSatelliteViewer();
	}
Returns the primary viewer of the graph (as opposed to the satellite viewer).   The
viewer returned is responsible for maintaining view information for a given graph.

@return the primary viewer
Ghidra/Framework/Graph/src/main/java/ghidra/graph/viewer/VisualGraphView.java