@Override
	protected FGPrimaryViewer createPrimaryGraphViewer(VisualGraphLayout<FGVertex, FGEdge> layout,
			Dimension viewerSize) {
		return new FGPrimaryViewer(this, layout, viewerSize);
	}
A somewhat arbitrary value that is used to signal a 'big' graph, which is one that will
slow down the system during the rendering process.
Ghidra/Features/FunctionGraph/src/main/java/ghidra/app/plugin/core/functiongraph/graph/FGComponent.java