public boolean hasTooManyOutgoingReferences() {
		return fcgShapeProvider.hasTooManyOutgoingReferences();
	}
Returns whether this vertex has too many outgoing references, where too many is subjectively
defined by this class.  Too many nodes in the display would ruin rendering and general
usability.

@return true if there are too many references
Ghidra/Features/GraphFunctionCalls/src/main/java/functioncalls/graph/FcgVertex.java