public void setTooManyOutgoingReferences(boolean tooMany) {
		this.tooManyOutgoingReferences = tooMany;
		toggleOutsButton.setIcon(NOT_ALLOWED_ICON);
		toggleOutsButton.setToolTipText("Too many outgoing references to show");
		buildUi();
	}
Sets 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.

@param tooMany if there are too many references
Ghidra/Features/GraphFunctionCalls/src/main/java/functioncalls/graph/FcgVertexShapeProvider.java