private List<FlowArrow> getArrowsAtSameDepth(FlowArrow jump, List<FlowArrow> allArrows) {

		List<FlowArrow> results = new ArrayList<>();
		for (FlowArrow otherArrows : allArrows) {
			if (jump == otherArrows) {
				continue;
			}

			if (sharesEndpoint(jump, otherArrows)) {
				results.add(otherArrows);
			}
		}

		return results;
	}
Iterate over each other FlowArrow object to check overlaps

@return FlowArrow objects that have a start/end address in common
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/flowarrow/FlowArrowPlugin.java