public void setIndirectEdges(Set<FcgEdge> indirectEdges) {
		this.indirectEdges = CollectionUtils.asSet(indirectEdges);
	}
Sets indirect edges--those edges that are not a direct link between the source 
vertices and the newly added vertices
@param indirectEdges the edges
Ghidra/Features/GraphFunctionCalls/src/main/java/functioncalls/graph/job/FcgExpandingVertexCollection.java