protected void copyAll(DirectedGraph copy) {
		GraphIterator<Vertex> iter1 = this.vertexIterator();
		while (iter1.hasNext()) {
			Vertex v = iter1.next();
			//copyVertex( v, copy );
			copy.add(v);
		}
		CopyVertexAttributes(copy);
		GraphIterator<Edge> iter2 = this.edgeIterator();
		while (iter2.hasNext()) {
			Edge e = iter2.next();
			//copyEdge( e, copy );
			copy.add(e);
		}
		CopyEdgeAttributes(copy);
	}
Copies all attributes from the indicated directed graph to this one.
@param copy the directed graph to copy from.
Ghidra/Framework/Generic/src/main/java/ghidra/util/graph/DirectedGraph.java