private static String incrementWeightStringValue(String value) {
		int weight = Integer.parseInt(value);
		weight++;
		return Integer.toString(weight);
	}
Returns the vertex with the given vertex id
@param vertexId the id of the vertex to retrieve
@return  the vertex with the given vertex id or null if none found
Ghidra/Framework/Graph/src/main/java/ghidra/service/graph/AttributedGraph.java