private int getIndexOfFirstSingleColon(String string) {

		// replace all :: with something else so can isolate :'s 
		String testString = new String(string);
		testString = testString.replace("::", "xx");

		return testString.indexOf(":", 0);

	}
Method to create a graph using pre-configured information found in class structure 
descriptions.
@return the newly created graph
Ghidra/Features/Base/ghidra_scripts/GraphClassesScript.java