private static synchronized Set<String> initialize() {
		Set<String> set = loadFromSavedState();
		if (set == null) {
			set = loadDefaultPaths();
		}
		return set;
	}
Resets the library search path to the default values
Ghidra/Features/Base/src/main/java/ghidra/app/util/importer/LibrarySearchPathManager.java