private void initialize() {
		try {
			populateBuiltInTypes();
		}
		catch (Throwable t) {
			Msg.showError(this, null, "Error", "Error populating Built In Data Types", t);
		}
		ClassSearcher.addChangeListener(classSearcherListener);
	}
Refresh the list of Built-In data types found by searching the class path.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/data/BuiltInDataTypeManager.java