@Override
	public Category createCategory(CategoryPath path) {
		if (path != CategoryPath.ROOT) {
			throw new UnsupportedOperationException(
				"Built-in category limited to root category only");
		}
		return super.createCategory(path);
	}
Returns shared instance of built-in data type manager.
@return the manager
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/data/BuiltInDataTypeManager.java