@Override
    public VisitorSession createVisitorSession(VisitorParameters parameters) throws ParseException {
        return delegate().createVisitorSession(parameters);
    }
Wraps a lazily initialised {@link DocumentAccess}. Lazy to allow it to always be set up.
Inject this class directly (instead of DocumentAccess) for use in internal code.

@author jonmv
container-core/src/main/java/com/yahoo/container/core/documentapi/VespaDocumentAccess.java