registerAnnotationHandler(new AdjacencyAnnotationHandler());
registerAnnotationHandler(new IncidenceAnnotationHandler());
registerAnnotationHandler(new DomainAnnotationHandler());
registerAnnotationHandler(new RangeAnnotationHandler());
registerAnnotationHandler(new InVertexAnnotationHandler());
registerAnnotationHandler(new OutVertexAnnotationHandler());
registerAnnotationHandler(new GremlinGroovyAnnotationHandler());
}