return null;
}
public Path toPath(Object value, Class<?> sourceType) {
if (Node.class.isAssignableFrom(sourceType)) return new NodePath((Node) value);
if (Relationship.class.isAssignableFrom(sourceType)) return new RelationshipPath((Relationship) value);
if (Path.class.isAssignableFrom(sourceType)) return (Path) value;
return null;
}