investigators.add(new DistinctAttributeValues(selector));
investigators.add(new DistinctAttributeValueStrings(selector));
investigators.add(new DistinctContainments(selector));
investigators.add(new DistinctReferences(selector));
investigators.add(new DistinctSupertypes(selector));
investigators.add(new DistinctTypes(selector));
investigators.add(new ElementsCount(selector));
investigators.add(new MaxDegreeAttributes(selector));
investigators.add(new MaxDegreeContainments(selector));
investigators.add(new MaxDegreeReferences(selector));
investigators.add(new MaxDegreeReferencesWithoutContainments(selector));