docs: public Clustering<SubspaceModel> run(Database db, Relation<V> relation) {
      if(mu >= relation.size()) {
        throw new AbortException("Parameter mu is chosen unreasonably large. This won't yield meaningful results.");
      }
      DiSHClusterOrder opticsResult = new Instance(db, relation).run();
  
      if(LOG.isVerbose()) {
        LOG.verbose("Compute Clusters.");
      }
      return computeClusters(relation, opticsResult);
    }