docs: public static <V extends FeatureVector<?>> VectorFieldTypeInformation<V> assumeVectorField(Relation<V> relation) {
      try {
        return ((VectorFieldTypeInformation<V>) relation.getDataTypeInformation());
      }
      catch(Exception e) {
        throw new UnsupportedOperationException("Expected a vector field, got type information: " + relation.getDataTypeInformation().toString(), e);
      }
    }