old_contents: from .angle_based import * # noqa
  from .classification_based import * # noqa
  from .clustering_based import * # noqa
  from .density_based import * # noqa
  from .distance_based import * # noqa
  from .ensemble import * # noqa
  from .reconstruction_based import * # noqa
  from .statistical import * # noqa
  
  # TODO: Implement angle_based.ABOD class
  # TODO: Implement angle_based.LBABOD class
  # TODO: Implement angle_based.FastVOA class
  # TODO: Implement clustering_based.CBLOF class
  # TODO: Implement clustering_based.LDCOF class
  # TODO: Implement density_based.COF class
  # TODO: Implement density_based.LOCI class
  # TODO: Implement density_based.ALOCI class
  # TODO: Implement density_based.INFLO class
  # TODO: Implement density_based.LDF class
  # TODO: Implement density_based.LDOF class
  # TODO: Implement density_based.LoOP class
  # TODO: Implement density_based.KDEOS class
  # TODO: Implement distance_based.ROF class
  # TODO: Implement distance_based.IterativeSampling class
  # TODO: Implement ensemble.FBOD class
  # TODO: Implement statistical.KLIEP class
  # TODO: Implement statistical.ULSIF class
  
new_contents: from .angle_based import * # noqa
  from .classification_based import * # noqa
  from .clustering_based import * # noqa
  from .density_based import * # noqa
  from .distance_based import * # noqa
  from .ensemble import * # noqa
  from .reconstruction_based import * # noqa
  from .statistical import * # noqa
  
subject: remove comments