text: """
  Meta-estimators for building composite models.
  """
  from .blacklist import Blacklister
  from .func import FuncTransformer
  from .pipeline import Pipeline
  from .target_modifier import TargetModifierRegressor
  from .target_modifier import BoxCoxTransformRegressor
  from .union import TransformerUnion
  from .split import SplitRegressor
  from .whitelist import Whitelister
  
  
  __all__ = [
      'Blacklister',
      'BoxCoxTransformRegressor',
      'FuncTransformer',
      'Pipeline',
      'SplitRegressor',
      'TargetModifierRegressor',
      'TransformerUnion',
      'Whitelister'
  ]
  