text: from typing import Optional
  
  from .typing import EstimatorType
  from .typing import RandomStateType
  
  
  class OneVsOneClassifier:
      def __init__(self, estimator: EstimatorType, n_jobs: Optional[int] = None):
          ...
  
  
  class OneVsRestClassifier:
      def __init__(self, estimator: EstimatorType, n_jobs: Optional[int] = None):
          ...
  
  
  class OutputCodeClassifier:
      def __init__(
          self,
          estimator: EstimatorType,
          code_size: float = 1.5,
          random_state: RandomStateType = None,
          n_jobs: Optional[int] = None,
      ):
          ...
  