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d S )�TransformVisitoraP A visitor for handling transforms.
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will take care of the rest, walking the tree and running the
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Based on its usage in AstroidManager.brain, it should not be reinstantiated.
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�tuple�strr% )r r s ` r r z TransformVisitor._visit_generic; s� �� � �d�D� !� !� B�A�A�A�A�D�A�A�A� A� �d�E� "� "� G��F�F�F�F��F�F�F�F�F� F�� �z�$��,�,� ��K��{�{�4� � � r N�Nonec �J � | j | � ||f� � dS )a7 Register `transform(node)` function to be applied on the given
astroid's `node_class` if `predicate` is None or returns true
when called with the node as argument.
The transform function may return a value which is then used to
substitute the original node in the tree.
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node_class� transformr s r �register_transformz#TransformVisitor.register_transformE s* � �
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�#�*�*�I�y�+A�B�B�B�B�Br c �J � | j | � ||f� � dS )z Unregister the given transform.N)r �remover6 s r �unregister_transformz%TransformVisitor.unregister_transformO s( � � ��
�#�*�*�I�y�+A�B�B�B�B�Br c �, � | � |� � S )z�Walk the given astroid *tree* and transform each encountered node.
Only the nodes which have transforms registered will actually
be replaced or changed.
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