class_docstr: The class defines the interface of nodes modifying tha data flow in the :class:`Pipeline`
  
  Args:
      operation_type: operation defined in the operation repository
      nodes_from: parent nodes where data comes from
      node_data: ``dict`` with :class:`InputData` for fit and predict stage
      kwargs: optional arguments (i.e. logger)
docstr: Sets node fitted operation with the provided ``value``
  
  Args:
      value: any model from the ``list`` of acceptable nodes for the chosen task and problem
docstr_tok: ["Sets","node","fitted","operation","with","the","provided","``","value","``","Args",":","value",":","any","model","from","the","``","list","``","of","acceptable","nodes","for","the","chosen","task","and","problem"]
code: def fitted_operation(self, value: Any):
      """Sets node fitted operation with the provided ``value``
  
      Args:
          value: any model from the ``list`` of acceptable nodes for the chosen task and problem
      """
  
      if value is None:
          if hasattr(self, "_fitted_operation"):
              del self._fitted_operation
      else:
          self._fitted_operation = value
  
imports: from __future__ import annotations
  from dataclasses import dataclass
  from typing import Any, List, Optional, Tuple, Union
  import numpy
  from golem.core.dag.linked_graph_node import LinkedGraphNode
  from golem.core.log import default_log
  from golem.core.optimisers.timer import Timer
  from golem.serializers.serializer import register_serializable
  from fedot.core.data.data import InputData, OutputData
  from fedot.core.data.merge.data_merger import DataMerger
  from fedot.core.operations.factory import OperationFactory
  from fedot.core.operations.operation import Operation
  from fedot.core.operations.operation_parameters import OperationParameters
  from fedot.core.repository.operation_types_repository import OperationTypesRepository
  from fedot.core.utils import DEFAULT_PARAMS_STUB, NESTED_PARAMS_LABEL
label_desc: Use image node_id 10 for calling the PipelineNode obj's underlying member method code with example usage: obj.fitted_operation(value) without return types