class_docstr: Abstracts task-specific pipeline assumptions. 
class_docstr_tok: ["Abstracts","task-specific","pipeline","assumptions","."]
docstr: Returns alternatives of PipelineBuilders for core processing (without preprocessing). 
docstr_tok: ["Returns","alternatives","of","PipelineBuilders","for","core","processing","(","without","preprocessing",")","."]
code: def processing_builders(self) -> List[PipelineBuilder]:
      """Returns alternatives of PipelineBuilders for core processing (without preprocessing)."""
      raise AbstractMethodNotImplementError
  
imports: from abc import abstractmethod
  from typing import List
  from fedot.api.api_utils.assumptions.operations_filter import OperationsFilter
  from fedot.core.pipelines.pipeline_builder import PipelineBuilder
  from fedot.core.repository.operation_types_repository import OperationTypesRepository
  from fedot.core.repository.tasks import Task, TaskTypesEnum
  from fedot.utilities.custom_errors import AbstractMethodNotImplementError
label_desc: Use image node_id 4 for calling the TaskAssumptions obj's underlying member method code with example usage: obj.processing_builders() without return types