class_docstr: Sets a field in the dictionary with the given value.
  
  Parameters
  ----------
  output_field
      Name of the field that will be set
  value
      Value to be set
code: def __init__(self, output_field: str, value: Any) -> None:
      self.output_field = output_field
      self.value = value
  
imports: from collections import Counter
  from typing import Any, Dict, List
  from gluonts.core.component import validated
  from gluonts.dataset.common import DataEntry
  from ._base import MapTransformation, SimpleTransformation
label_desc: Use image node_id 1 to create a new SetField object from inherited base classes: SimpleTransformation with example: obj = SetField(output_field, value)