text: from ._base import DecodeSpotsAlgorithm
  from .check_all_decoder import CheckAll
  from .metric_decoder import MetricDistance
  from .per_round_max_channel_decoder import PerRoundMaxChannel
  from .simple_lookup_decoder import SimpleLookupDecoder
  
  # autodoc's automodule directive only captures the modules explicitly listed in __all__.
  __all__ = list(set(
      implementation_name
      for implementation_name, implementation_cls in locals().items()
      if isinstance(implementation_cls, type) and issubclass(implementation_cls, DecodeSpotsAlgorithm)
  ))
  