def __init__(self) -> None:
        """Initializes the SymNegCosineSimilarityLoss module.

        Note:
            SymNegCosineSimilarityLoss will be deprecated in favor of NegativeCosineSimilarity in the future.
        """
        super().__init__()
        warnings.warn(
            Warning(
                "SymNegCosineSimiliarityLoss will be deprecated in favor of "
                + "NegativeCosineSimilarity in the future."
            ),
            DeprecationWarning,
        )
Initializes the SymNegCosineSimilarityLoss module.

        Note:
            SymNegCosineSimilarityLoss will be deprecated in favor of NegativeCosineSimilarity in the future.
        
lightly/loss/sym_neg_cos_sim_loss.py