neuron_explainer/activations/derived_scalars/multi_pass_scalar_deriver.py [131:160]:
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        return DerivedScalarTypeAndPassType(
            self.dst,
            self.pass_type,
        )

    @property
    @abstractmethod
    def sub_activation_location_type_and_pass_types(
        self,
    ) -> tuple[ActivationLocationTypeAndPassType, ...]:
        pass

    @property
    @abstractmethod
    def location_within_layer(self) -> LocationWithinLayer | None:
        pass

    @property
    def layer_index(self) -> LayerIndex:
        """Convenience method to get the single layer index associated with this ScalarSource, if such a single layer index
        exists. Throws an error if it does not."""
        assert isinstance(self.layer_indexer, StaticLayerIndexer), (
            self.layer_indexer,
            "ScalarSource.layer_index should only be called for ScalarSource StaticLayerIndexer",
        )
        return self.layer_indexer.layer_index

    @abstractmethod
    def derive_from_raw(
        self,
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neuron_explainer/activations/derived_scalars/scalar_deriver.py [59:88]:
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        return DerivedScalarTypeAndPassType(
            self.dst,
            self.pass_type,
        )

    @property
    @abstractmethod
    def sub_activation_location_type_and_pass_types(
        self,
    ) -> tuple[ActivationLocationTypeAndPassType, ...]:
        pass

    @property
    @abstractmethod
    def location_within_layer(self) -> LocationWithinLayer | None:
        pass

    @property
    def layer_index(self) -> LayerIndex:
        """Convenience method to get the single layer index associated with this ScalarSource, if such a single layer index
        exists. Throws an error if it does not."""
        assert isinstance(self.layer_indexer, StaticLayerIndexer), (
            self.layer_indexer,
            "ScalarSource.layer_index should only be called for ScalarSource StaticLayerIndexer",
        )
        return self.layer_indexer.layer_index

    @abstractmethod
    def derive_from_raw(
        self,
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