def _init_parameter_metadata(self):
        """
        Initialize metadata for k-means clustering for this layer type.
        The metadata is a dictionary from parameter name to a dictionary
        of metadata name and its value. This method should add the shape of
        the parameters as the metadata for each parameter which
        should be clustered.
        """

        Initialize metadata for k-means clustering for this layer type.
        The metadata is a dictionary from parameter name to a dictionary
        of metadata name and its value. This method should add the shape of
        the parameters as the metadata for each parameter which
        should be clustered.
        
coremltools/optimize/torch/_utils/k_means.py