Create a dictionary serialization for a prediction image set handle.

        Parameters
        ----------
        img_sets : PredictionImageSetHandle

        Returns
        -------
        dict
            Dictionary serialization of the resource

def to_dict(self, img_sets):
        """Create a dictionary serialization for a prediction image set handle.

        Parameters
        ----------
        img_sets : PredictionImageSetHandle

        Returns
        -------
        dict
            Dictionary serialization of the resource
        """
        # Get the basic Json object from the super class
        json_obj = super(DefaultPredictionImageSetManager, self).to_dict(img_sets)
        # Add list of image sets as Json array
        json_obj['images'] = [img_set.to_dict() for img_set in img_sets.images]
        return json_obj