def channel_names(self) -> List[str]:
        """
        Get all of the supported channels available for the views.

        This can be arbitrary, but there are some standard names:
        "R", "G", "B", "A" (alpha), and "D" (depth).
        """

        Get all of the supported channels available for the views.

        This can be arbitrary, but there are some standard names:
        "R", "G", "B", "A" (alpha), and "D" (depth).
        
shap_e/rendering/view_data.py