def METHOD_NAME():
    output_map = dict(
        composite_transform=dict(
            extensions=None,
        ),
        elapsed_time=dict(),
        forward_invert_flags=dict(),
        forward_transforms=dict(),
        inverse_composite_transform=dict(
            extensions=None,
        ),
        inverse_warped_image=dict(
            extensions=None,
        ),
        metric_value=dict(),
        reverse_forward_invert_flags=dict(),
        reverse_forward_transforms=dict(),
        reverse_invert_flags=dict(),
        reverse_transforms=dict(),
        save_state=dict(
            extensions=None,
        ),
        warped_image=dict(
            extensions=None,
        ),
    )
    outputs = Registration.output_spec()
    for key, metadata in list(output_map.items()):
        for metakey, value in list(metadata.items()):
            assert getattr(outputs.traits()[key], metakey) == value