fn apply_transform_variations(
component: &VarcComponent<'_>,
coords: &[F2Dot14],
transform: &mut DecomposedTransform,
scalar_cache: &mut ScalarCache<'_>,
scratch: &mut Scratch<'_>,
store_regions: Option<(&MultiItemVariationStore<'_>, &SparseVariationRegionList<'_>)>,
) -> Result<(), Error>