pub fn diff_objs(
config: &DiffObjConfig,
left: Option<&ObjInfo>,
right: Option<&ObjInfo>,
prev: Option<&ObjInfo>,
) -> Result<DiffObjsResult>
pub fn diff_objs(
config: &DiffObjConfig,
left: Option<&ObjInfo>,
right: Option<&ObjInfo>,
prev: Option<&ObjInfo>,
) -> Result<DiffObjsResult>