use crate::pack; impl pack::Bundle {    /// Find an object with the given [`ObjectId`][git_hash::ObjectId] and place its data into `out`.    ///    /// [`cache`][pack::cache::DecodeEntry] is used to accelerate the lookup.    ///    /// **Note** that ref deltas are automatically resolved within this pack only, which makes this implementation unusable    /// for thin packs, which by now are expected to be resolved already.    pub fn locate<'a>(        &self,        id: impl AsRef<git_hash::oid>,        out: &'a mut Vec<u8>,        cache: &mut impl pack::cache::DecodeEntry,    ) -> Result<Option<crate::borrowed::Object<'a>>, pack::data::decode::Error> {        let idx = match self.index.lookup(id) {            Some(idx) => idx,            None => return Ok(None),        };        self.internal_get_object_by_index(idx, out, cache).map(Some)    }     /// Internal-use function to look up an object index. Used to avoid double-lookups in    /// compound::Db::locate. (The polonius borrow-checker would support this via the locate    /// function, so this can be [simplified](https://github.com/Byron/gitoxide/blob/0c5f4043da4615820cb180804a81c2d4fe75fe5e/git-odb/src/compound/locate.rs#L47)    /// once polonius is stable.)    pub(crate) fn internal_locate_index(&self, id: &git_hash::oid) -> Option<u32> {        self.index.lookup(id)    }     /// Internal-use function to get an object given an index previously returned from    /// internal_locate_index.    pub(crate) fn internal_get_object_by_index<'a>(        &self,        idx: u32,        out: &'a mut Vec<u8>,        cache: &mut impl pack::cache::DecodeEntry,    ) -> Result<crate::borrowed::Object<'a>, pack::data::decode::Error> {        let ofs = self.index.pack_offset_at_index(idx);        let pack_entry = self.pack.entry(ofs);        self.pack            .decode_entry(                pack_entry,                out,                |id, _out| {                    self.index.lookup(id).map(|idx| {                        pack::data::decode::ResolvedBase::InPack(self.pack.entry(self.index.pack_offset_at_index(idx)))                    })                },                cache,            )            .map(move |r| crate::borrowed::Object {                kind: r.kind,                data: out.as_slice(),            })    }}