#![allow(missing_docs)]use std::cell::{Ref, RefMut}; use git_ref::file; use crate::{    easy,    easy::{borrow, PackCache},}; impl Clone for easy::State {    fn clone(&self) -> Self {        easy::State { ..Default::default() }    }} impl easy::State {    pub(crate) fn assure_packed_refs_uptodate(        &self,        file: &file::Store,    ) -> Result<Ref<'_, easy::reference::packed::ModifieablePackedRefsBuffer>, easy::reference::packed::Error> {        let mut packed_refs = self.packed_refs.try_borrow_mut()?;        packed_refs.assure_packed_refs_uptodate(file)?;        drop(packed_refs);        Ok(self.packed_refs.try_borrow()?)    }     #[inline]    pub(crate) fn try_borrow_mut_pack_cache(&self) -> Result<RefMut<'_, PackCache>, borrow::state::Error> {        self.pack_cache.try_borrow_mut().map_err(Into::into)    }     #[inline]    pub(crate) fn try_borrow_mut_buf(&self) -> Result<RefMut<'_, Vec<u8>>, borrow::state::Error> {        self.buf.try_borrow_mut().map_err(Into::into)    }     #[inline]    pub(crate) fn try_borrow_buf(&self) -> Result<Ref<'_, Vec<u8>>, borrow::state::Error> {        self.buf.try_borrow().map_err(Into::into)    }}