use bstr::{BStr, ByteSlice}; use crate::{extension, Entry, State, Version}; impl State {    pub fn version(&self) -> Version {        self.version    }     pub fn entries(&self) -> &[Entry] {        &self.entries    }    pub fn entries_mut(&mut self) -> &mut [Entry] {        &mut self.entries    }    pub fn entries_mut_with_paths(&mut self) -> impl Iterator<Item = (&mut Entry, &BStr)> {        let paths = &self.path_backing;        self.entries.iter_mut().map(move |e| {            let path = (&paths[e.path.clone()]).as_bstr();            (e, path)        })    }    pub fn tree(&self) -> Option<&extension::Tree> {        self.tree.as_ref()    }    pub fn link(&self) -> Option<&extension::Link> {        self.link.as_ref()    }    pub fn resolve_undo(&self) -> Option<&extension::resolve_undo::Paths> {        self.resolve_undo.as_ref()    }    pub fn untracked(&self) -> Option<&extension::UntrackedCache> {        self.untracked.as_ref()    }    pub fn fs_monitor(&self) -> Option<&extension::FsMonitor> {        self.fs_monitor.as_ref()    }}