txn.debug_inodes();
        txn.debug_tree_print();
        txn.debug_revtree_print();

    fn debug_tree_print(&self) {
        let root = OwnedPathId {
            parent_inode: Inode::ROOT,
            basename: SmallString::from_str(""),
        };
        for t in self.iter_tree(root, None) {
            debug!("{:?}", t)
        }
    }
    #[doc(hidden)]

    #[doc(hidden)]
    fn debug_revtree_print(&self) {
        for t in self.iter_revtree(Inode::ROOT, None) {
            debug!("{:?}", t)
        }
    }

    #[doc(hidden)]
    fn replace_inodes(
        &mut self,
        inode: Inode,
        header: Position<ChangeId>,
    ) -> Result<bool, anyhow::Error> {
        self.del_inodes(inode, None)?;
        Ok(self.put_inodes(inode, header)?)
    }

    fn replace_revinodes(
        &mut self,
        key: Position<ChangeId>,
        inode: Inode,
    ) -> Result<bool, anyhow::Error> {
        self.del_revinodes(key, None)?;
        Ok(self.put_revinodes(key, inode)?)
    }
    #[doc(hidden)]
    fn replace_inodes_with_rev(
        &mut self,
        inode: Inode,
        position: Position<ChangeId>,
    ) -> Result<(), anyhow::Error> {
        self.del_inodes(inode, None)?;
        self.del_revinodes(position, None)?;
        self.put_inodes_with_rev(inode, position)?;
        Ok(())
    }
    #[doc(hidden)]