pub fn read_persistent_fragment_logs_from_file_path(
entries: impl Iterator<Item = PathBuf>
) -> Result<impl Iterator<Item = Result<PersistentFragmentLog, DeserializeError>>>
pub fn read_persistent_fragment_logs_from_file_path(
entries: impl Iterator<Item = PathBuf>
) -> Result<impl Iterator<Item = Result<PersistentFragmentLog, DeserializeError>>>