Function liboskar::walk_parallel::single_threaded::read_size

pub fn read_size(
    in_paths: &PathBuf, 
    excludes: Option<&Regex>, 
    maybe_gitignore: &Option<RegexSet>, 
    vimtags: bool, 
    artifacts_only: bool
) -> FileSize

Function to process directory contents and return a FileTree struct.