pub fn load_file(
file: PathBuf,
entrypoint: &str,
config: LoadingConfig
) -> LoadingResult<(Arc<dyn PackageInfo>, Arc<Collection>)>
pub fn load_file(
file: PathBuf,
entrypoint: &str,
config: LoadingConfig
) -> LoadingResult<(Arc<dyn PackageInfo>, Arc<Collection>)>