downloadSourceArchive(package:version:destinationPath:progressHandler:timeout:fileSystem:observabilityScope:callbackQueue:)

RegistryClient.swift:1044
func downloadSourceArchive(package: PackageIdentity, version: Version, destinationPath: AbsolutePath, progressHandler: ((Int64, Int64?) -> Void)?, timeout: DispatchTimeInterval? = .none, fileSystem: any FileSystem, observabilityScope: ObservabilityScope, callbackQueue: DispatchQueue) async throws