import Foundation // This is workaround for https://bugs.swift.org/browse/SR-5971 // Can be removed when // https://github.com/apple/swift-corelibs-foundation/pull/1471 is merged internal extension CharacterSet { init(safeCharactersIn string: String) { #if os(Linux) self.init() insert(charactersIn: string) #else self.init(charactersIn: string) #endif } }