sooop

import Foundation

class StreamReader {
    let encoding: String.Encoding
    let chunkSize: Int
    let fileHandle: FileHandle
    var buffer: Data
    let delimPattern : Data
    var isAtEOF: Bool = false
    

jeandavid

import UIKit

extension UIResponder {
    @objc 
    public var parentViewController: UIViewController? {
        return next as? UIViewController ?? next?.parentViewController
    }
}