final class YourAPI: DataNetService, NetServiceProtocol {

    var timeout: TimeInterval {
        30
    }
    
    var authorization: NetServiceBuilder.Authorization {
        return .none
    }
    
    var encoding: ParameterEncoding {
        return URLEncoding.default
    }
    
    var credential: URLCredential? {
        return nil
    }
    
    func httpHeaders() -> [String : String] {
        [:]
    }
    
    func httpParameters() -> [String : Any] {
        [:]
    }
    
    func httpBuilderHelper(builder: NetServiceBuilder) -> NetServiceBuilder {
        return builder
    }
    
    var urlString: String {
        return _urlString
        
    }
    
    var httpMethod: NetBuilders.Method {
        return _method
    }
    
    // above code is conforms to NetServiceProtocol protocol
    
    private var _urlString: String
    
    private var _method: NetBuilders.Method = .GET
    
    init(with url: String) {
        _urlString = url
    }
    
    func setMethod(method: NetBuilders.Method) -> Self {
        _method = method
        return self
    }
}

let urlString = "https://httpbin.org/get"
let api = YourAPI(with: urlString)
api.async { (request) in
    let response = request.response
    request
    ....
}

let urlString = "https://httpbin.org/get"
let api = YourAPI(with: urlString)
let response = api.sync().response
...

class DownloadAPI: DownloadNetService, NetServiceRequestProtocol {
    
    var urlString: String {
        return _urlString
    }
    
    func httpHeaders() -> [String : String] {
        return _parameters
    }
    
    func httpParameters() -> [String : Any] {
        return _headers
    }
    
    ....
    
    // Above Code is conforms to NetServiceRequestProtocol
    
    private var _urlString = ""
    
    private var _parameters: [String: Any] = [:]
    
    private var _headers: [String: String] = [:]
    
    init(with url: String, parameters: [String: Any] = [:]) {
        _urlString = url
        _parameters = parameters
    }
    
    init(with url: String, headers: [String: String]) {
        _urlString = url
        _headers = headers
    }
    
}

let fielURL = ... // donwload file save url
let destination: DestinationClosure = {_, _ in fielURL } // config download file position
let numberOfLines = 100
let urlString = "https://httpbin.org/stream/\(numberOfLines)"
let downloadProgresssView: UIProgressView = ....
DownloadAPI(with: urlString).download(progress: { (progress) in
   downloadProgresssView.progress = Float(progress.fractionCompleted)
}, to: destination) { (request) in
   let downloadFileURL = request.response.downloadFileURL
   print(downloadFileURL)
}

class BaseUploadManager: UploadNetService, NetServiceRequestProtocol {

   ...  
    
    var urlString: String {
        return _urlString
    }
    
    // Above Code is conforms to NetServiceRequestProtocol
    
    var _urlString: String = ""
    
    init(with url: String) {
        _urlString = url
    }
}

let urlString = "https://httpbin.org/post"
let bundle = Bundle(for: BaseTestCase.self)
let imageURL = bundle.url(forResource: "rainbow", withExtension: "jpg")!
let uplodProgressView: UIProgressView = ...
UploadAPI(with: urlString).upload(file: imageURL) { (progress: Progress) in
    uplodProgressView.progress = Fload(progress.fractionCompleted)
} completion: { (request) in
    res = request.response
    if let responseString = res?.responseString {
        print(responseString)
    }
}