     ///   - size: Width and height of generated image
     ///   - correctionLevel: Amount of excess information
     /// - Returns: UIImage with QR code
-    static func generate(forString qrString: String, withSize size: CGFloat = 200.0, correctionLevel: CNLQRCodeCorrectionLevel = .percent25) -> UIImage? {
+    public static func generate(forString qrString: String, withSize size: CGFloat = 200.0, correctionLevel: CNLQRCodeCorrectionLevel = .percent25) -> UIImage? {
         if let stringData = qrString.data(using: String.Encoding.utf8), let qrFilter = CIFilter(name:"CIQRCodeGenerator") {
             qrFilter.setValue(stringData, forKey: "inputMessage")
             qrFilter.setValue(correctionLevel.rawValue, forKey: "inputCorrectionLevel")

}

/// Class for generation QR code
struct CNLQRCodeGenerator {
    
    ///  Generates UIImage with QR code of the string with specified size and correction level
    ///

import UIKit

/// Amount of excess information
public enum CNLQRCodeCorrectionLevel: String {
    case percent7 = "L"
    case percent15 = "M"
    case percent25 = "Q"
