 
   @available(*, unavailable, renamed: "maximumLengthOfBytes(using:)")
   public
-  func maximumLengthOfBytesUsingEncoding(_ encoding: Encoding) -> Int {
+  func maximumLengthOfBytesUsingEncoding(_ encoding: String.Encoding) -> Int {
     fatalError("unavailable function can't be called")
   }
 


  @available(*, unavailable, renamed: "commonPrefix(with:options:)")
  public func commonPrefixWith(
    _ aString: String, options: CompareOptions) -> String {
    fatalError("unavailable function can't be called")
  }


  @available(*, unavailable, renamed: "rangeOfCharacter(from:options:range:)")
  public func rangeOfCharacterFrom(
    _ aSet: CharacterSet,
    options mask: String.CompareOptions = [],
    range aRange: Range<Index>? = nil
  ) -> Range<Index>? {
    fatalError("unavailable function can't be called")
