     typealias ResultType = UInt8
     func extractModeCodes(string: String) -> (codes: [UInt8], text: String) {
         let token = ControlCode.CSI
-        
         var index = string.index(string.startIndex, offsetBy: token.characters.count)
         var codesString = ""
         while string.characters[index] != "m" {

            }
            
            codes.append(codesString)
            //            index = index.successor()
            outer = String(string.characters[index])
        }
        

        }
        
        let codes = codesString.characters.split(separator: ";", maxSplits: Int.max, omittingEmptySubsequences: false).flatMap { UInt8(String($0)) }
        let startIndex = index
        
        let endIndex = string.index(string.endIndex, offsetBy: -"\(token)0m".characters.count)
