module JSON::TruffleRuby::Generator::GeneratorMethods::String

def self.included(modul)

Extends _modul_ with the String::Extend module. 
def self.included(modul)
  modul.extend Extend
end

def to_json(state = nil, *args)

\u????.
returns a JSON string encoded with UTF16 big endian characters as
This string should be encoded with UTF-8 A call to this method 
def to_json(state = nil, *args)
  state = State.from_state(state)
  if encoding == ::Encoding::UTF_8
    unless valid_encoding?
      raise GeneratorError.new("source sequence is illegal/malformed utf-8", self)
    end
    string = self
  else
    string = encode(::Encoding::UTF_8)
  end
  if state.ascii_only?
    %("#{JSON::TruffleRuby::Generator.utf8_to_json_ascii(string, state.script_safe)}")
  else
    %("#{JSON::TruffleRuby::Generator.utf8_to_json(string, state.script_safe)}")
  end
rescue Encoding::UndefinedConversionError => error
  raise ::JSON::GeneratorError.new(error.message, self)
end

def to_json_raw(*args)

a call to to_json_raw_object of this String.
This method creates a JSON text from the result of 
def to_json_raw(*args)
  to_json_raw_object.to_json(*args)
end

def to_json_raw_object

instead of UTF-8 strings, e. g. binary data.
method should be used, if you want to convert raw strings to JSON
other data structures and will be unparsed as a raw string. This
This method creates a raw object hash, that can be nested into 
def to_json_raw_object
  {
    JSON.create_id  => self.class.name,
    'raw'           => self.unpack('C*'),
  }
end