text: 'use strict';
  
  // Load modules
  
  const Charset = require('./charset');
  const Encoding = require('./encoding');
  const Language = require('./language');
  const MediaType = require('./mediatype');
  
  
  // Declare internals
  
  const internals = {};
  
  
  exports.charset = Charset.charset;
  exports.charsets = Charset.charsets;
  
  exports.encoding = Encoding.encoding;
  exports.encodings = Encoding.encodings;
  
  exports.language = Language.language;
  exports.languages = Language.languages;
  
  exports.mediaTypes = MediaType.mediaTypes;
  
  exports.parseAll = function (requestHeaders) {
  
      return {
          charsets: Charset.charsets(requestHeaders['accept-charset']),
          encodings: Encoding.encodings(requestHeaders['accept-encoding']),
          languages: Language.languages(requestHeaders['accept-language']),
          mediaTypes: MediaType.mediaTypes(requestHeaders.accept)
      };
  };
  