text: "use strict";
  
  var _FIRST_INTERNAL_ID = 0xFFFE0000;
  
  var _next_available_id = _FIRST_INTERNAL_ID;
  exports.generate_new_id = function () {
      _next_available_id += 1;
      return _next_available_id;
  };
  
  exports.next_available_id = function () {
      return -1;
  };
  exports.is_internal_id = function (value) {
      return value >= _FIRST_INTERNAL_ID;
  };
  
  
  