code: function findCurrencySymbol(code, format) {
      var /** @type {?} */ currency = CURRENCIES[code] || {};
      var /** @type {?} */ symbol = currency[0] || code;
      return format === 'wide' ? symbol : currency[1] || symbol;
  }
docs: Return the currency symbol for a given currency code, or the code if no symbol available
  (e.g.: $, US$, or USD)
  
  \@internal
  @param {?} code
  @param {?} format
  @return {?}