function differenceInMilliseconds(dirtyDateLeft, dirtyDateRight) {
  __WEBPACK_IMPORTED_MODULE_1__lib_requiredArgs_index_js__["a" /* default */](2, arguments);
  var dateLeft = __WEBPACK_IMPORTED_MODULE_0__toDate_index_js__["a" /* default */](dirtyDateLeft);
  var dateRight = __WEBPACK_IMPORTED_MODULE_0__toDate_index_js__["a" /* default */](dirtyDateRight);
  return dateLeft.getTime() - dateRight.getTime();
}
@name differenceInMilliseconds
@category Millisecond Helpers
@summary Get the number of milliseconds between the given dates.

@description
Get the number of milliseconds between the given dates.

### v2.0.0 breaking changes:

- [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).

@param {Date|Number} dateLeft - the later date
@param {Date|Number} dateRight - the earlier date
@returns {Number} the number of milliseconds
@throws {TypeError} 2 arguments required

@example
// How many milliseconds are between
// 2 July 2014 12:30:20.600 and 2 July 2014 12:30:21.700?
var result = differenceInMilliseconds(
  new Date(2014, 6, 2, 12, 30, 21, 700),
  new Date(2014, 6, 2, 12, 30, 20, 600)
)
//=> 1100