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import eachLimit from './eachLimit';
import doLimit from './internal/doLimit';
/**
* The same as `each` but runs only a single async operation at a time.
*
* @name eachSeries
* @static
* @memberOf async
* @see async.each
* @alias forEachSeries
* @category Collection
* @param {Array|Object} coll - A collection to iterate over.
* @param {Function} iteratee - A function to apply to each
* item in `coll`. The iteratee is passed a `callback(err)` which must be called
* once it has completed. If no error has occurred, the `callback` should be run
* without arguments or with an explicit `null` argument. The array index is
* not passed to the iteratee. Invoked with (item, callback). If you need the
* index, use `eachOfSeries`.
* @param {Function} [callback] - A callback which is called when all
* `iteratee` functions have finished, or an error occurs. Invoked with (err).
*/
export default doLimit(eachLimit, 1);
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