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'use strict';
import mapLimit from './mapLimit';
import doLimit from './internal/doLimit';
/**
* The same as `map` but runs only a single async operation at a time.
*
* @name mapSeries
* @static
* @memberOf async
* @see `async.map`
* @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, transformed)` which must be called
* once it has completed with an error (which can be `null`) and a
* transformed item. Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called when all `iteratee`
* functions have finished, or an error occurs. Results is an array of the
* transformed items from the `coll`. Invoked with (err, results).
*/
export default doLimit(mapLimit, 1);
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