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| '''Summary'''
|Returns the items that have been cached by {{Function||update:output}}. The output cache can optionally be {{Code|$reset}}. The function can be used to check which items will eventually be returned as the result of an updating function.<br/>This function is ''non-deterministic'': It will return different results before and after items have been cached. It is e. g. The function can be useful when for writing [[Unit Module|unit tests]].
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