apper method.</div>
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<th class="colFirst" scope="row"><a href="class-use/PartitionReducer.html#jakarta.batch.api.partition">PartitionReducer</a></th>
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<div class="block">PartitionReducer provides unit of work demarcation across
 partitions.</div>
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<th class="colFirst" scope="row"><a href="class-use/PartitionReducer.PartitionStatus.html#jakarta.batch.api.partition">PartitionReducer.PartitionStatus</a></th>
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