public void setCompletedAt(String completedAt) {
        this.completedAt = completedAt;
    }
<p>
The backfill completion time.
</p>

@param completedAt
       The backfill completion time.
aws-java-sdk-costexplorer/src/main/java/com/amazonaws/services/costexplorer/model/CostAllocationTagBackfillRequest.java