public CoverageByTime withTimePeriod(DateInterval timePeriod) {
        setTimePeriod(timePeriod);
        return this;
    }
<p>
The period that this coverage was used over.
</p>

@param timePeriod
       The period that this coverage was used over.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-costexplorer/src/main/java/com/amazonaws/services/costexplorer/model/CoverageByTime.java