public BatchGetMetricDataQuery withStartDate(java.util.Date startDate) {
        setStartDate(startDate);
        return this;
    }
<p>
Represents the start date for the query interval.
</p>

@param startDate
       Represents the start date for the query interval.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-sesv2/src/main/java/com/amazonaws/services/simpleemailv2/model/BatchGetMetricDataQuery.java