public AthenaIntegration withPartitionStartDate(java.util.Date partitionStartDate) {
        setPartitionStartDate(partitionStartDate);
        return this;
    }
<p>
The start date for the partition.
</p>

@param partitionStartDate
       The start date for the partition.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/AthenaIntegration.java