public java.util.Date getCreatedBefore() {
        return this.createdBefore;
    }
<p>
Return only job flows created before this date and time.
</p>

@return Return only job flows created before this date and time.
aws-java-sdk-emr/src/main/java/com/amazonaws/services/elasticmapreduce/model/DescribeJobFlowsRequest.java