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

@param createdBefore
       Return only job flows created before this date and time.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-emr/src/main/java/com/amazonaws/services/elasticmapreduce/model/DescribeJobFlowsRequest.java