public Cluster withOSReleaseLabel(String oSReleaseLabel) {
        setOSReleaseLabel(oSReleaseLabel);
        return this;
    }
<p>
The Amazon Linux release specified in a cluster launch RunJobFlow request. If no Amazon Linux release was
specified, the default Amazon Linux release is shown in the response.
</p>

@param oSReleaseLabel
       The Amazon Linux release specified in a cluster launch RunJobFlow request. If no Amazon Linux release was
       specified, the default Amazon Linux release is shown in the response.
@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/Cluster.java