public EbsBlockDeviceConfig withVolumesPerInstance(Integer volumesPerInstance) {
        setVolumesPerInstance(volumesPerInstance);
        return this;
    }
<p>
Number of EBS volumes with a specific volume configuration that are associated with every instance in the
instance group
</p>

@param volumesPerInstance
       Number of EBS volumes with a specific volume configuration that are associated with every instance in the
       instance group
@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/EbsBlockDeviceConfig.java