public java.util.List<EbsBlockDevice> getEbsBlockDevices() {
        if (ebsBlockDevices == null) {
            ebsBlockDevices = new com.amazonaws.internal.SdkInternalList<EbsBlockDevice>();
        }
        return ebsBlockDevices;
    }
<p>
The configuration of Amazon Elastic Block Store (Amazon EBS) attached to each instance as defined by
<code>InstanceType</code>.
</p>

@return The configuration of Amazon Elastic Block Store (Amazon EBS) attached to each instance as defined by
        <code>InstanceType</code>.
aws-java-sdk-emr/src/main/java/com/amazonaws/services/elasticmapreduce/model/InstanceTypeSpecification.java