code: public java.util.List<EbsBlockDeviceConfig> getEbsBlockDeviceConfigs() {
          if (ebsBlockDeviceConfigs == null) {
              ebsBlockDeviceConfigs = new com.amazonaws.internal.SdkInternalList<EbsBlockDeviceConfig>();
          }
          return ebsBlockDeviceConfigs;
      }
docs: <p>
  An array of Amazon EBS volume specifications attached to a cluster instance.
  </p>
  
  @return An array of Amazon EBS volume specifications attached to a cluster instance.