code: public java.util.List<EbsBlockDevice> getEbsBlockDevices() {
          if (ebsBlockDevices == null) {
              ebsBlockDevices = new com.amazonaws.internal.SdkInternalList<EbsBlockDevice>();
          }
          return ebsBlockDevices;
      }
docs: <p>
  The EBS block devices that are mapped to this instance group.
  </p>
  
  @return The EBS block devices that are mapped to this instance group.