public final int getNumber() {
    if (this == UNRECOGNIZED) {
      throw new java.lang.IllegalArgumentException(
          "Can't get the number of an unknown enum value.");
    }
    return value;
  }
<pre>
An alternative to SSD persistent disks that balance performance and
cost.
</pre>

<code>COMPUTE_ENGINE_DISK_TYPE_BALANCED = 3;</code>
java-vmmigration/proto-google-cloud-vmmigration-v1/src/main/java/com/google/cloud/vmmigration/v1/ComputeEngineDiskType.java