@java.lang.Override
  public int hashCode() {
    if (memoizedHashCode != 0) {
      return memoizedHashCode;
    }
    int hash = 41;
    hash = (19 * hash) + getDescriptor().hashCode();
    hash = (37 * hash) + DISK_TYPE_FIELD_NUMBER;
    hash = (53 * hash) + getDiskType().hashCode();
    hash = (37 * hash) + DISK_SIZE_GB_FIELD_NUMBER;
    hash = (53 * hash) + com.google.protobuf.Internal.hashLong(getDiskSizeGb());
    hash = (29 * hash) + getUnknownFields().hashCode();
    memoizedHashCode = hash;
    return hash;
  }
<pre>
Size in GB of the disk (default is 100GB).
</pre>

<code>int64 disk_size_gb = 2;</code>

@return The diskSizeGb.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PersistentDiskSpec.java