@java.lang.Override
  public int hashCode() {
    if (memoizedHashCode != 0) {
      return memoizedHashCode;
    }
    int hash = 41;
    hash = (19 * hash) + getDescriptor().hashCode();
    if (hasCreateTime()) {
      hash = (37 * hash) + CREATE_TIME_FIELD_NUMBER;
      hash = (53 * hash) + getCreateTime().hashCode();
    }
    if (hasEndTime()) {
      hash = (37 * hash) + END_TIME_FIELD_NUMBER;
      hash = (53 * hash) + getEndTime().hashCode();
    }
    hash = (37 * hash) + TARGET_FIELD_NUMBER;
    hash = (53 * hash) + getTarget().hashCode();
    hash = (37 * hash) + VERB_FIELD_NUMBER;
    hash = (53 * hash) + getVerb().hashCode();
    hash = (37 * hash) + STATUS_DETAIL_FIELD_NUMBER;
    hash = (53 * hash) + getStatusDetail().hashCode();
    hash = (37 * hash) + CANCEL_REQUESTED_FIELD_NUMBER;
    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getCancelRequested());
    hash = (37 * hash) + API_VERSION_FIELD_NUMBER;
    hash = (53 * hash) + getApiVersion().hashCode();
    hash = (29 * hash) + getUnknownFields().hashCode();
    memoizedHashCode = hash;
    return hash;
  }
<pre>
API version.
</pre>

<code>string api_version = 7;</code>

@return The bytes for apiVersion.
java-tpu/proto-google-cloud-tpu-v2/src/main/java/com/google/cloud/tpu/v2/OperationMetadata.java