@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_MESSAGE_FIELD_NUMBER;
    hash = (53 * hash) + getStatusMessage().hashCode();
    hash = (37 * hash) + REQUESTED_CANCELLATION_FIELD_NUMBER;
    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getRequestedCancellation());
    hash = (37 * hash) + API_VERSION_FIELD_NUMBER;
    hash = (53 * hash) + getApiVersion().hashCode();
    hash = (29 * hash) + getUnknownFields().hashCode();
    memoizedHashCode = hash;
    return hash;
  }
<pre>
Output only. API version used to start the operation.
</pre>

<code>string api_version = 7 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>

@return The bytes for apiVersion.
java-workstations/proto-google-cloud-workstations-v1/src/main/java/com/google/cloud/workstations/v1/OperationMetadata.java