@java.lang.Override
  public boolean equals(final java.lang.Object obj) {
    if (obj == this) {
      return true;
    }
    if (!(obj instanceof com.google.cloud.vertexai.api.GenericOperationMetadata)) {
      return super.equals(obj);
    }
    com.google.cloud.vertexai.api.GenericOperationMetadata other =
        (com.google.cloud.vertexai.api.GenericOperationMetadata) obj;

    if (!getPartialFailuresList().equals(other.getPartialFailuresList())) return false;
    if (hasCreateTime() != other.hasCreateTime()) return false;
    if (hasCreateTime()) {
      if (!getCreateTime().equals(other.getCreateTime())) return false;
    }
    if (hasUpdateTime() != other.hasUpdateTime()) return false;
    if (hasUpdateTime()) {
      if (!getUpdateTime().equals(other.getUpdateTime())) return false;
    }
    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
    return true;
  }
<pre>
Output only. Time when the operation was updated for the last time.
If the operation has finished (successfully or not), this is the finish
time.
</pre>

<code>.google.protobuf.Timestamp update_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
</code>
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenericOperationMetadata.java