@java.lang.Override
    public int hashCode() {
      if (memoizedHashCode != 0) {
        return memoizedHashCode;
      }
      int hash = 41;
      hash = (19 * hash) + getDescriptor().hashCode();
      if (hasUpdateMask()) {
        hash = (37 * hash) + UPDATE_MASK_FIELD_NUMBER;
        hash = (53 * hash) + getUpdateMask().hashCode();
      }
      if (hasInstance()) {
        hash = (37 * hash) + INSTANCE_FIELD_NUMBER;
        hash = (53 * hash) + getInstance().hashCode();
      }
      hash = (37 * hash) + INSTANCE_ID_FIELD_NUMBER;
      hash = (53 * hash) + getInstanceId().hashCode();
      hash = (29 * hash) + getUnknownFields().hashCode();
      memoizedHashCode = hash;
      return hash;
    }
<pre>
Required. The id of the instance.
</pre>

<code>string instance_id = 3 [(.google.api.field_behavior) = REQUIRED];</code>

@return The bytes for instanceId.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/UpdateApplicationInstancesRequest.java