private com.google.protobuf.RepeatedFieldBuilderV3<
            com.google.cloud.visionai.v1.Instance,
            com.google.cloud.visionai.v1.Instance.Builder,
            com.google.cloud.visionai.v1.InstanceOrBuilder>
        getInstancesFieldBuilder() {
      if (instancesBuilder_ == null) {
        instancesBuilder_ =
            new com.google.protobuf.RepeatedFieldBuilderV3<
                com.google.cloud.visionai.v1.Instance,
                com.google.cloud.visionai.v1.Instance.Builder,
                com.google.cloud.visionai.v1.InstanceOrBuilder>(
                instances_, ((bitField0_ & 0x00000001) != 0), getParentForChildren(), isClean());
        instances_ = null;
      }
      return instancesBuilder_;
    }
<pre>
The list of Instance.
</pre>

<code>repeated .google.cloud.visionai.v1.Instance instances = 1;</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/ListInstancesResponse.java