public com.google.cloud.visionai.v1.CollectionItemOrBuilder getItemOrBuilder() {
      if (itemBuilder_ != null) {
        return itemBuilder_.getMessageOrBuilder();
      } else {
        return item_ == null
            ? com.google.cloud.visionai.v1.CollectionItem.getDefaultInstance()
            : item_;
      }
    }
<pre>
Required. The item to be added.
</pre>

<code>
.google.cloud.visionai.v1.CollectionItem item = 1 [(.google.api.field_behavior) = REQUIRED];
</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/AddCollectionItemRequest.java