public Builder mergeItem(com.google.cloud.visionai.v1.CollectionItem value) {
      if (itemBuilder_ == null) {
        if (((bitField0_ & 0x00000001) != 0)
            && item_ != null
            && item_ != com.google.cloud.visionai.v1.CollectionItem.getDefaultInstance()) {
          getItemBuilder().mergeFrom(value);
        } else {
          item_ = value;
        }
      } else {
        itemBuilder_.mergeFrom(value);
      }
      if (item_ != null) {
        bitField0_ |= 0x00000001;
        onChanged();
      }
      return this;
    }
<pre>
The item that has already been removed.
</pre>

<code>.google.cloud.visionai.v1.CollectionItem item = 1;</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/RemoveCollectionItemResponse.java