@java.lang.Override
      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
          internalGetFieldAccessorTable() {
        return com.google.cloud.vision.v1p3beta1.ProductSearchServiceProto
            .internal_static_google_cloud_vision_v1p3beta1_Product_KeyValue_fieldAccessorTable
            .ensureFieldAccessorsInitialized(
                com.google.cloud.vision.v1p3beta1.Product.KeyValue.class,
                com.google.cloud.vision.v1p3beta1.Product.KeyValue.Builder.class);
      }
<pre>
A product label represented as a key-value pair.
</pre>

Protobuf type {@code google.cloud.vision.v1p3beta1.Product.KeyValue}
java-vision/proto-google-cloud-vision-v1p3beta1/src/main/java/com/google/cloud/vision/v1p3beta1/Product.java