public com.google.protobuf.ByteString getDescriptionBytes() {
      java.lang.Object ref = description_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        description_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
<pre>
User-provided metadata to be stored with this product. Must be at most 4096
characters long.
</pre>

<code>string description = 3;</code>

@return The bytes for description.
java-vision/proto-google-cloud-vision-v1p4beta1/src/main/java/com/google/cloud/vision/v1p4beta1/Product.java