public com.google.protobuf.ByteString getLabelBytes() {
        java.lang.Object ref = label_;
        if (ref instanceof String) {
          com.google.protobuf.ByteString b =
              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
          label_ = b;
          return b;
        } else {
          return (com.google.protobuf.ByteString) ref;
        }
      }
<pre>
Label for extra metadata.
</pre>

<code>string label = 1;</code>

@return The bytes for label.
java-vision/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/WebDetection.java