@Override
    public void checkInitialization(InitializableProblemHandler handler)
            throws TikaConfigException {
        //TODO -- what do we want to check?
    }
Some variables are protected, because this class is extended by
TensorflowRESTVideoRecognizer class
tika-parsers/tika-parsers-ml/tika-parser-advancedmedia-module/src/main/java/org/apache/tika/parser/recognition/tf/TensorflowRESTRecogniser.java