@Override
    public void addText(char[] cbuf, int off, int len) {
        sb.append(cbuf, off, len);
    }
not supported

@param languageProbabilities Map from language to probability
@return
@throws IOException
tika-langdetect/tika-langdetect-tika/src/main/java/org/apache/tika/langdetect/tika/TikaLanguageDetector.java