public String[] getMetadata() {
        return metadata;
    }
Returns an array of metadata whose values will be analyzed using cTAKES.

@return an array of metadata whose values will be analyzed using cTAKES.
tika-parsers/tika-parsers-ml/tika-parser-nlp-module/src/main/java/org/apache/tika/parser/ctakes/CTAKESConfig.java