public static MediaType detectXMLOnKeys(Set<String> keySet) {
        return BINARY_TO_XML.get(detectOnKeys(keySet));
    }
Detector for BPList with utility functions for PList.
<p>
Without significant refactoring, this can't easily work as a true
detector on plist subtypes.  Rather, for now, we require the file to be
parsed and then the parser adds the subtype for xml-based plists.

@since 1.25
tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-apple-module/src/main/java/org/apache/tika/detect/apple/BPListDetector.java