@Override
        CompositeParser createComposite(List<Parser> parsers, MimeTypes mimeTypes,
                                        ServiceLoader loader) {
            MediaTypeRegistry registry = mimeTypes.getMediaTypeRegistry();
            return new CompositeParser(registry, parsers);
        }
Gets parameters from a given

@param el xml node which has {@link #PARAMS_TAG_NAME} child
@return Map of key values read from xml
tika-core/src/main/java/org/apache/tika/config/TikaConfig.java