@Override
        Parser preLoadOne(Class<? extends Parser> loadedClass, String classname,
                          MimeTypes mimeTypes) throws TikaException {
            // Check for classes which can't be set in config
            if (AutoDetectParser.class.isAssignableFrom(loadedClass)) {
                // https://issues.apache.org/jira/browse/TIKA-866
                throw new TikaException("AutoDetectParser not supported in a <parser>" +
                        " configuration element: " + classname);
            }
            // Continue with normal loading
            return null;
        }
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