* Searches the class hierarchy to find the field.
     */
    private Object getField(Object obj, String fieldName) throws Exception {
        Class<?> clazz = obj.getClass();
        while (clazz != null) {
            try {
                java.lang.reflect.Field field = clazz.getDeclaredField(fieldName);
                field.setAccessible(true);
                return field.get(obj);

     */
    private void setPrivateField(Object obj, String fieldName, Object value) throws Exception {
        Field field = obj.getClass().getDeclaredField(fieldName);
        field.setAccessible(true);
        field.set(obj, value);
    }

    /**
     * Helper method to get private field value using reflection
     */
    private Object getPrivateField(Object obj, String fieldName) throws Exception {

        while (fields.hasNext()) {
            final Map.Entry<String, JsonNode> field = fields.next();
            final String fieldName = field.getKey();
            final JsonNode fieldValue = field.getValue();

            final String currentKey = buildKey(parentKey, fieldName);
            extractContent(fieldValue, currentKey, textBuilder, metadataMap, depth + 1);
        }
    }

    /**

		}
		if field.Unique != unique {
			t.Fatalf("%v: %q column %q unique should be %v but got %v", utils.FileWithLineNum(), stmt.Schema.Table, fieldName, unique, field.Unique)
		}
		if field.UniqueIndex != uniqueIndex {
			t.Fatalf("%v: %q column %q uniqueIndex should be %v but got %v", utils.FileWithLineNum(), stmt.Schema, fieldName, uniqueIndex, field.UniqueIndex)
		}
	}

	type ( // not unique

    private Field getSuperclassField(Class<?> clazz, String fieldName) throws NoSuchFieldException {
        while (clazz != null) {
            try {
                return clazz.getDeclaredField(fieldName);
            } catch (NoSuchFieldException e) {
                clazz = clazz.getSuperclass();
            }
        }
        throw new NoSuchFieldException("Field " + fieldName + " not found");
    }

         * @param source The source value
         * @param fieldName A description of the field being interpolated. The implementation may use this to
         *                           log stuff.
         * @return The interpolated value.
         */
        String transform(String source, String fieldName);
    }

    }

    protected static Analyzer getAnalyzer(final boolean ignoreCase) {
        return new Analyzer() {
            @Override
            protected TokenStreamComponents createComponents(final String fieldName) {
                final Tokenizer tokenizer = new KeywordTokenizer();
                final TokenStream stream = ignoreCase ? new LowerCaseFilter(tokenizer) : tokenizer;

    /** The analyzer settings type field. */
    public static final String ANALYZER_SETTINGS_TYPE = "settingsType";
    /** The analyzer settings field name. */
    public static final String ANALYZER_SETTINGS_FIELD_NAME = "fieldName";
    /** The reading analyzer settings field. */
    public static final String ANALYZER_SETTINGS_READING_ANALYZER = "readingAnalyzer";
    /** The reading term analyzer settings field. */

        );
    }

    // Helper methods

    private void setPrivateField(Object target, String fieldName, Object value) throws Exception {
        Field field = target.getClass().getDeclaredField(fieldName);
        field.setAccessible(true);
        field.set(target, value);
    }

    private void setResponseAsReceived(Smb2NegotiateResponse resp) throws Exception {

            propMap.put(CRAWLER_METADATA_NAME_MAPPING, params);
        }
        return params.get(name);
    }

    default void addCrawlerMetadataNameMapping(final String name, final String fieldName, final String mappingType,
            final String dateFormat) {
        if (getCrawlerMetadataNameMapping(name) != null) {
            return;
        }

        @SuppressWarnings("unchecked")