// Test various complex field names
        String[] fieldNames = { "simple_field", "field-with-dashes", "field.with.dots", "field_with_underscores", "fieldWithCamelCase",
                "field with spaces", "field@with#special!chars", "フィールド名", "字段名称", "필드명" };

        for (String fieldName : fieldNames) {
            String encoded = BaseEncoding.base64().encode(fieldName.getBytes(StandardCharsets.UTF_8));

        boolQueryBuilder
                .must(QueryBuilders.rangeQuery(FieldNames.TIMESTAMP).lt(time.atZone(ZoneId.systemDefault()).toInstant().toEpochMilli()));

        boolQueryBuilder.must(QueryBuilders.termQuery(FieldNames.KINDS, SuggestItem.Kind.DOCUMENT.toString()));
        boolQueryBuilder.mustNot(QueryBuilders.termQuery(FieldNames.KINDS, SuggestItem.Kind.QUERY.toString()));

                        return;
                    }

                    final String apiName = rootNode.fieldNames().next();

                    for (String component : apiName.split("\\.")) {
                        if (languagesByKeyword.containsKey(component)) {

    }

    private static boolean doesNotHaveCatOperation(ObjectNode doNodeValue) {
        final Iterator<String> fieldNamesIterator = doNodeValue.fieldNames();
        while (fieldNamesIterator.hasNext()) {
            final String fieldName = fieldNamesIterator.next();
            if (fieldName.startsWith("cat.")) {
                return false;
            }
        }
        return true;
    }

        }
      }

      for (index in 0 until networkHeaders.size) {
        val fieldName = networkHeaders.name(index)
        if (!isContentSpecificHeader(fieldName) && isEndToEnd(fieldName)) {
          result.addLenient(fieldName, networkHeaders.value(index))
        }
      }

      return result.build()
    }

    /**

        }
        return candidates.get(0);
    }

    /**
     * Converts a javadoc value link into docbook.
     */
    public Node resolveValue(String fieldName, ClassMetaData classMetaData, GenerationListener listener) {
        String[] parts = fieldName.split("#");
        ClassMetaData targetClass;
        if (parts[0].length() > 0) {
            String targetClassName = typeNameResolver.resolve(parts[0], classMetaData);

    public boolean hasFieldDesc(final String fieldName) {
        assertArgumentNotEmpty("fieldName", fieldName);

        return fieldDescCache.containsKey(fieldName);
    }

    @Override
    public FieldDesc getFieldDesc(final String fieldName) {
        assertArgumentNotEmpty("fieldName", fieldName);

        final FieldDesc fieldDesc = fieldDescCache.get(fieldName);
        if (fieldDesc == null) {

    /**
     * The name of the field.
     */
    private final String fieldName;

    /**
     * Creates a {@link FieldNotFoundRuntimeException}.
     *
     * @param targetClass
     *            Target class
     * @param fieldName
     *            Field name
     */
    public FieldNotFoundRuntimeException(final Class<?> targetClass, final String fieldName) {
        super("ECL0070", asArray(targetClass.getName(), fieldName));

        try {
            Field field = findField(obj.getClass(), fieldName);
            field.setAccessible(true);
            return field.get(obj);
        } catch (Exception e) {
            throw new RuntimeException("Failed to get field " + fieldName, e);
        }
    }

    private Field findField(Class<?> clazz, String fieldName) throws NoSuchFieldException {
        Class<?> current = clazz;

     * @param maxSize the maximum allowed size
     * @param fieldName the field name for error reporting
     * @throws IllegalArgumentException if size is invalid
     */
    public static void validateBufferSize(int size, int maxSize, String fieldName) {
        if (size < 0) {
            throw new IllegalArgumentException(fieldName + " size cannot be negative: " + size);
        }
        if (size > maxSize) {