* @param handler the handler to process resources (must not be {@literal null})
     */
    public static void forEach(final File rootDir, final ResourceHandler handler) {
        assertArgumentNotNull("rootDir", rootDir);
        assertArgumentNotNull("handler", handler);

        forEach(rootDir, null, handler);
    }

    /**
     * Traverses resources contained in the file system.
     * <p>

        }
        if (aggsLambda != null) {
            WebAuthenticationCA ca = new WebAuthenticationCA();
            aggsLambda.callback(ca);
            ca.getAggregationBuilderList().forEach(builder::subAggregation);
        }
    }

    public void global(String name, ConditionOptionCall<GlobalAggregationBuilder> opLambda,
            OperatorCall<BsWebAuthenticationCA> aggsLambda) {

            opLambda.callback(builder);
        }
        if (aggsLambda != null) {
            PathMappingCA ca = new PathMappingCA();
            aggsLambda.callback(ca);
            ca.getAggregationBuilderList().forEach(builder::subAggregation);
        }
    }

    public void global(String name, ConditionOptionCall<GlobalAggregationBuilder> opLambda, OperatorCall<BsPathMappingCA> aggsLambda) {

            opLambda.callback(builder);
        }
        if (aggsLambda != null) {
            FileConfigCA ca = new FileConfigCA();
            aggsLambda.callback(ca);
            ca.getAggregationBuilderList().forEach(builder::subAggregation);
        }
    }

    public void global(String name, ConditionOptionCall<GlobalAggregationBuilder> opLambda, OperatorCall<BsFileConfigCA> aggsLambda) {

            opLambda.callback(builder);
        }
        if (aggsLambda != null) {
            ScheduledJobCA ca = new ScheduledJobCA();
            aggsLambda.callback(ca);
            ca.getAggregationBuilderList().forEach(builder::subAggregation);
        }
    }

    public void global(String name, ConditionOptionCall<GlobalAggregationBuilder> opLambda, OperatorCall<BsScheduledJobCA> aggsLambda) {

        stream(params.getExtraQueries())
                .of(stream -> stream.filter(q -> StringUtil.isNotBlank(q) && q.length() <= maxQueryLength).forEach(q -> {
                    appendQuery(queryBuf, q);
                }));

        stream(params.getFields()).of(stream -> stream.forEach(entry -> {
            final String key = entry.getKey();
            final String[] values = entry.getValue();
            if (values == null) {

            opLambda.callback(builder);
        }
        if (aggsLambda != null) {
            RelatedContentCA ca = new RelatedContentCA();
            aggsLambda.callback(ca);
            ca.getAggregationBuilderList().forEach(builder::subAggregation);
        }
    }

    public void global(String name, ConditionOptionCall<GlobalAggregationBuilder> opLambda, OperatorCall<BsRelatedContentCA> aggsLambda) {

            opLambda.callback(builder);
        }
        if (aggsLambda != null) {
            KeyMatchCA ca = new KeyMatchCA();
            aggsLambda.callback(ca);
            ca.getAggregationBuilderList().forEach(builder::subAggregation);
        }
    }

    public void global(String name, ConditionOptionCall<GlobalAggregationBuilder> opLambda, OperatorCall<BsKeyMatchCA> aggsLambda) {

            return file.exists();
        }

        @Override
        public void forEach(final ClassHandler handler) {
            ClassTraversalUtil.forEach(baseDir, rootPackage, handler);
        }

        @Override
        public void forEach(final ResourceHandler handler) {
            ResourceTraversalUtil.forEach(baseDir, rootDir, handler);
        }

        @Override
        public void close() {

        }
        if (aggsLambda != null) {
            BoostDocumentRuleCA ca = new BoostDocumentRuleCA();
            aggsLambda.callback(ca);
            ca.getAggregationBuilderList().forEach(builder::subAggregation);
        }
    }

    public void global(String name, ConditionOptionCall<GlobalAggregationBuilder> opLambda,
            OperatorCall<BsBoostDocumentRuleCA> aggsLambda) {