content = extractData.getContent();
            if (fessConfig.isCrawlerDocumentFileIgnoreEmptyContent() && StringUtil.isBlank(content)) {
                return null;
            }
            if (getLogger().isDebugEnabled()) {
                getLogger().debug("ExtractData: {}", extractData);
            }
            // meta

    // GET /api/admin/searchlist/docs
    // POST /api/admin/searchlist/docs
    @Execute
    public JsonResponse<ApiResult> docs(final SearchBody body) {
        validateApi(body, messages -> {});

        if (StringUtil.isBlank(body.q)) {
            // query matches on all documents.
            body.q = Constants.MATCHES_ALL_QUERY;
        }

        final SearchRenderData renderData = new SearchRenderData();
        body.initialize();

            throw new PluginException("Failed to delete the artifact " + fileName, e);
        }
    }

    public Artifact getArtifact(final String name, final String version) {
        if (StringUtil.isBlank(name) || StringUtil.isBlank(version)) {
            return null;
        }
        for (final Artifact artifact : getAvailableArtifacts(ArtifactType.getType(name))) {

	for ; p.lineDepth+1 < len(p.stack); p.lineDepth++ {
		old := s
		var ok bool
		s, ok = p.stack[p.lineDepth+1].builder.extend(p, s)
		if !old.isBlank() && (ok || s != old) {
			p.stack[p.lineDepth+1].pos.EndLine = p.lineno
		}
		if !ok {
			break
		}
	}

	if s.isBlank() {
		p.trimStack(p.lineDepth + 1)
		return
	}

	// Process new prefixes, if any.
Prefixes:

            return StringUtil.EMPTY; // empty
        }
    }

    public Map<String, Object> processRequest(final CrawlingConfig crawlingConfig, final String crawlingInfoId, final String url) {
        if (StringUtil.isBlank(crawlingInfoId)) {
            throw new CrawlingAccessException("sessionId is null.");
        }

	// the boolean result of i.(T) is now untyped so we make it the
	// same type as the variable on the lhs.
	if ok := n.Lhs[1]; !ir.IsBlank(ok) && ok.Type().IsBoolean() {
		call.Type().Field(1).Type = ok.Type()
	}
	n.Rhs = []ir.Node{call}
	n.SetOp(ir.OAS2FUNC)

	// don't generate a = *var if a is _
	if ir.IsBlank(a) {
		return walkExpr(typecheck.Stmt(n), init)
	}

        }
    }

    private static int process(final Options options) {
        final Crawler crawler = ComponentUtil.getComponent(Crawler.class);

        if (StringUtil.isBlank(options.sessionId)) {
            // use a default session id
            final SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");
            options.sessionId = sdf.format(new Date());
        } else {

        // Don't allow paths that are:
        // - empty or blank
        // - the root path
        // - have empty or blank segments (eg `::a`, `a::b`, `a:  :b`, etc)

        if (name.isEmpty() || StringUtils.isBlank(name)) {
            throw problemsService.getInternalReporter().throwing(spec -> {
                spec.id("empty-path", "Empty path", GradleCoreProblemGroup.taskSelection());

        return split(text, "\n")
                .get(stream -> stream.map(String::trim).filter(StringUtil::isNotBlank).map(this::getFilterPath).filter(s -> {
                    if (StringUtil.isBlank(s)) {
                        return false;
                    }
                    if (Arrays.stream(webProtocols).anyMatch(p -> s.startsWith(p))) {
                        return web;
                    }

        String title = DocumentUtil.getValue(document, fessConfig.getIndexFieldTitle(), String.class);
        if (StringUtil.isBlank(title)) {
            title = DocumentUtil.getValue(document, fessConfig.getIndexFieldFilename(), String.class);
            if (StringUtil.isBlank(title)) {
                title = DocumentUtil.getValue(document, fessConfig.getIndexFieldUrl(), String.class);
            }
        }