assertEquals("ftp://123.123.123.123/ccc.txt", ftpInfo.toUrl("/aaa/../ccc.txt"));

        value = "ftp://123.123.123.123/test test.txt";
        ftpInfo = new FtpClient.FtpInfo(value, Constants.UTF_8);
        assertEquals(value, ftpInfo.toUrl());
        assertEquals("123.123.123.123:21", ftpInfo.getCacheKey());
        assertEquals("123.123.123.123", ftpInfo.getHost());

         */
        public String toChildUrl(final String child) {
            final String url = toUrl();
            if (url.endsWith("/")) {
                return normalize(toUrl() + child);
            }
            return normalize(toUrl() + "/" + child);
        }

        /**
         * Gets the parent directory path from the FTP URL.
         *

                    if (file.exists()) {
                        reloadableFile = file;
                    }
                    reader = new BufferedReader(new InputStreamReader(path.toUri().toURL().openStream(), StandardCharsets.UTF_8));
                } catch (final Exception e) {
                    throw new IllegalArgumentException("Failed to read " + filePath, e);
                }

                uri = new URI(baseHref == null ? responseData.getUrl() : baseHref);
            } catch (final Exception e) {
                uri = new URI(responseData.getUrl());
            }
            final URL url = uri.toURL();
            getChildUrlRules(responseData, resultData).forEach(entry -> {
                List<RequestData> requestDataList = new ArrayList<>();