}

    /**
     * Returns the array of supported file protocols.
     *
     * @return array of file protocol strings with colon suffix (e.g., "file:", "ftp:")
     */
    public String[] getFileProtocols() {
        return fileProtocols;
    }

    /**
     * Checks if the given URL uses a valid web protocol.
     *
     * @param url the URL to validate

        protocolHelper.init();

        assertEquals(4, protocolHelper.getFileProtocols().length);
        assertEquals("file:", protocolHelper.getFileProtocols()[0]);
        assertEquals("smb:", protocolHelper.getFileProtocols()[1]);
        assertEquals("s3:", protocolHelper.getFileProtocols()[2]);
        assertEquals("gcs:", protocolHelper.getFileProtocols()[3]);