final String prefix = protocol + ":";
        if (stream(fileProtocols).get(stream -> stream.anyMatch(s -> s.equals(prefix)))) {
            logger.debug("file protocols contains {}.", protocol);
            return;
        }
        fileProtocols = Arrays.copyOf(fileProtocols, fileProtocols.length + 1);
        fileProtocols[fileProtocols.length - 1] = prefix;
    }

    }

    /**
     * Sets the array of file protocols to recognize for URL classification.
     *
     * @param fileProtocols array of protocol prefixes (e.g., "file:", "smb:", "ftp:")
     */
    public void setFileProtocols(final String[] fileProtocols) {
        this.fileProtocols = fileProtocols;
    }

    /**
     * Returns a string representation of this parser's current state.

        String[] fileProtocols = protocolHelper.getFileProtocols();

        assertEquals(2, webProtocols.length);
        assertEquals(2, fileProtocols.length);

        // Verify the content is correct
        assertEquals("http:", webProtocols[0]);
        assertEquals("https:", webProtocols[1]);
        assertEquals("file:", fileProtocols[0]);
        assertEquals("smb:", fileProtocols[1]);