// Default constructor
    }

    /**
     * Quotes a string value if it contains spaces.
     * Multi-word values are wrapped in double quotes with internal quotes replaced by spaces.
     *
     * @param value the string value to quote
     * @return the quoted string if it contains spaces, otherwise the original value
     */
    protected String quote(final String value) {
        if (value.split("\\s").length > 1) {

            return "^" + Pattern.quote(s.substring(1, s.length() - 1)) + "$";
        }
        if (s.startsWith("^")) {
            return "^" + Pattern.quote(s.substring(1));
        }
        if (s.endsWith("$")) {
            return Pattern.quote(s.substring(0, s.length() - 1)) + "$";
        }
        return Pattern.quote(s);
    }

    /**

        result = jobExecutor.execute("test", "script with \"quotes\"");
        assertEquals("Executed: test script with \"quotes\"", result);

        result = jobExecutor.execute("test", "script with 'single quotes'");
        assertEquals("Executed: test script with 'single quotes'", result);
    }

    public void test_execute_longScript() {
        // Test with long script

    public void test_append_stringWithSpecialChars() {
        StringBuilder buf = new StringBuilder();
        Supplier<Object> supplier = () -> "test \"quotes\" and \n newline";

        monitorTarget.append(buf, "specialKey", supplier);
        assertEquals("\"specialKey\":\"test \\\"quotes\\\" and \\n newline\"", buf.toString());
    }

    // Test append method with String containing backslash

    @Override
    protected String asEsIndex() {
        if (indexName == null) {
            final String name = ComponentUtil.getFessConfig().getIndexUserIndex();
            indexName = super.asEsIndex().replaceFirst(Pattern.quote("fess_user"), name);
        }
        return indexName;
    }

    @Override
    protected <RESULT extends Role> RESULT createEntity(final Map<String, Object> source, final Class<? extends RESULT> entityType) {

    public void test_command_string_edge_cases() throws Exception {
        // Test with commands containing special characters
        final List<String> specialCommands = Arrays.asList("echo \"test with quotes\"", "echo 'test with single quotes'",
                "echo test with spaces", "echo test&with&ampersand", "echo test|with|pipe");

        generator.setCommandList(specialCommands);

import static com.google.common.base.Throwables.throwIfInstanceOf;
import static com.google.common.base.Throwables.throwIfUnchecked;
import static com.google.common.truth.Truth.assertThat;
import static java.util.regex.Pattern.quote;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;

    }

    public void test_specialCharactersInMessage() {
        // Test with special characters in message
        String messageWithSpecialChars = "Error: offset > 1000 && offset < 2000 | \"quotes\" 'single' \n\t tab";
        ResultOffsetExceededException exception = new ResultOffsetExceededException(messageWithSpecialChars);

        assertEquals(messageWithSpecialChars, exception.getMessage());
    }

    @Override
    protected String asEsIndex() {
        if (indexName == null) {
            final String name = ComponentUtil.getFessConfig().getIndexUserIndex();
            indexName = super.asEsIndex().replaceFirst(Pattern.quote("fess_user"), name);
        }
        return indexName;
    }

    @Override
    protected <RESULT extends User> RESULT createEntity(final Map<String, Object> source, final Class<? extends RESULT> entityType) {

        // Test toString with special characters
        String name = "special[]param";
        String[] values = { "[value]", ",comma,", "quote\"test" };
        RequestParameter param = new RequestParameter(name, values);

        String expected = "[special[]param, [[value], ,comma,, quote\"test]]";
        assertEquals(expected, param.toString());
    }

    public void test_immutability() {