// Default constructor
    }

    /**
     * Initializes the web API filter.
     *
     * @param filterConfig The filter configuration
     * @throws ServletException If initialization fails
     */
    @Override
    public void init(final FilterConfig filterConfig) throws ServletException {
        // nothing
    }

    /**
     * Destroys the web API filter and cleans up resources.
     */

        initParams.put("jcifs.http.basicRealm", "TestRealm");

        when(filterConfig.getInitParameterNames()).thenReturn(Collections.enumeration(initParams.keySet()));
        when(filterConfig.getInitParameter(anyString())).thenAnswer(invocation -> initParams.get(invocation.getArgument(0)));

        assertDoesNotThrow(() -> filter.init(filterConfig));
    }

    @Test
    void testInit_withMinimalConfig() throws ServletException {

    private String domainController;
    private boolean loadBalance;
    private boolean enableBasic;
    private boolean insecureBasic;
    private String realm;

    @Override
    public void init(final FilterConfig filterConfig) throws ServletException {
        String name;
        int level;

        /* Set jcifs.smb1 properties we know we want; soTimeout and cachePolicy to 30min.
         */

    private int netbiosLookupRespLimit = 3;
    private long netbiosCacheTimeout = 60 * 60 * 10;
    private static int dcListCounter;

    @Override
    public void init(final FilterConfig filterConfig) throws ServletException {
        String name;

        final Properties p = new Properties();
        /*
         * Set jcifs properties we know we want; soTimeout and cachePolicy to 30min.
         */

import org.codelibs.core.lang.StringUtil;
import org.lastaflute.web.servlet.filter.LastaPrepareFilter;

import jakarta.servlet.Filter;
import jakarta.servlet.FilterChain;
import jakarta.servlet.FilterConfig;
import jakarta.servlet.ServletContext;
import jakarta.servlet.ServletException;
import jakarta.servlet.ServletRequest;
import jakarta.servlet.ServletResponse;
import jakarta.servlet.http.HttpServletRequest;

    // Test constructor
    public void test_constructor() {
        assertNotNull(new WebApiFilter());
    }

    // Test init method
    public void test_init() throws ServletException {
        FilterConfig filterConfig = new FilterConfig() {
            @Override
            public String getFilterName() {
                return "testFilter";
            }

            @Override

import org.lastaflute.web.servlet.filter.RequestLoggingFilter;
import org.lastaflute.web.util.LaRequestUtil;
import org.lastaflute.web.util.LaResponseUtil;

import jakarta.annotation.PostConstruct;
import jakarta.servlet.FilterConfig;
import jakarta.servlet.ServletContext;
import jakarta.servlet.http.HttpServletResponse;

/**
 * SPNEGO (Security Provider Negotiation Protocol) authenticator implementation.
 *