private ByteArrayOutputStream outputStream;
    private ServletOutputStream servletOutputStream;

    @BeforeEach
    void setUp() throws Exception {
        // Setup response writers
        stringWriter = new StringWriter();
        printWriter = new PrintWriter(stringWriter);
        outputStream = new ByteArrayOutputStream();

        servletOutputStream = new ServletOutputStream() {
            @Override

    @Mock
    private HttpServletResponse response;

    @Mock
    private FilterChain filterChain;

    @Mock
    private HttpSession httpSession;

    @Mock
    private ServletOutputStream servletOutputStream;

    @BeforeEach
    void setUp() throws Exception {
        filter = new NtlmHttpFilter();

        // Setup lenient stubs for common mock interactions

import jakarta.annotation.PostConstruct;
import jakarta.servlet.FilterChain;
import jakarta.servlet.ServletException;
import jakarta.servlet.ServletInputStream;
import jakarta.servlet.ServletOutputStream;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;

/**
 * API manager for search engine administrative operations.

            return "UTF-8";
        }

        @Override
        public String getContentType() {
            return null;
        }

        @Override
        public jakarta.servlet.ServletOutputStream getOutputStream() {
            return null;
        }

        @Override
        public java.io.PrintWriter getWriter() {
            return null;
        }

        @Override

            }

            @Override
            public String getContentType() {
                return null;
            }

            @Override
            public jakarta.servlet.ServletOutputStream getOutputStream() {
                return null;
            }

            @Override
            public java.io.PrintWriter getWriter() {
                return null;
            }

import java.util.Properties;

import org.bouncycastle.util.encoders.Base64;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jakarta.servlet.ServletException;
import jakarta.servlet.ServletOutputStream;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import jakarta.servlet.http.HttpSession;
import jcifs.Address;

import java.util.Date;
import java.util.Enumeration;
import java.util.GregorianCalendar;
import java.util.LinkedList;
import java.util.ListIterator;

import jakarta.servlet.ServletException;
import jakarta.servlet.ServletOutputStream;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import jakarta.servlet.http.HttpSession;
import jcifs.smb1.Config;

            }

            @Override
            public String getContentType() {
                return null;
            }

            @Override
            public jakarta.servlet.ServletOutputStream getOutputStream() throws IOException {
                return null;
            }

            @Override
            public java.io.PrintWriter getWriter() throws IOException {
                return null;

        }

        @Override
        public String getContentType() {
            return headers.get("Content-Type");
        }

        @Override
        public jakarta.servlet.ServletOutputStream getOutputStream() {
            return null;
        }

        @Override
        public void setCharacterEncoding(String charset) {
        }

        @Override