// When & Then - should handle nulls gracefully
        assertNull(delegatingConfig.getRandom(), "Should return null when delegate returns null");
        assertNull(delegatingConfig.getLocalAddr(), "Should return null when delegate returns null");
        assertNull(delegatingConfig.getNetbiosHostname(), "Should return null when delegate returns null");

import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyInt;

import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertTrue;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.mockito.Mock;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;

import org.junit.jupiter.api.Test;

import jcifs.smb1.dcerpc.ndr.NdrBuffer;

        content = "<input name=\"authenticity_token\" value=\"abcdefg\">";
        assertNull(formScheme.getTokenValue(tokenPattern, content));

        tokenPattern = "name=\"authenticity_token\" +value=\"([^\"]+)\"";
        content = "<input name=\"authenticity_token\" hoge value=\"abcdefg\">";
        assertNull(formScheme.getTokenValue(tokenPattern, content));
    }

    assertEquals(0.0f, Defaults.defaultValue(float.class).floatValue());
    assertThat(Defaults.defaultValue(double.class).doubleValue()).isEqualTo(0.0d);
    assertNull(Defaults.defaultValue(void.class));
    assertNull(Defaults.defaultValue(String.class));
  }

    assertEquals(0.0f, Defaults.defaultValue(float.class).floatValue());
    assertThat(Defaults.defaultValue(double.class).doubleValue()).isEqualTo(0.0d);
    assertNull(Defaults.defaultValue(void.class));
    assertNull(Defaults.defaultValue(String.class));
  }

        assertEquals(Method.GET, request.method());
        assertEquals("UTF-8", request.encoding());
        assertEquals(1024 * 1024, request.threshold());
        assertNull(request.proxy());
        assertNull(request.body());
    }

    @Test
    public void testProxyMethod() {
        CurlRequest request = new CurlRequest(Method.GET, "https://example.com");
        Proxy proxy = Proxy.NO_PROXY;

        assertNotNull(preauthService.getCurrentPreauthHash(sessionId2));

        preauthService.cleanup();

        assertNull(preauthService.getCurrentPreauthHash(sessionId1));
        assertNull(preauthService.getCurrentPreauthHash(sessionId2));
    }

        // Test ID change
        event.setId("new-id-456");
        assertEquals("new-id-456", event.getId());

        // Test null ID
        NullSearchLogEvent nullEvent = new NullSearchLogEvent();
        assertNull(nullEvent.getId());

        // Test empty ID
        EmptySearchLogEvent emptyEvent = new EmptySearchLogEvent();
        assertEquals("", emptyEvent.getId());
    }

    // Test getVersionNo method