* @param recessive the recessive (lower priority) XML node
     * @param childMergeOverride optional override for the child merge mode
     * @return the merged XML node, or null if both inputs are null
     */
    protected abstract XmlNode doMerge(XmlNode dominant, XmlNode recessive, Boolean childMergeOverride);

    /**
     * Gets the singleton instance of the XmlService.
     *

    /** The confirm password. */
    @NotBlank
    public String confirmPassword;

    /**
     * Clears security information.
     */
    public void clearSecurityInfo() {
        password = null;
        confirmPassword = null;
    }

import org.codelibs.fess.util.ComponentUtil;

/**
 * @author FreeGen
 */
public class AccessTokenBhv extends BsAccessTokenBhv {
    private String indexName = null;

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

import org.codelibs.fess.util.ComponentUtil;

/**
 * @author FreeGen
 */
public class CrawlingInfoBhv extends BsCrawlingInfoBhv {
    private String indexName = null;

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

import org.codelibs.fess.util.ComponentUtil;

/**
 * @author FreeGen
 */
public class DataConfigBhv extends BsDataConfigBhv {
    private String indexName = null;

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

import org.codelibs.fess.util.ComponentUtil;

/**
 * @author FreeGen
 */
public class DuplicateHostBhv extends BsDuplicateHostBhv {
    private String indexName = null;

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

import org.codelibs.fess.util.ComponentUtil;

/**
 * @author FreeGen
 */
public class RequestHeaderBhv extends BsRequestHeaderBhv {
    private String indexName = null;

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

    class InterfaceEdgeCaseTests {

        @Test
        @DisplayName("Should handle null SID from interface methods")
        void shouldHandleNullSID() {
            ACE ace = mock(ACE.class);
            when(ace.getSID()).thenReturn(null);

            SID result = ace.getSID();
            assertNull(result, "getSID() should return null when configured");
            verify(ace).getSID();
        }

        @Test

    }

    public void test_convert_nullUrl() {
        assertNull(duplicateHostHelper.convert(null));
    }

    public void test_convert_withNullList() {
        DuplicateHostHelper helper = new DuplicateHostHelper();
        helper.duplicateHostList = null;

        String url = "http://test.com";
        String result = helper.convert(url);

        assertNotNull(result);

    if (args == null) {
      args = NO_ARGS;
    }
    if (args.length == 0 && method.getName().equals("hashCode")) {
      return hashCode();
    }
    if (args.length == 1
        && method.getName().equals("equals")
        && method.getParameterTypes()[0] == Object.class) {
      Object arg = args[0];
      if (arg == null) {
        return false;
      }
      if (proxy == arg) {