return "fess-server";
            }
        });
        try {
            envMap.put("HOSTNAME", "myhost");
            final long pid = ProcessHandle.current().pid();
            assertEquals("fess-server@myhost:" + pid, systemHelper.getInstanceId());
        } finally {
            envMap.remove("HOSTNAME");
        }
    }

    @Test

                return new Tuple3[] { new Tuple3<>("Host", "example.com", "site1"), new Tuple3<>("X-Forwarded-Host", "test.com", "site2") };
            }
        });

        MockletHttpServletRequest request = getMockRequest();

        // No matching host header
        String key = virtualHostHelper.getVirtualHostKey();
        assertEquals("", key);

        // Matching host header
        request.addHeader("Host", "example.com");

    /**
     * Displays the initial duplicate host management page.
     *
     * @param form the search form
     * @return HTML response for the duplicate host list page
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index(final SearchForm form) {
        return asListHtml();
    }

    /**
     * Displays the duplicate host list with pagination.
     *

        super();
    }

    /**
     * The unique identifier of the duplicate host configuration being edited.
     * This is a required field for identifying which duplicate host entry to update.
     */
    @Required
    @Size(max = 1000)
    public String id;

    /**
     * The username of the user who last updated this duplicate host configuration.
     * Used for audit trail purposes to track who made changes.
     */

    /** The sort order for displaying this duplicate host entry */
    @Required
    @Min(value = 0)
    @Max(value = 2147483647)
    @ValidateTypeFailure
    public Integer sortOrder;

    /** The username of who created this duplicate host entry */
    @Size(max = 1000)
    public String createdBy;

    /** The timestamp when this duplicate host entry was created */
    @ValidateTypeFailure

        return relatedQueryMap.size();
    }

    /**
     * Extracts the virtual host key from a RelatedQuery entity.
     * If the virtual host is blank or null, returns an empty string.
     *
     * @param entity the RelatedQuery entity to extract the host key from
     * @return the virtual host key, or empty string if blank or null
     */
    protected String getHostKey(final RelatedQuery entity) {

     * @param host the hostname or IP address string
     * @param port the port number
     * @param path the path (should start with "/" or be empty)
     * @return the complete URL string
     */
    public static String buildUrl(final String protocol, final String host, final int port, final String path) {
        if (protocol == null || host == null) {
            return null;
        }

    }

    /**
     * Extracts the virtual host key from a RelatedContent entity.
     * If the virtual host is blank or null, returns an empty string.
     * This key is used to organize related content by virtual host.
     *
     * @param entity the RelatedContent entity to extract the host key from
     * @return the virtual host key, or empty string if not specified
     */

/**
 * The search form for Duplicate Host.
 */
public class SearchForm {

    /**
     * Default constructor for SearchForm.
     */
    public SearchForm() {
    }

    /**
     * The regular name field for duplicate host configuration.
     */
    public String regularName;

    /**
     * The duplicate host name field for searching duplicate hosts.
     */

                break
            }
        }
        return prs
            .filter { it.milestone?.title?.startsWith(milestone.get()) == true }
            // Filter out the ghost user that replaces deleted users
            .filter { it.user.login != "ghost" }
            .map { it.user.login }
            .toSet()
            .map { getUserInfo(it) }
            .toSet()
    }

    private