// PUT /api/admin/duplicatehost/settings
    /**
     * Returns list of duplicate host settings.
     * Supports both GET and PUT requests for retrieving paginated duplicate host configurations.
     *
     * @param body search parameters for filtering and pagination
     * @return JSON response containing duplicate host settings list with pagination info
     */
    @Execute

     * including CRUD operations and search functionality.
     */
    public DuplicateHostService() {
        super();
    }

    /**
     * Retrieves a paginated list of duplicate host configurations based on search criteria.
     *
     * <p>This method performs a paginated search through all duplicate host configurations,

    val routeUrl = route.address.url

    if (url.port != routeUrl.port) {
      return false // Port mismatch.
    }

    if (url.host == routeUrl.host) {
      return true // Host match. The URL is supported.
    }

    // We have a host mismatch. But if the certificate matches, we're still good.
    return !noCoalescedConnections && handshake != null && certificateSupportHost(url, handshake)
  }

            docMeta.id(hit.getId());
            docMeta.version(hit.getVersion());
            docMeta.seqNo(hit.getSeqNo());
            docMeta.primaryTerm(hit.getPrimaryTerm());
            list.add(entity);
        });

        list.setPageSize(size);
        list.setAllRecordCount((int) searchHits.getTotalHits().value());
        list.setCurrentPageNumber(cb.getFetchPageNumber());

    }

    /**
     * Gets the list of page numbers for pagination navigation.
     *
     * @return the list of page numbers
     */
    public List<Integer> getPageNumberList() {
        return pageNumberList;
    }

    /**
     * Sets the list of page numbers for pagination navigation.
     *
     * @param pageNumberList the list of page numbers
     */

          )
      }

    /**
     * @param host either a regular hostname, International Domain Name, IPv4 address, or IPv6
     * address.
     */
    fun host(host: String) =
      apply {
        val encoded =
          host.percentDecode().toCanonicalHost()
            ?: throw IllegalArgumentException("unexpected host: $host")
        this.host = encoded
      }

    fun port(port: Int) =

        ERROR, //
        WARNING //
    }

    /**
     * Gets the hint about the source of the problem. While the syntax of this hint is unspecified and depends on the
     * creator of the problem, the general expectation is that the hint provides sufficient information to the user to
     * track the problem back to its origin. A concrete example for such a source hint can be the file path or URL from
     * which the settings were read.
     *

	reqQueries := r.Form
	// find whether "host" is part of list of signed headers.
	// if not return ErrUnsignedHeaders. "host" is mandatory.
	if !slices.Contains(signedHeaders, "host") {
		return nil, ErrUnsignedHeaders
	}
	extractedSignedHeaders := make(http.Header)
	for _, header := range signedHeaders {
		// `host` will not be found in the headers, can be found in r.Host.

				"X-Amz-SignedHeaders":  "host;x-amz-content-sha256;x-amz-date",
				"X-Amz-Credential":     fmt.Sprintf(credentialTemplate, accessKeyID, now.Format(yyyymmdd), "us-west-1"),
				"X-Amz-Content-Sha256": payloadSHA256,
			},
			region:   "us-west-1",
			expected: ErrUnsignedHeaders,
		},
		// (3) Should fail to extract headers if the host header is not signed.
		{
			queryParams: map[string]string{

    }

    // Mock classes

    static class MockRelatedQueryBhv extends RelatedQueryBhv {
        private List<RelatedQuery> testData = new ArrayList<>();

        public void setTestData(List<RelatedQuery> testData) {
            this.testData = testData;
        }

        public List<RelatedQuery> getTestData() {
            return testData;
        }
    }