for (int i = 0; i < flags.length; i++) {
                for (int j = i + 1; j < flags.length; j++) {
                    assertEquals(0, flags[i] & flags[j], String.format("Flags at index %d and %d should not overlap", i, j));
                }
            }
        }
    }

    @Nested
    @DisplayName("Action Constants Tests")
    class ActionConstantsTests {

        @Test

  val boundary: String
    get() = boundaryByteString.utf8()

  /** The number of parts in this multipart body. */
  @get:JvmName("size")
  val size: Int
    get() = parts.size

  fun part(index: Int): Part = parts[index]

  override fun isOneShot(): Boolean = parts.any { it.body.isOneShot() }

  /** A combination of [type] and [boundaryByteString]. */
  override fun contentType(): MediaType = contentType

    //                                                                      ==============
    /**
     * Show the index page.
     * @param form The search form.
     * @return The HTML response.
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index(final SearchForm form) {
        validate(form, messages -> {}, this::asDictIndexHtml);
        protwordsPager.clear();

                                    <la:message key="labels.wizard_button_start_crawling"/>
                                </button>
                                <button type="submit" class="btn btn-default" name="index"
                                        value="<la:message key="labels.wizard_button_finish"/>">
                                    <i class="fa fa-step-forward" aria-hidden="true"></i>

    //                                                                      ==============
    /**
     * The index page.
     * @param form The search form.
     * @return The HTML response.
     */
    @Execute
    public HtmlResponse index(final SearchForm form) {
        return search(form);
    }

    /**
     * The advance search page.
     * @param form The search form.

import org.codelibs.fess.opensearch.config.cbean.cq.bs.BsCrawlingInfoParamCQ;
import org.dbflute.cbean.ConditionQuery;
import org.opensearch.action.search.SearchRequestBuilder;
import org.opensearch.index.query.QueryBuilder;

/**
 * @author ESFlute (using FreeGen)
 */
public class BsCrawlingInfoParamCB extends EsAbstractConditionBean {

/// info

In this example we use invented custom headers `X-Key` and `X-Token`.

But in real cases, when implementing security, you would get more benefits from using the integrated [Security utilities (the next chapter)](../security/index.md){.internal-link target=_blank}.

///

## Dependencies errors and return values { #dependencies-errors-and-return-values }

You can use the same dependency *functions* you use normally.

    }

    /**
     * Initializes the file type mappings by loading configuration from Fess settings.
     * This method is called automatically after dependency injection is complete.
     * The mappings are loaded from the index filetype configuration property,
     * where each line contains a MIME type to file type mapping in the format "mimetype=filetype".
     */
    @PostConstruct
    public void init() {

///

## Сценарии использования { #use-cases }

Некоторые сценарии:

* Преобразование тел запросов, не в формате JSON, в JSON (например, <a href="https://msgpack.org/index.html" class="external-link" target="_blank">`msgpack`</a>).
* Распаковка тел запросов, сжатых с помощью gzip.
* Автоматическое логирование всех тел запросов.

     *
     * @param data        The content for which to calculate checksums, must not be {@code null}.
     * @param algorithms  The checksum algorithms to use, must not be {@code null}.
     * @return The calculated checksums, indexed by algorithms, never {@code null}.
     * @throws NullPointerException if passed in any parameter is {@code null}.
     */
    @Nonnull