* @return the type of the event, never {@code null}
     */
    @Nonnull
    EventType getType();

    /**
     * Gets the session from which this event originates.
     *
     * @return the current session, never {@code null}
     */
    @Nonnull
    Session getSession();

    /**
     * Gets the current project (if any).
     *
     * @return the current project or {@code empty()} if not applicable
     */

⚙️ 💃:

* <a href="https://www.python-httpx.org" target="_blank"><code>httpx</code></a> - ✔ 🚥 👆 💚 ⚙️ `TestClient`.
* <a href="https://jinja.palletsprojects.com" target="_blank"><code>jinja2</code></a> - ✔ 🚥 👆 💚 ⚙️ 🔢 📄 📳.

- <a href="https://github.com/JoshData/python-email-validator" target="_blank"><code>email-validator</code></a> - ইমেল যাচাইকরণের জন্য।

স্টারলেট দ্বারা ব্যবহৃত:

- <a href="https://www.python-httpx.org" target="_blank"><code>httpx</code></a> - আপনি যদি `TestClient` ব্যবহার করতে চান তাহলে আবশ্যক।
- <a href="https://jinja.palletsprojects.com" target="_blank"><code>jinja2</code></a> - আপনি যদি প্রদত্ত টেমপ্লেট রূপরেখা ব্যবহার করতে চান তাহলে প্রয়োজন।

 * under the License.
 */
package org.apache.maven.repository.legacy;

import javax.inject.Named;
import javax.inject.Singleton;

/**
 * Wagon for testing, for protocols <code>b1</code> and <code>b2</code>
 *
 */
@Named("b")
@Singleton
public class WagonB extends WagonMock {
    public String[] getSupportedProtocols() {
        return new String[] {"b1", "b2"};
    }

     * <p>
     * Examples of locations:
     * <ul>
     *   <li>Absolute file path: {@code /path/to/pom.xml}</li>
     *   <li>Relative file path: {@code ../parent/pom.xml}</li>
     *   <li>URL: {@code https://repo.maven.org/.../pom.xml}</li>
     *   <li>Description: {@code <memory>} or {@code <database>}</li>
     * </ul>
     *
     * @return a non-null string describing the source location
     */

  <description><![CDATA[
    <p>Per-directory repository metadata <code>repository-metadata.xml</code>.</p>
    <p>A directory may represent 3 types of content: "groupId", "groupId/artifactId" or "groupId/artifactId/version".</p>
    <p>Most metadata content has a meaning when the directory represents a "groupId/artifactId" (<code>groupId</code>, <code>artifactId</code>, <code>versioning</code>)<p>]]>
  </description>
  <defaults>
    <default>

- <a href="https://jinja.palletsprojects.com" target="_blank"><code>jinja2</code></a> - 使用預設的模板配置時必須安裝。
- <a href="https://github.com/Kludex/python-multipart" target="_blank"><code>python-multipart</code></a> - 需要使用 `request.form()` 對表單進行<abbr title="轉換來自表單的 HTTP 請求到 Python 資料型別"> "解析" </abbr>時安裝。

  protected void initMapWithNullValue() {
    resetMap(createArrayWithNullValue());
  }

  /**
   * Equivalent to {@link #expectMissingKeys(Object[]) expectMissingKeys} {@code (null)} except that
   * the call to {@code contains(null)} is permitted to throw a {@code NullPointerException}.
   *
   * @param message message to use upon assertion failure
   */
  protected void expectNullKeyMissingWhenNullKeysUnsupported(String message) {

	resp, err := client.Do(req)
	if err != nil {
		if xnet.IsNetworkOrHostDown(err, false) {
			return content, AdminError{
				Code:       AdminUpdateURLNotReachable,
				Message:    err.Error(),
				StatusCode: http.StatusServiceUnavailable,
			}
		}
		return content, AdminError{
			Code:       AdminUpdateUnexpectedFailure,
			Message:    err.Error(),
			StatusCode: http.StatusInternalServerError,
		}
	}

     * <ul>
     * <li>If <code>type</code> is not an array of parameterized types, <code>null</code> is returned.</li>
     * <li>If <code>type</code> is a <code>Class</code>, it is returned as-is.</li>
     * <li>If <code>type</code> is a parameterized type, its raw type is returned.</li>
     * <li>If <code>type</code> is a wildcard type, its (first) upper bound is returned.</li>