* supplied by the user of the class. For example, {@code Multiset.Entry.getElement()} returns
 * {@code @ParametricNullness E}, which means:
 *
 * <ul>
 *   <li>{@code getElement} on a {@code Multiset.Entry<@NonNull String>} returns {@code @NonNull
 *       String}.
 *   <li>{@code getElement} on a {@code Multiset.Entry<@Nullable String>} returns {@code @Nullable
 *       String}.
 * </ul>
 *

   * the members of the element set of {@code multiset2} that are not contained in {@code
   * multiset1}, with repeated occurrences of the same element appearing consecutively.
   *
   * <p>Results are undefined if {@code multiset1} and {@code multiset2} are based on different
   * equivalence relations (as {@code HashMultiset} and {@code TreeMultiset} are).
   *
   * @since 14.0

| `contact` | `dict` | 公开的 API 的联系信息。它可以包含多个字段。<details><summary><code>contact</code> 字段</summary><table><thead><tr><th>参数</th><th>Type</th><th>描述</th></tr></thead><tbody><tr><td><code>name</code></td><td><code>str</code></td><td>联系人/组织的识别名称。</td></tr><tr><td><code>url</code></td><td><code>str</code></td><td>指向联系信息的 URL。必须采用 URL 格式。</td></tr><tr><td><code>email</code></td><td><code>str</code></td><td>联系人/组织的电子邮件地址。必须采用电子邮件地址的格式。</td></tr></tbody></table></details> |

     * supports version ranges and updates the given {@code parent} instance to match the returned {@code ModelSource}.
     * If {@code parent} declares a version range, the version corresponding to the returned {@code ModelSource} will
     * be set on the given {@code parent}.
     * </p>
     *
     * @param parent The parent coordinates to resolve, must not be {@code null}.
     *

   * following constraints. This is the callers responsibility and is not enforced here.
   *
   * <ul>
   *   <li>Both {@code xStats} and {@code yStats} must have the same {@code count}.
   *   <li>If that {@code count} is 1, {@code sumOfProductsOfDeltas} must be exactly 0.0.
   *   <li>If that {@code count} is more than 1, {@code sumOfProductsOfDeltas} must be finite.
   * </ul>
   */

   *
   * <p>Note that if {@code s} is a {@code Multiset<String>}, then {@code
   * ImmutableSortedMultiset.copyOf(s)} returns an {@code ImmutableSortedMultiset<String>}
   * containing each of the strings in {@code s}, while {@code ImmutableSortedMultiset.of(s)}
   * returns an {@code ImmutableSortedMultiset<Multiset<String>>} containing one element (the given

  /**
   * If this hashcode has enough bits, returns {@code asLong()}, otherwise returns a {@code long}
   * value with {@code asBytes()} as the least-significant bytes and {@code 0x00} as the remaining
   * most-significant bytes.
   *
   * @since 14.0 (since 11.0 as {@code Hashing.padToLong(HashCode)})
   */
  public abstract long padToLong();

  /**
   * Returns the value of this hash code as a byte array. The caller may modify the byte array;

	var langs []Language
	if err := DB.Find(&langs, "code = ?", lang.Code).Error; err != nil {
		t.Errorf("no error should happen when find languages with code, but got %v", err)
	} else if len(langs) != 1 {
		t.Errorf("should only find only 1 languages, but got %+v", langs)
	}

	lang3 := Language{Code: "upsert", Name: "Upsert"}
	if err := DB.Clauses(clause.OnConflict{
		Columns:   []clause.Column{{Name: "code"}},

e>str</code></td><td><strong>ERFORDERLICH</strong> (wenn eine <code>license_info</code> festgelegt ist). Der für die API verwendete Lizenzname.</td></tr><tr><td><code>identifier</code></td><td><code>str</code></td><td>Ein <a href="https://spdx.org/licenses/" class="external-link" target="_blank">SPDX</a>-Lizenzausdruck für die API. Das Feld <code>identifier</code> und das Feld <code>url</code> schließen sich gegenseitig aus. <small>Verfügbar seit OpenAPI 3.1.0, FastAPI 0.99.0.</small></td></tr><...

ode>name</code></td><td><code>str</code></td><td><strong>REQUERIDO</strong> (si se establece un <code>license_info</code>). El nombre de la licencia utilizada para la API.</td></tr><tr><td><code>identifier</code></td><td><code>str</code></td><td>Una expresión de licencia <a href="https://spdx.org/licenses/" class="external-link" target="_blank">SPDX</a> para la API. El campo <code>identifier</code> es mutuamente excluyente del campo <code>url</code>. <small>Disponible desde OpenAPI 3.1.0, FastAPI...