| `contact` | `dict` | 📧 ℹ 🎦 🛠️. ⚫️ 💪 🔌 📚 🏑. <details><summary><code>contact</code> 🏑</summary><table><thead><tr><th>🔢</th><th>🆎</th><th>📛</th></tr></thead><tbody><tr><td><code>name</code></td><td><code>str</code></td><td>⚖ 📛 📧 👨‍💼/🏢.</td></tr><tr><td><code>url</code></td><td><code>str</code></td><td>📛 ☝ 📧 ℹ. 🔜 📁 📛.</td></tr><tr><td><code>email</code></td><td><code>str</code></td><td>📧 📢 📧 👨‍💼/🏢. 🔜 📁 📧 📢. </td></tr></tbody></table></details> |

    return current;
  }

  /**
   * Returns the unique least value of type {@code C} that is greater than {@code value}, or {@code
   * null} if none exists. Inverse operation to {@link #previous}.
   *
   * @param value any value of type {@code C}
   * @return the least value greater than {@code value}, or {@code null} if {@code value} is {@code
   *     maxValue()}
   */
  public abstract @Nullable C next(C value);

  /**

  }

  /**
   * Returns {@code x}, rounded to a {@code double} with the specified rounding mode. If {@code x}
   * is precisely representable as a {@code double}, its {@code double} value will be returned;
   * otherwise, the rounding will choose between the two nearest representable values with {@code
   * mode}.
   *
   * <p>For the case of {@link RoundingMode#HALF_DOWN}, {@code HALF_UP}, and {@code HALF_EVEN},

   *     was indeed modified, unless {@code oldCount == newCount}.
   * @throws IllegalArgumentException if {@code oldCount} or {@code newCount} is negative
   * @throws NullPointerException if {@code element} is null and the implementation does not permit
   *     null elements. Note that if {@code oldCount} and {@code newCount} are both zero, the
   *     implementor may optionally return {@code true} instead.
   */
  @CanIgnoreReturnValue

 * example round-trip using {@link com.google.common.primitives.Doubles#stringConverter}:
 *
 * <ol>
 *   <li>{@code stringConverter().convert("1.00")} returns the {@code Double} value {@code 1.0}
 *   <li>{@code stringConverter().reverse().convert(1.0)} returns the string {@code "1.0"} --
 *       <i>not</i> the same string ({@code "1.00"}) we started with
 * </ol>
 *

     *
     * @param artifact           artifact we are interested in. Only <code>groupid</code> and <code>artifactId</code>
     *                           are needed, for instance the following code will work
     *                           <code>artifactFactory.createProjectArtifact( "org.apache.maven", "maven", "" )</code>
     * @param localRepository    local repository

 * and the field type can be {@link org.apache.maven.api.Node Node},
 * {@code List<}{@link org.apache.maven.api.Node Node}{@code >},
 * {@link org.apache.maven.api.services.DependencyResolverResult DependencyResolverResult},
 * {@code List<}{@link java.nio.file.Path Path}{@code >},

   *     was indeed modified, unless {@code oldCount == newCount}.
   * @throws IllegalArgumentException if {@code oldCount} or {@code newCount} is negative
   * @throws NullPointerException if {@code element} is null and the implementation does not permit
   *     null elements. Note that if {@code oldCount} and {@code newCount} are both zero, the
   *     implementor may optionally return {@code true} instead.
   */
  @CanIgnoreReturnValue

 * <i>other type</i> of supplier is expected, use the method reference {@code supplier::get}. A
 * future version of {@code com.google.common.base.Supplier} will be made to <i>extend</i> {@code
 * java.util.function.Supplier}, making conversion code necessary only in one direction. At that
 * time, this interface will be officially discouraged.
 *
 * @author Harry Heymann
 * @since 2.0
 */
@GwtCompatible

    /**
     * {@return all enabled sources that provide files in the given language for the given scope}.
     * If the given scope is {@code null}, then this method returns the enabled sources for all scopes.
     * If the given language is {@code null}, then this method returns the enabled sources for all languages.
     * An arbitrary number of source roots may exist for the same scope and language.