*
     * @param model The model whose duplicate elements should be merged, must not be {@code null}.
     * @param request The model building request that holds further settings, must not be {@code null}.
     * @param problems The container used to collect problems that were encountered, must not be {@code null}.
     */

     *
     * @param in the input file (must not be {@literal null})
     * @param inputEncoding the input file encoding (must not be {@literal null} or empty)
     * @param out the output file (must not be {@literal null})
     * @param outputEncoding the output file encoding (must not be {@literal null} or empty)
     * @return the number of characters copied
     */

 * @since 20.0
 */
public interface MutableValueGraph<N, V> extends ValueGraph<N, V> {

  /**
   * Adds {@code node} if it is not already present.
   *
   * <p><b>Nodes must be unique</b>, just as {@code Map} keys must be. They must also be non-null.
   *
   * @return {@code true} if the graph was modified as a result of this call
   */
  @CanIgnoreReturnValue
  boolean addNode(N node);

  /**

        "Cache-Control",
        "must-revalidate",
      )
    val cacheControl = parse(headers)
    assertThat(cacheControl.toString()).isEqualTo("max-age=12, must-revalidate")
  }

  @Test
  fun parsePragmaHeaderValueIsNotRetained() {
    val headers = headersOf("Pragma", "must-revalidate")
    val cacheControl = parse(headers)
    assertThat(cacheControl.toString()).isEqualTo("must-revalidate")
  }

  @Test

        assertContains(result.getWarnings().get(1), "'pluginRepositories.pluginRepository.id' must not be 'local'");
        assertContains(result.getWarnings().get(2), "'distributionManagement.repository.id' must not be 'local'");
        assertContains(
                result.getWarnings().get(3), "'distributionManagement.snapshotRepository.id' must not be 'local'");
    }

    @Test

     *     throw new SecurityException("Path traversal attempt detected");
     * }
     * </pre>
     *
     * @param pathToCheck the path to validate (must not be {@literal null})
     * @param baseDirectory the base directory that the path must be within (must not be {@literal null})
     * @return true if the path is safe (within the base directory), false otherwise
     */

    if ("*" !in pattern) {
      // Not a wildcard pattern -- hostname and pattern must match exactly.
      return hostname == pattern
    }

    // Wildcard pattern

    // WILDCARD PATTERN RULES:
    // 1. Asterisk (*) is only permitted in the left-most domain name label and must be the
    //    only character in that label (i.e., must match the whole left-most label).

# ---------------
constraints.AssertFalse.message = {item} must be false.
constraints.AssertTrue.message = {item} must be true.
constraints.DecimalMax.message = {item} must be less than {value}.
constraints.DecimalMin.message = {item} must be greater than {value}.
constraints.Digits.message = {item} must be a number. (expected: <number>.<number>)
constraints.Future.message = {item} must be a future value.

# ---------------
constraints.AssertFalse.message = {item} must be false.
constraints.AssertTrue.message = {item} must be true.
constraints.DecimalMax.message = {item} must be less than {value}.
constraints.DecimalMin.message = {item} must be greater than {value}.
constraints.Digits.message = {item} must be a number. (expected: <number>.<number>)
constraints.Future.message = {item} must be a future value.

     * undirected, {@code edge} will be undirected in this network.
     *
     * <p>If this network is directed, {@code endpoints} must be ordered.
     *
     * <p><b>{@code edge} must be unique to this network</b>, just as a {@code Map} key must be. It
     * must also be non-null.
     *
     * <p>If either or both endpoints are not already present in this network, this method will