assertArrayEquals(key, transport.getServerEncryptionKey());
        verify(transport).getServerEncryptionKey();

        // Empty array
        byte[] empty = new byte[0];
        when(transport.getServerEncryptionKey()).thenReturn(empty);
        assertArrayEquals(empty, transport.getServerEncryptionKey());

        // Null
        when(transport.getServerEncryptionKey()).thenReturn(null);

    @Nonnull
    Stream<P> problems(BuilderProblem.Severity severity);

    /**
     * Creates an "empty" problem collector that doesn't store any problems.
     *
     * @param <P> the type of problem
     * @return an empty problem collector
     */
    @Nonnull
    static <P extends BuilderProblem> ProblemCollector<P> empty() {
        return new ProblemCollector<>() {
            @Override

     *
     * @param modelId The identifier of the model (groupId:artifactId:version) or empty string for the super POM.
     * @return The active profiles for the specified model or an empty list if the model has no active profiles.
     * @since 4.0.0
     */
    @Nonnull
    List<Profile> getActivePomProfiles(String modelId);

    /**

 */
internal class ConfiguredPublicSuffixList : PublicSuffixList {
  override fun ensureLoaded() {
  }

  override var bytes: ByteString = ByteString.EMPTY

  override var exceptionBytes: ByteString = ByteString.EMPTY

      }
    } catch (NoSuchElementException e) {
      throw new IllegalArgumentException(e);
    }

    boolean empty;
    if (effectiveRange.isEmpty()) {
      empty = true;
    } else {
      /*
       * requireNonNull is safe because the effectiveRange operations above would have thrown or
       * effectiveRange.isEmpty() would have returned true.
       */

   *     // operate on tuple
   *   }
   * }
   * }
   *
   * <p>Note that if any input list is empty, the Cartesian product will also be empty. If no lists
   * at all are provided (an empty list), the resulting Cartesian product has one element, an empty
   * list (counter-intuitive, but mathematically consistent).
   *

                    Arguments.of("", "test-project", "1.0.0", "Should return null for empty groupId"),
                    Arguments.of("com.example", "", "1.0.0", "Should return null for empty artifactId"),
                    Arguments.of("com.example", "test-project", "", "Should return null for empty version"));
        }
    }

    @Nested
    @DisplayName("Artifact Computation")

		t.Fatalf("expect a but got %s. r.w=%d, r.r=%d", rb.Bytes(nil), rb.w, rb.r)
	}
	// check empty or full
	if rb.IsEmpty() {
		t.Fatalf("expect IsEmpty is false but got true")
	}
	if rb.IsFull() {
		t.Fatalf("expect IsFull is false but got true")
	}

	// read two, empty
	b, err = rb.ReadByte()
	if err != nil {
		t.Fatalf("ReadByte failed: %v", err)
	}
	if b != 'b' {

                        EMPTY,
                        request);
            }

            validateRawRepositories(problems, m.getRepositories(), "repositories.repository.", EMPTY, request);

            validateRawRepositories(
                    problems, m.getPluginRepositories(), "pluginRepositories.pluginRepository.", EMPTY, request);

            Build build = m.getBuild();

		return false, err
	}

	var addr1Local, addr2Local bool

	if host1 == "" {
		// If empty host means it is localhost
		addr1Local = true
	} else if addr1Local, err = isLocalHost(host1, port1, port1); err != nil {
		// Host not empty, check if it is local
		return false, err
	}

	if host2 == "" {
		// If empty host means it is localhost
		addr2Local = true