ArtifactMetadata md;

    // indications to use these in comparison
    private boolean compareVersion = false;
    private boolean compareScope = false;

    public MetadataGraphVertex(ArtifactMetadata md) {
        super();
        this.md = md;
    }

    public MetadataGraphVertex(ArtifactMetadata md, boolean compareVersion, boolean compareScope) {
        this(md);
        this.compareVersion = compareVersion;

  @SuppressWarnings("DoNotCall")
  public void testExpiringMemoizedSupplierThreadSafe() throws Throwable {
    Function<Supplier<Boolean>, Supplier<Boolean>> memoizer =
        new Function<Supplier<Boolean>, Supplier<Boolean>>() {
          @Override
          public Supplier<Boolean> apply(Supplier<Boolean> supplier) {
            return Suppliers.memoizeWithExpiration(supplier, Long.MAX_VALUE, NANOSECONDS);
          }
        };

  @SuppressWarnings("DoNotCall")
  public void testExpiringMemoizedSupplierThreadSafe() throws Throwable {
    Function<Supplier<Boolean>, Supplier<Boolean>> memoizer =
        new Function<Supplier<Boolean>, Supplier<Boolean>>() {
          @Override
          public Supplier<Boolean> apply(Supplier<Boolean> supplier) {
            return Suppliers.memoizeWithExpiration(supplier, Long.MAX_VALUE, NANOSECONDS);
          }
        };

        }

        @Override
        public ComparisonChain compareTrueFirst(boolean left, boolean right) {
          return classify(Boolean.compare(right, left)); // reversed
        }

        @Override
        public ComparisonChain compareFalseFirst(boolean left, boolean right) {
          return classify(Boolean.compare(left, right));
        }

        ComparisonChain classify(int result) {

public class AppendableWriterTest extends IoTestCase {

  /** Helper class for testing behavior with Flushable and Closeable targets. */
  private static class SpyAppendable implements Appendable, Flushable, Closeable {
    boolean flushed;
    boolean closed;
    final StringBuilder result = new StringBuilder();

    @Override
    public Appendable append(CharSequence csq) {
      result.append(csq);
      return this;
    }

    @Override

    protected AbstractMavenPluginParametersValidator(PluginValidationManager pluginValidationManager) {
        this.pluginValidationManager = requireNonNull(pluginValidationManager);
    }

    protected boolean isValueSet(PlexusConfiguration config, ExpressionEvaluator expressionEvaluator) {
        if (config == null) {
            return false;
        }

        // there are sub items ... so configuration is declared

        protected void mergeDependency_Optional(
                Dependency target, Dependency source, boolean sourceDominant, Map<Object, Object> context) {
            // optional flag is not managed
        }

        @Override
        protected void mergeDependency_Exclusions(
                Dependency target, Dependency source, boolean sourceDominant, Map<Object, Object> context) {
            List<Exclusion> tgt = target.getExclusions();

		} else if b, err = ParseBoolFlag(s); err == nil {
			*bf = b
		}
	}

	return err
}

// FormatBool prints stringified version of boolean.
func FormatBool(b bool) string {
	if b {
		return "on"
	}
	return "off"
}

// ParseBool returns the boolean value represented by the string.
// It accepts 1, t, T, TRUE, true, True, 0, f, F, FALSE, false, False.
// Any other value returns an error.

  private val renameFaults: MutableSet<Path> = LinkedHashSet()

  fun setFaultyWrite(
    file: Path,
    faulty: Boolean,
  ) {
    if (faulty) {
      writeFaults.add(file)
    } else {
      writeFaults.remove(file)
    }
  }

  fun setFaultyDelete(
    file: Path,
    faulty: Boolean,
  ) {
    if (faulty) {
      deleteFaults.add(file)
    } else {
      deleteFaults.remove(file)
    }
  }

    void setArtifactId(String artifactId);

    boolean isSnapshot();

    void setResolved(boolean resolved);

    boolean isResolved();

    void setResolvedVersion(String version);

    void setArtifactHandler(ArtifactHandler handler);

    boolean isRelease();

    void setRelease(boolean release);

    List<ArtifactVersion> getAvailableVersions();