/**
   * Determines whether two possibly-null objects are equal. Returns:
   *
   * <ul>
   *   <li>{@code true} if {@code a} and {@code b} are both null.
   *   <li>{@code true} if {@code a} and {@code b} are both non-null and they are equal according to
   *       {@link Object#equals(Object)}.
   *   <li>{@code false} in all other situations.
   * </ul>
   *

            @Nonnull Session session, @Nonnull Collection<? extends ArtifactCoordinates> coordinates) {
        return builder()
                .session(nonNull(session, "session cannot be null"))
                .coordinates(nonNull(coordinates, "coordinates cannot be null"))
                .build();
    }

    @Nonnull
    static ArtifactResolverRequest build(
            @Nonnull Session session,

    in 191..242 -> "8.1.13.v20181017"
    else -> null
  }
}

/**
 * Returns the alpn-boot version specific to this OpenJDK 8 JVM, or null if this is not a Java 8 VM.
 * https://github.com/xjdr/xio/blob/master/alpn-boot.gradle
 */
fun alpnBootVersion(): String? {
  val version = System.getProperty("alpn.boot.version")

  if (version != null) {
    return version
  }

     */
    public StringModelSource(CharSequence pom) {
        this(pom, null);
    }

    /**
     * Creates a new model source backed by the specified string.
     *
     * @param pom The POM's string representation, may be empty or {@code null}.
     * @param location The location to report for this use, may be {@code null}.
     */

     * @param model The model to validate, 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}.
     * @since 4.0.0
     */
    default void validateExternalProfiles(

        final T value = getValue(doc, key, clazz);
        if (value == null) {
            return defaultValue;
        }
        return value;
    }

    @SuppressWarnings("unchecked")
    public static <T> T getValue(final Map<String, Object> doc, final String key, final Class<T> clazz) {
        if (doc == null || key == null) {
            return null;
        }

        final Object value = doc.get(key);

        if (classpath == null || classpath.size() < 1) {
            return null;
        }

        MetadataTreeNode tree = null;
        MetadataTreeNode parent = null;

        for (ArtifactMetadata md : classpath) {
            MetadataTreeNode node = new MetadataTreeNode(md, parent, md.isResolved(), md.getArtifactScope());
            if (tree == null) {
                tree = node;
            }

@SuppressSignatureCheck
sealed class ConnectionEvent {
  abstract val timestampNs: Long
  open val connection: Connection?
    get() = null

  /** Returns if the event closes this event, or null if this is no open event. */
  open fun closes(event: ConnectionEvent): Boolean? = null

  val name: String
    get() = javaClass.simpleName

  data class ConnectStart(
    override val timestampNs: Long,
    val route: Route,

        assertEquals(new Byte("1"), NumberConversionUtil.convertPrimitiveWrapper(byte.class, "1"));
        assertEquals(new Byte("0"), NumberConversionUtil.convertPrimitiveWrapper(byte.class, null));
    }

    /**
     * @throws Exception
     */
    public void testFindFractionDelimeter() throws Exception {
        final String delim = NumberConversionUtil.findDecimalSeparator(Locale.JAPAN);

        return false;
    }

    public String getGroupId() {
        return groupId;
    }

    public String getArtifactId() {
        return null;
    }

    public String getBaseVersion() {
        return null;
    }

    public void addPluginMapping(String goalPrefix, String artifactId) {
        addPluginMapping(goalPrefix, artifactId, artifactId);
    }