*/
internal class BootstrapDns(
  private val dnsHostname: String,
  private val dnsServers: List<InetAddress>,
) : Dns {
  @Throws(UnknownHostException::class)
  override fun lookup(hostname: String): List<InetAddress> {
    if (this.dnsHostname != hostname) {
      throw UnknownHostException(
        "BootstrapDns called for $hostname instead of $dnsHostname",
      )
    }

 * under the License.
 */
package org.apache.maven.api.services;

import java.io.Serial;

import org.apache.maven.api.annotations.Experimental;

/**
 * The Exception class throw by the {@link Lookup} service.
 *
 * @since 4.0.0
 */
@Experimental
public class LookupException extends MavenException {

    @Serial
    private static final long serialVersionUID = -6259322450070320286L;

     *
     * @param id the id of the type to retrieve
     * @return the type
     */
    @Nonnull
    @Override
    default Type require(@Nonnull String id) {
        return lookup(id).orElseThrow(() -> new IllegalArgumentException("Unknown extensible enum value '" + id + "'"));
    }

                 * for the addresses hostname or failed lookups for one type will
                 * be cached and cause other types to fail even though they may
                 * not be the authority for the name. For example, if a WINS lookup
                 * for FOO fails and caches unknownAddress for FOO, a subsequent
                 * lookup for FOO using BCAST should not fail because of that

		prof.stopFn = func() ([]byte, error) {
			runtime.GC()
			var buf bytes.Buffer
			err := pprof.Lookup("heap").WriteTo(&buf, 0)
			return buf.Bytes(), err
		}
	case madmin.ProfilerBlock:
		runtime.SetBlockProfileRate(100)
		prof.stopFn = func() ([]byte, error) {
			var buf bytes.Buffer
			err := pprof.Lookup("block").WriteTo(&buf, 0)
			runtime.SetBlockProfileRate(0)
			return buf.Bytes(), err
		}

        .addSubjectAlternativeName("san.com")
        .addSubjectAlternativeName("*.wildcard.com")
        .addSubjectAlternativeName("differentdns.com")
        .build()
    serverIps = Dns.SYSTEM.lookup(server.hostName)
    dns[server.hostName] = serverIps
    dns["san.com"] = serverIps
    dns["nonsan.com"] = serverIps
    dns["www.wildcard.com"] = serverIps
    dns["differentdns.com"] = listOf()

   */
  open fun proxySelectEnd(
    call: Call,
    url: HttpUrl,
    proxies: List<@JvmSuppressWildcards Proxy>,
  ) {
  }

  /**
   * Invoked just prior to a DNS lookup. See [Dns.lookup].
   *
   * This can be invoked more than 1 time for a single [Call]. For example, if the response to the
   * [Call.request] is a redirect to a different host.
   *

     */

    @Override
    public ConflictResolver getConflictResolver(String type) throws ConflictResolverNotFoundException {
        try {
            return (ConflictResolver) container.lookup(ConflictResolver.ROLE, type);
        } catch (ComponentLookupException exception) {
            throw new ConflictResolverNotFoundException("Cannot find conflict resolver of type: " + type);
        }
    }

  var time = System.currentTimeMillis()
  for (dns in dnsProviders) {
    println("Testing ${dns.url}")
    for (host in names) {
      print("$host: ")
      System.out.flush()
      try {
        val results = dns.lookup(host)
        println(results)
      } catch (uhe: UnknownHostException) {
        var e: Throwable? = uhe
        while (e != null) {
          println(e)
          e = e.cause
        }
      }
    }

                RepositorySystem repoSystem = container.lookup(RepositorySystem.class);
                result = repoSystem.resolveArtifact(session, artifactRequest);
            } catch (ComponentLookupException e) {
                throw new IllegalStateException("Unable to lookup " + RepositorySystem.class.getName());
            } catch (org.eclipse.aether.resolution.ArtifactResolutionException e) {