val connectionPool = it.connectionPool

      connectionPool.evictAll()
      if (connectionPool.connectionCount() > 0) {
        // Minimise test flakiness due to possible race conditions with connections closing.
        // Some number of tests will report here, but not fail due to this delay.
        println("Delaying to avoid flakes")
        Thread.sleep(500L)
        println("After delay: " + connectionPool.connectionCount())
      }

      Set<Object> seenKeys = new HashSet<>();
      BitSet dups = new BitSet(); // slots that are overridden by a later duplicate key
      for (int i = size - 1; i >= 0; i--) {
        Object key = requireNonNull(localAlternatingKeysAndValues[2 * i]);
        if (!seenKeys.add(key)) {
          dups.set(i);
        }
      }
      if (dups.isEmpty()) {
        return localAlternatingKeysAndValues;
      }

      null
    }
  }

  override fun trustManager(sslSocketFactory: SSLSocketFactory): X509TrustManager? {
    // Not supported due to access checks on JDK 9+:
    // java.lang.reflect.InaccessibleObjectException: Unable to make member of class
    // sun.security.ssl.SSLSocketFactoryImpl accessible:  module java.base does not export

     * be {@code a -> c}.
     * <p>
     * Original code would falsely report {@code a} project as "without dependencies", basically would lose link due
     * filtering. This causes build ordering issues in concurrent builders.
     */
    private List<MavenProject> applyFilter(
            Collection<? extends MavenProject> projects, boolean transitive, boolean upstream) {

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.model.io;

import java.io.IOException;

/**
 * Signals a failure to parse the POM due to invalid syntax (e.g. non well formed XML or unknown elements).
 *
 * @deprecated use {@link org.apache.maven.api.services.xml.ModelXmlFactory} instead
 */
@Deprecated(since = "4.0.0")

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.settings.io;

import java.io.IOException;

/**
 * Signals a failure to parse the settings due to invalid syntax (e.g. non well formed XML or unknown elements).
 *
 * @deprecated since 4.0.0, use {@link org.apache.maven.api.services.xml.SettingsXmlFactory} instead
 */
@Deprecated(since = "4.0.0")

        if (timeout <= 0) {
            return null;
        }
        return TimeoutManager.getInstance().addTimeoutTarget(() -> {
            logger.warn("Process is terminated due to {} second exceeded.", timeout);
            ComponentUtil.getProcessHelper().destroyProcess(sessionId);
            processTimeout = true;
        }, timeout, false);
    }

// a very high probability.
//
// Therefore, an S3 implementation may encrypt an ETag before storing
// it. In this case, the stored ETag may not be a well-formed S3 ETag.
// For example, it can be larger due to a checksum added by authenticated
// encryption schemes. Such an ETag must be decrypted before sent to an
// S3 client.
//
// # S3 Clients
//
// There are many different S3 client implementations. Most of them

 * under the License.
 */
package org.apache.maven.artifact.repository.metadata.io;

import java.io.IOException;

/**
 * Signals a failure to parse the metadata due to invalid syntax (e.g. non well formed XML or unknown elements).
 *
 */
public class MetadataParseException extends IOException {

    /**
     * The one-based index of the line containing the error.
     */

                    .filter(str -> str != null && !str.isEmpty())
                    .forEach(request.getProjectActivation()::activateOptionalProject);
            LOGGER.info("Resuming from {} due to the --resume / -r feature.", propertyValue);
        }
    }