verbose " - Running Downloader.java ..."
  "$(native_path "$JAVACMD")" -cp "$(native_path "$TMP_DOWNLOAD_DIR")" Downloader "$distributionUrl" "$(native_path "$targetZip")"
fi

# If specified, validate the SHA-256 sum of the Maven distribution zip file
if [ -n "${distributionSha256Sum-}" ]; then
  distributionSha256Result=false
  if [ "$MVN_CMD" = mvnd.sh ]; then

        List<MavenOptions> o = options.stream().filter(Objects::nonNull).toList();
        if (o.isEmpty()) {
            throw new IllegalArgumentException("No options specified (or all were null)");
        } else if (o.size() == 1) {
            return o.get(0);
        } else {
            return new LayeredMavenOptions<>(o);
        }
    }

    protected LayeredMavenOptions(List<O> options) {
        super(options);
    }

  /**
   * Compares two {@code int} values as specified by {@link Integer#compare}, <i>if</i> the result
   * of this comparison chain has not already been determined.
   */
  public abstract ComparisonChain compare(int left, int right);

  /**
   * Compares two {@code long} values as specified by {@link Long#compare}, <i>if</i> the result of

public interface ToolchainManager {

    // NOTE: Some plugins like Surefire access this field directly!
    @Deprecated
    String ROLE = ToolchainManager.class.getName();

    /**
     * Retrieve toolchain of specified type from build context. It is expected that
     * <code>maven-toolchains-plugin</code> contains the configuration to select the appropriate
     * toolchain and is executed at the beginning of the build.
     *

 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public interface ModelResolver {

    /**
     * Tries to resolve the POM for the specified coordinates.
     *
     * @param groupId The group identifier of the POM, must not be {@code null}.
     * @param artifactId The artifact identifier of the POM, must not be {@code null}.

     * Runs the thread to continuously read lines from the input stream.
     * Each line is processed by the output callback (if provided) and added to the buffer.
     * The buffer is maintained as a circular buffer with the specified size.
     */
    @Override
    public void run() {
        boolean running = true;
        while (running) {
            try {
                final String line = br.readLine();

            if (authenticator != null) {
                return authenticator.getLoginCredential();
            }
        }
        return null;
    }

    /**
     * Gets the appropriate response for the specified SSO response type.
     *
     * @param responseType The type of SSO response required (e.g., METADATA, LOGOUT)
     * @return The action response from the SSO authenticator, or null if SSO is not available
     */

        problem = new DefaultProblem(null, null, null, Integer.MAX_VALUE, -1, null);
        assertEquals(Integer.MAX_VALUE, problem.getLineNumber());

        // this case is not specified, might also return -1
        problem = new DefaultProblem(null, null, null, Integer.MIN_VALUE, -1, null);
        assertEquals(Integer.MIN_VALUE, problem.getLineNumber());
    }

    @Test

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.model.interpolation.reflection;

import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.util.Hashtable;
import java.util.Map;

/**
 * A cache of introspection information for a specific class instance.

    }

    /**
     * Returns count of problems reported for given severities.
     *
     * @param severities the severity levels to count problems for
     * @return the total count of problems for the specified severities
     */
    int problemsReportedFor(BuilderProblem.Severity... severities);

    /**
     * Returns {@code true} if reported problem count exceeded allowed count, and issues were lost. When this