<id>core-extensions</id>
  <name>CoreExtensions</name>
  <description><![CDATA[
  <p>This is a reference for the Core Extensions descriptor.</p>
  <p>The default location for the Core Extensions descriptor file is <code>${maven.projectBasedir}/.mvn/extensions.xml</code></p>
  ]]></description>

  <defaults>
    <default>
      <key>package</key>

        this.ptype = 0;
        this.flags = DCERPC_FIRST_FRAG | DCERPC_LAST_FRAG;
    }

    /**
     * Returns the security descriptor of the share as an array of ACEs.
     *
     * @return an array of ACE objects representing the share's security descriptor
     * @throws IOException if there is an error retrieving the security information
     */
    public ACE[] getSecurity() throws IOException {

 * {{{./artifact-handlers.html}default artifact handlers}}, to manage {{{../maven-model/maven.html#class_dependency}dependency types}},

 * {{{./extension.html}extension descriptor}} and {{{./core-extensions.html}core extensions}},

 * {{{/guides/mini/guide-maven-classloading.html}classloader hierarchy}} done by <<<ClassRealmManager>>> component

            } catch (Exception e) {
                if (logger.isDebugEnabled()) {
                    logger.warn("Failed to retrieve plugin descriptor for {}: {}", plugin.getId(), e.getMessage(), e);
                } else {
                    logger.warn("Failed to retrieve plugin descriptor for {}: {}", plugin.getId(), e.getMessage());
                }
            }
        }

        return null;
    }

import javax.inject.Named;
import javax.inject.Singleton;

import org.apache.maven.execution.MavenSession;
import org.apache.maven.plugin.PluginValidationManager;
import org.apache.maven.plugin.descriptor.MojoDescriptor;
import org.apache.maven.plugin.descriptor.Parameter;
import org.codehaus.plexus.component.configurator.expression.ExpressionEvaluator;
import org.codehaus.plexus.configuration.PlexusConfiguration;

/**

import java.util.function.Consumer;

import org.apache.maven.plugin.descriptor.PluginDescriptor;

/**
 * Service responsible for checking if plugin's prerequisites are met.
 */
@FunctionalInterface
public interface MavenPluginPrerequisitesChecker extends Consumer<PluginDescriptor> {
    /**
     *
     * @param pluginDescriptor the plugin descriptor to check

import java.util.List;
import java.util.Map;

import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Nonnull;
import org.apache.maven.api.plugin.descriptor.PluginDescriptor;
import org.apache.maven.api.plugin.descriptor.lifecycle.Lifecycle;

/**
 * Represents a maven plugin runtime
 *
 * @since 4.0.0
 */
@Experimental
public interface Plugin {

    @Nonnull

import java.util.HashMap;
import java.util.Objects;

import org.apache.maven.execution.MavenSession;
import org.apache.maven.plugin.PluginValidationManager;
import org.apache.maven.plugin.descriptor.MojoDescriptor;
import org.apache.maven.plugin.descriptor.Parameter;
import org.codehaus.plexus.component.configurator.expression.ExpressionEvaluator;
import org.codehaus.plexus.configuration.PlexusConfiguration;

/**

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

import org.apache.maven.execution.MavenSession;
import org.apache.maven.plugin.descriptor.MojoDescriptor;
import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.aether.artifact.Artifact;

/**
 * Component collecting plugin validation issues and reporting them.
 *
 * @since 3.9.2
 */

 */
package org.apache.maven.plugin;

import java.util.List;

import org.apache.maven.execution.MavenSession;
import org.apache.maven.model.Plugin;
import org.apache.maven.plugin.descriptor.MojoDescriptor;
import org.apache.maven.plugin.descriptor.PluginDescriptor;
import org.codehaus.plexus.classworlds.realm.ClassRealm;
import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.aether.repository.RemoteRepository;

/**