new ArtifactRepositoryPolicy(),
                new ArtifactRepositoryPolicy());
    }

    @Override
    public Artifact createPluginArtifact(Plugin plugin) {
        VersionRange versionRange;
        try {
            String version = plugin.getVersion();
            if (version == null || version.isEmpty()) {
                version = "RELEASE";
            }

 * under the License.
 */
package org.apache.maven.lifecycle;

import java.util.Set;

import org.apache.maven.model.Plugin;

/**
 * @since 3.0
 */
public interface LifeCyclePluginAnalyzer {
    Set<Plugin> getPluginsBoundByDefaultToAllLifecycles(String packaging);

import org.apache.maven.model.building.ModelProblemCollector;

/**
 * Handles injection of plugin management into the model.
 *
 * @deprecated use {@link org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public interface PluginManagementInjector {

    /**
     * Merges default values from the plugin management section of the given model into itself.
     *

  <groupId>com.example.group</groupId>
  <artifactId>testinvalidpom</artifactId>
  <version>0.0.1-SNAPSHOT</version>

  <build>
    <pluginManagement>
      <plugins>
        <plugin>
          <groupId></groupId>
          <artifactId/>
        </plugin>
      </plugins>
    </pluginManagement>
  </build>

import org.apache.maven.plugin.descriptor.io.PluginDescriptorStaxReader;
import org.codehaus.plexus.component.repository.ComponentDependency;
import org.codehaus.plexus.component.repository.ComponentRequirement;
import org.codehaus.plexus.configuration.PlexusConfiguration;
import org.codehaus.plexus.configuration.PlexusConfigurationException;

/**
 * Build plugin descriptor object from {@code plugin.xml}.
 *

    <jsp:include page="/WEB-INF/view/common/admin/sidebar.jsp">
        <jsp:param name="menuCategoryType" value="system"/>
        <jsp:param name="menuType" value="plugin"/>
    </jsp:include>
    <div class="content-wrapper">
        <div class="content-header">
            <div class="container-fluid">
                <div class="row mb-2">
                    <div class="col-sm-6">

 Plugins should avoid these classes and be updated to use only Maven3 dependencies (and require Maven3): see
 {{{https://cwiki.apache.org/confluence/display/MAVEN/Plugin+migration+to+Maven3+dependencies} Plugin migration to Maven3 dependencies}}

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

import org.apache.maven.api.annotations.ThreadSafe;
import org.apache.maven.plugin.logging.Log;

/**
 * This interface forms the contract required for <code>Mojos</code> to interact with the <code>Maven</code>
 * infrastructure.<br>

 * under the License.
 */
package org.apache.maven.usability.plugin;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.maven.usability.plugin.io.xpp3.ParamdocXpp3Reader;

    <p>A Toolchain is a preconfigured object that Maven plugins can use for tool configuration retrieval (location and other information).
    <p>The <a href="/plugins/maven-toolchains-plugin/">toolchains-plugin</a> can read available toolchains on the user's computer
    and match them against the toolchain requirements of the project (as configured in {@code pom.xml}):