import org.apache.maven.plugin.InvalidPluginDescriptorException;
import org.apache.maven.plugin.MojoExecution;
import org.apache.maven.plugin.MojoNotFoundException;
import org.apache.maven.plugin.PluginDescriptorParsingException;
import org.apache.maven.plugin.PluginNotFoundException;
import org.apache.maven.plugin.PluginResolutionException;
import org.apache.maven.plugin.descriptor.MojoDescriptor;

        String indent = "";
        ArrayList<String> trackingData = new ArrayList<>();

        if (collectStepTrace == null && plugin != null) {
            ext = ".plugin";
            baseName = plugin.getGroupId() + "_" + plugin.getArtifactId() + "_" + plugin.getVersion();
            trackingFile = trackingDir.resolve(baseName + ext);
            if (Files.exists(trackingFile)) {
                return;

 * specific language governing permissions and limitations
 * under the License.
 */
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;

%{snippet|id=ejb|file=${project.basedir}/src/main/java/org/apache/maven/lifecycle/providers/packaging/EjbLifecycleMappingProvider.java}

* Plugin bindings for <<<maven-plugin>>> packaging

%{snippet|id=maven-plugin|file=${project.basedir}/src/main/java/org/apache/maven/lifecycle/providers/packaging/MavenPluginLifecycleMappingProvider.java}

* Plugin bindings for <<<war>>> packaging

            </execution>
          </executions>
        </plugin>
        <plugin>
          <groupId>org.apache.felix</groupId>
          <artifactId>maven-bundle-plugin</artifactId>
          <version>1.0.0</version>
        </plugin>
        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-surefire-plugin</artifactId>
          <version>2.4.2</version>
        </plugin>

            </execution>
          </executions>
        </plugin>
        <plugin>
          <groupId>org.apache.felix</groupId>
          <artifactId>maven-bundle-plugin</artifactId>
          <version>1.0.0</version>
        </plugin>
        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-surefire-plugin</artifactId>
          <version>2.4.2</version>
        </plugin>

<project>
    <modelVersion>4.0.0</modelVersion>
    <groupId>tests.project</groupId>
    <artifactId>duplicate-plugin-defs-merged</artifactId>
    <version>1</version>

    <build>
      <plugins>
        <plugin>
          <artifactId>maven-compiler-plugin</artifactId>
          <dependencies>
            <dependency>
              <groupId>group</groupId>
              <artifactId>first</artifactId>
              <version>1</version>

      <scope>compile</scope>
    </dependency>
  </dependencies>
  <build>
    <plugins>
      <plugin>
        <artifactId>maven-surefire-plugin</artifactId>
        <configuration>
          <forkMode>once</forkMode>
        </configuration>
      </plugin>
      <plugin>
        <artifactId>maven-compiler-plugin</artifactId>
        <configuration>
          <excludes>

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

import org.eclipse.aether.repository.ArtifactRepository;

/**
 * Describes the result of a plugin version resolution request.
 *
 * @since 3.0
 */
public interface PluginVersionResult {

    /**
     * The resolved plugin version.
     *
     * @return The resolved plugin version, never {@code null}.
     */
    String getVersion();

  <build>
    <plugins>
      <plugin>
        <artifactId>maven-surefire-plugin</artifactId>
        <configuration>
          <forkMode>once</forkMode>
          <excludes>
            <exclude>**/Test*.java</exclude>
            <exclude>**/Abstract*.java</exclude>
          </excludes>
        </configuration>
      </plugin>
      <plugin>
        <artifactId>maven-assembly-plugin</artifactId>