* artifactId, and version for the plugin; at times, the goal name for which
 * execution failed; a message detailing the problem; the ClassRealm used to
 * look up the plugin; and the Plexus exception that caused this error.
 *
 *
 */
public class PluginContainerException extends PluginManagerException {

    private ClassRealm pluginRealm;

    }

    public void execute(MavenSession session) {
        lifecycleStarter.execute(session);
    }

    // These methods deal with construction intact Plugin object that look like they come from a standard
    // <plugin/> block in a Maven POM. We have to do some wiggling to pull the sources of information
    // together and this really shows the problem of constructing a sensible default configuration but

        boolean isWindows = actualOsName.contains(FAMILY_WINDOWS);
        boolean is9x = false;
        boolean isNT = false;
        if (isWindows) {
            // there are only four 9x platforms that we look for
            is9x = (actualOsName.contains("95")
                    || actualOsName.contains("98")
                    || actualOsName.contains("me")
                    // wince isn't really 9x, but crippled enough to

    // can be passed back so that the default configuration information can be populated.
    //
    // We need to know the specific version so that we can look up the right version of the plugin descriptor
    // which tells us what the default configuration is.
    //

    /**

                        }
                    }
                }
                // if not then I need to grab the mojo descriptor and look at the phase that is specified
                else {
                    for (String goal : execution.getGoals()) {
                        MojoDescriptor mojoDescriptor = pluginManager.getMojoDescriptor(

        this.lookup = requireNonNull(lookup);
        this.defaultLifeCycles = requireNonNull(defaultLifeCycles);
    }

    // These methods deal with construction intact Plugin object that look like they come from a standard
    // <plugin/> block in a Maven POM. We have to do some wiggling to pull the sources of information
    // together and this really shows the problem of constructing a sensible default configuration but

------------

If you are interested in the development of Maven, please consult the
documentation first and afterward you are welcome to join the developers
mailing list to ask questions or discuss new ideas/features/bugs etc.

Take a look into the [contribution guidelines](CONTRIBUTING.md).

License
-------
This code is under the [Apache License, Version 2.0, January 2004][license].

See the [`NOTICE`](./NOTICE) file for required notices and attributions.

 * property which happens very early.  The implementation used in this case
 * will be discovered using the JDK service mechanism.
 *
 * The default implementation will look for a {@code .mvn} child directory
 * or a {@code pom.xml} containing the {@code root="true"} attribute.
 */
public interface RootLocator {

import org.apache.maven.api.services.ModelProblemCollector;

/**
 * Handles normalization of a model. In this context, normalization is the process of producing a canonical
 * representation for models that physically look different but are semantically equivalent.
 *
 */
public interface ModelNormalizer {

    /**
     * Merges duplicate elements like multiple declarations of the same build plugin in the specified model.
     *

     * the mojo execution. The mojo/plugin descriptor associated with the mojo execution provides the class realm to
     * look up the mojo from. <strong>Warning:</strong> The returned mojo instance must be released via
     * {@link #releaseMojo(Object, MojoExecution)} when the mojo is no longer needed to free any resources allocated for
     * it.
     *