@Experimental
@Immutable
public interface BuilderProblem {

    /**
     * Gets the hint about the source of the problem. While the syntax of this hint is unspecified and depends on the
     * creator of the problem, the general expectation is that the hint provides sufficient information to the user to
     * track the problem back to its origin. A concrete example for such a source hint can be the file path or URL from
     * which the settings were read.

import org.eclipse.aether.util.filter.AndDependencyFilter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Provides basic services to manage Maven plugins and their mojos. This component is kept general in its design such
 * that the plugins/mojos can be used in arbitrary contexts. In particular, the mojos can be used for ordinary build
 * plugins as well as special purpose plugins like reports.
 *
 * @since 3.0
 */

        ERROR, //
        WARNING //
    }

    /**
     * Gets the hint about the source of the problem. While the syntax of this hint is unspecified and depends on the
     * creator of the problem, the general expectation is that the hint provides sufficient information to the user to
     * track the problem back to its origin. A concrete example for such a source hint can be the file path or URL from
     * which the settings were read.

    // 3) Create RepositorySystemSession.
    //
    // 4) Create MavenSession.
    //
    // 5) Execute AbstractLifecycleParticipant.afterSessionStart(session)
    //
    // 6) Get reactor projects looking for general POM errors
    //
    // 7) Create ProjectDependencyGraph using trimming which takes into account --projects and reactor mode.
    // This ensures that the projects passed into the ReactorReader are only those specified.

/**
 * Collects the output of the project builder.
 *
 */
public interface ProjectBuildingResult {

    /**
     * Gets the identifier of the project that could not be built. The general format of the identifier is {@code
     * <groupId>:<artifactId>:<version>} but some of these coordinates may still be unknown at the point the exception
     * is thrown so this information is merely meant to assist the user.
     *

import org.apache.maven.api.services.ModelProblemCollector;
import org.apache.maven.api.services.model.PluginConfigurationExpander;
import org.apache.maven.api.xml.XmlNode;

/**
 * Handles expansion of general build plugin configuration into individual executions.
 *
 */
@Named
@Singleton
public class DefaultPluginConfigurationExpander implements PluginConfigurationExpander {

    @Override

/**
 * Result of a project build call.
 *
 * @since 4.0.0
 */
@Experimental
public interface ProjectBuilderResult {

    /**
     * Gets the identifier of the project that could not be built. The general format of the identifier is {@code
     * <groupId>:<artifactId>:<version>} but some of these coordinates may still be unknown at the point the exception
     * is thrown so this information is merely meant to assist the user.
     *

     *            {@code null} or empty.
     * @param pluginExecutionId The id of a plugin execution whose configuration should be used, may be {@code null} or
     *            empty to use the general plugin configuration.
     * @return This request for chaining, never {@code null}.
     */
    public DefaultBeanConfigurationRequest setConfiguration(

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

/**
 * Handles expansion of general build plugin configuration into individual executions.
 *
 */
public interface PluginConfigurationExpander {

    /**
     * Merges values from general build plugin configuration into the individual plugin executions of the given model.
     *

        BASE,
        V20,
        V30,
        V31,
        V40
    }

    /**
     * Gets the identifier of the model from which the problem originated. While the general form of this identifier is
     * <code>groupId:artifactId:version</code> the returned identifier need not be complete. The identifier is derived