import org.apache.maven.toolchain.building.DefaultToolchainsBuildingRequest;
import org.apache.maven.toolchain.building.ToolchainsBuildingException;
import org.apache.maven.toolchain.building.ToolchainsBuildingResult;

@Named
@Singleton
public class DefaultToolchainsBuilder implements ToolchainsBuilder {

    private final org.apache.maven.toolchain.building.ToolchainsBuilder builder;

    @Inject

import org.apache.maven.api.settings.Settings;
import org.apache.maven.settings.building.DefaultSettingsBuildingRequest;
import org.apache.maven.settings.building.SettingsBuildingException;
import org.apache.maven.settings.building.SettingsBuildingResult;
import org.apache.maven.settings.building.SettingsProblem;
import org.apache.maven.settings.building.SettingsSource;

@Named
@Singleton

import javax.inject.Singleton;

import java.io.File;
import java.util.ArrayList;
import java.util.List;

import org.apache.maven.execution.MavenExecutionRequest;
import org.apache.maven.model.building.ModelProblem;
import org.apache.maven.model.building.ModelProblemUtils;
import org.apache.maven.project.MavenProject;
import org.apache.maven.project.ProjectBuilder;
import org.apache.maven.project.ProjectBuildingException;

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

import java.util.ArrayList;
import java.util.List;

/**
 * Collects problems that are encountered during settings building.
 *
 */
class DefaultProblemCollector implements ProblemCollector {

    private final List<Problem> problems;

    private String source;

     * Gets the problems that were encountered during the settings building. Note that only problems of severity
     * {@link BuilderProblem.Severity#WARNING} and below are reported here. Problems with a higher severity level cause
     * the settings builder to fail with a {@link ToolchainsBuilderException}.
     *
     * @return the problems that were encountered during the settings building, can be empty but never {@code null}
     */
    @Nonnull

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

import java.util.List;

/**
 * Collects problems that are encountered during settings building.
 *
 */
public interface ProblemCollector {

    /**
     * Adds the specified problem.
     * Either message or exception is required
     *

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

/**
 * Holds data relevant for a model building event.
 */
record DefaultModelBuildingEvent(
        Model model, Consumer<Model> update, ModelBuilderRequest request, ModelProblemCollector problems)

import javax.xml.stream.XMLStreamException;

import java.io.IOException;
import java.nio.file.Path;

import org.apache.maven.api.model.Model;
import org.apache.maven.model.building.ModelBuildingException;
import org.apache.maven.project.MavenProject;
import org.eclipse.aether.RepositorySystemSession;

/**
 * This interface is not public and the purpose is to allow easy unit testing

    /**
     * Normalizes the well-known URLs of the specified model.
     *
     * @param model The model whose URLs should be normalized, may be {@code null}.
     * @param request The model building request that holds further settings, must not be {@code null}.
     */
    Model normalize(Model model, ModelBuilderRequest request);

import org.apache.maven.toolchain.v4.MavenToolchainsStaxReader;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * @deprecated instead use {@link org.apache.maven.toolchain.building.DefaultToolchainsBuilder}
 */
@Deprecated
@Named("default")
@Singleton
public class DefaultToolchainsBuilder implements ToolchainsBuilder {
    private final Logger logger = LoggerFactory.getLogger(getClass());