import static java.util.stream.Collectors.toMap;

/**
 * Describes the environmental context used to determine the activation status of profiles.
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public class DefaultProfileActivationContext implements ProfileActivationContext {

    private List<String> activeProfileIds = Collections.emptyList();

 * All others can simply be copied from source to target to restore the locationTracker
 *
 * @since 4.0.0
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
class FileToRawModelMerger extends MavenMerger {

    @Override
    protected void mergeBuild_Extensions(

 * <li>error - (partial) model and diagnostics
 * </ol>
 * Could encode these variants as subclasses, but kept in one for now
 *
 * @param <T> the model type
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public class Result<T> {

    /**
     * Success without warnings
     *
     * @param model
     */
    public static <T> Result<T> success(T model) {

 */
package org.apache.maven.utils;

import java.io.File;
import java.util.Locale;
import java.util.stream.Stream;

/**
 * OS support
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public class Os {

    /**
     * The OS Name.
     */
    public static final String OS_NAME = System.getProperty("os.name").toLowerCase(Locale.ENGLISH);

import org.apache.maven.model.merge.MavenModelMerger;

/**
 * Handles injection of plugin management into the model.
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@SuppressWarnings({"checkstyle:methodname"})
@Named
@Singleton
@Deprecated(since = "4.0.0")
public class DefaultPluginManagementInjector implements PluginManagementInjector {

 * system properties and user properties.
 *
 * @see ActivationFile
 * @see org.apache.maven.model.validation.DefaultModelValidator#validateRawModel
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Named("file")
@Singleton
@Deprecated(since = "4.0.0")
public class FileProfileActivator implements ProfileActivator {

    @Inject

 * providing a simple error message, leaving the donkey work of creating a nice model problem to this component.
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
class DefaultModelProblemCollector implements ModelProblemCollectorExt {

    private final ModelBuildingResult result;

    private List<ModelProblem> problems;

import java.util.List;

import org.apache.maven.model.Model;
import org.apache.maven.model.Profile;

/**
 * Collects the output of the model builder.
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public interface ModelBuildingResult {

    /**
     * Gets the sequence of model identifiers that denote the lineage of models from which the effective model was

 * or a simple string message. In addition, a problem carries a hint about its source, e.g. the POM file that exhibits
 * the problem.
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public interface ModelProblem {

    /**
     * The different severity levels for a problem, in decreasing order.
     */
    enum Severity {
        FATAL, //

import org.apache.maven.model.merge.MavenModelMerger;
import org.codehaus.plexus.util.StringUtils;

/**
 * Handles inheritance of model values.
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@SuppressWarnings({"checkstyle:methodname"})
@Named
@Singleton
@Deprecated(since = "4.0.0")
public class DefaultInheritanceAssembler implements InheritanceAssembler {