import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;

/**
 * @deprecated use {@link org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
class Graph {

    final Map<String, Set<String>> graph = new LinkedHashMap<>();

    synchronized void addEdge(String from, String to) throws CycleDetectedException {

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

/**
 * @deprecated use {@link org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public class IntrospectionException extends Exception {

    /**
     *
     */
    private static final long serialVersionUID = -6090771282553728784L;

 * under the License.
 */
package org.apache.maven.model.resolution;

import org.apache.maven.model.Model;

/**
 * WorkspaceModelResolver
 *
 * @deprecated use {@link org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public interface WorkspaceModelResolver {

    Model resolveRawModel(String groupId, String artifactId, String versionConstraint)
            throws UnresolvableModelException;

 */
package org.apache.maven.model.building;

/**
 * Provides a skeleton implementation for model building listeners. The methods of this class are empty.
 *
 * @deprecated use {@link org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public class AbstractModelBuildingListener implements ModelBuildingListener {

    @Override
    public void buildExtensionsAssembled(ModelBuildingEvent event) {

import org.apache.maven.utils.Os;

/**
 * Determines profile activation based on the operating system of the current runtime platform.
 *
 * @see ActivationOS
 * @deprecated use {@link org.apache.maven.api.services.ModelBuilder} instead
 */
@Named("os")
@Singleton
@Deprecated(since = "4.0.0")
public class OperatingSystemProfileActivator implements ProfileActivator {

    private static final String REGEX_PREFIX = "regex:";

import org.apache.maven.model.building.ModelProblemCollector;

/**
 * Handles profile injection into the model.
 *
 * @deprecated use {@link org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public interface ProfileInjector {

    /**
     * Merges values from the specified profile into the given model. Implementations are expected to keep the profile

import java.util.function.Supplier;

import org.apache.maven.model.Model;
import org.apache.maven.model.locator.ModelLocator;

/**
 *
 * @since 4.0.0
 * @deprecated use {@link org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
class DefaultTransformerContext implements TransformerContext {
    final ModelLocator modelLocator;

    final Map<String, String> userProperties = new ConcurrentHashMap<>();

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

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

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

/**
 * ModelSourceTransformer for the build pom
 *
 * @since 4.0.0
 * @deprecated use {@link org.apache.maven.api.services.ModelBuilder} instead
 */
@Named
@Singleton
@Deprecated(since = "4.0.0")
class BuildModelSourceTransformer implements ModelSourceTransformer {

    public static final String NAMESPACE_PREFIX = "http://maven.apache.org/POM/";

 * 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 {@link org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public class DefaultModelProblem implements ModelProblem {

    private final String source;

    private final int lineNumber;

    private final int columnNumber;