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

import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
import java.util.Map;

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

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

import org.apache.maven.model.Model;
import org.apache.maven.model.Profile;
import org.apache.maven.model.building.ModelBuildingRequest;
import org.apache.maven.model.building.ModelProblemCollector;

/**
 * Handles profile injection into the model.
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */

     * behavior, this method accepts both the forward slash and the backward slash as separator.
     *
     * @param path The filesystem path, may be <code>null</code>.
     * @return The altered filesystem path or <code>null</code> if the input path was <code>null</code>.
     */
    private String chopLeadingFileSeparator(String path) {
        if (path != null) {
            if (path.startsWith("/") || path.startsWith("\\")) {

 * 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.
 *
 * @see DefaultRootLocator
 * @deprecated use {@code org.apache.maven.api.services.model.RootLocator} instead
 */
@Deprecated(since = "4.0.0")
public interface RootLocator {

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

import java.net.URL;

import org.apache.maven.building.UrlSource;

/**
 * Wraps an ordinary {@link URL} as a model source.
 *
 *
 * @deprecated instead use {@link UrlSource}
 */
@Deprecated
public class UrlModelSource extends UrlSource implements ModelSource {
    /**
     * Creates a new model source backed by the specified URL.
     *

 *   <li><strong>Module Conversion</strong>: Converts {@code <modules>} to {@code <subprojects>} and {@code <module>} to {@code <subproject>}</li>
 *   <li><strong>Model Version Update</strong>: Updates {@code <modelVersion>} to 4.1.0</li>
 * </ol>
 *
 * <h3>Default Behavior</h3>
 * If no specific options are provided, the tool applies {@code --fix-model} and {@code --plugins} by default to ensure Maven 4 compatibility.
 *

{* ../../docs_src/extra_models/tutorial001_py310.py hl[7,9,14,20,22,27:28,31:33,38:39] *}

### Über `**user_in.model_dump()` { #about-user-in-model-dump }

#### Pydantics `.model_dump()` { #pydantics-model-dump }

`user_in` ist ein Pydantic-Modell der Klasse `UserIn`.

     * @param request The model building request that holds further settings, must not be {@code null}.
     * @param problems The container used to collect problems that were encountered, must not be {@code null}.
     */
    void injectLifecycleBindings(Model model, ModelBuildingRequest request, ModelProblemCollector problems);

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

import javax.inject.Named;
import javax.inject.Singleton;

import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.maven.model.Dependency;
import org.apache.maven.model.DependencyManagement;
import org.apache.maven.model.Exclusion;
import org.apache.maven.model.Model;

    public ClassRealm createProjectRealm(Model model, List<Artifact> artifacts) {
        Objects.requireNonNull(model, "model cannot be null");

        ClassLoader parent = getMavenApiRealm();

        return createRealm(getKey(model), RealmType.Project, parent, null, null, artifacts);
    }

    private static String getKey(Model model) {