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

import java.util.Collections;
import java.util.List;

import org.apache.maven.api.annotations.Experimental;

/**
 * The Exception class throw by the {@link ProjectBuilder} service.
 *
 * @since 4.0.0
 */
@Experimental
public class ModelBuilderException extends MavenException {

 * One notable exception is the computation of the early {@code session.rootDirectory}
 * property which happens very early.  The implementation used in this case
 * 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.
 */
public interface RootLocator {

    @SuppressWarnings("unchecked")
    public <T extends Service> T getService(Class<T> clazz) throws NoSuchElementException {
        T t = (T) services.computeIfAbsent(clazz, this::lookup);
        if (t == null) {
            throw new NoSuchElementException(clazz.getName());
        }
        return t;
    }

    private Service lookup(Class<? extends Service> c) {
        try {
            return lookup.lookup(c);

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

import java.util.concurrent.atomic.AtomicReference;

import org.apache.maven.api.Service;
import org.apache.maven.api.Session;
import org.apache.maven.api.annotations.Nonnull;
import org.apache.maven.api.model.Dependency;
import org.apache.maven.api.model.Parent;

 * but at Maven runtime it MAY actually use that service.
 *
 * @since 4.0.0
 */
public interface ModelVersionParser {

    /**
     * Parses the specified version string, for example "1.0".
     *
     * @param version the version string to parse, must not be {@code null}
     * @return the parsed version, never {@code null}

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

import java.util.List;

import org.apache.maven.api.Service;
import org.apache.maven.api.model.Model;

public interface ModelBuilder extends Service {

    List<String> VALID_MODEL_VERSIONS = List.of("4.0.0", "4.1.0");

/**
 * Path scope.
 * A path scope is used to determine the kind of build or class path that will be built when resolving
 * dependencies using the {@link org.apache.maven.api.services.DependencyResolver} service.
 * <p>
 * This extensible enum has four defined values, {@link #MAIN_COMPILE}, {@link #MAIN_RUNTIME},
 * {@link #TEST_COMPILE} and {@link #TEST_RUNTIME}, but can be extended by registering a

import org.apache.maven.api.model.Profile;
import org.apache.maven.api.services.BuilderProblem;
import org.apache.maven.api.services.ModelProblem;
import org.apache.maven.api.services.ModelProblemCollector;
import org.apache.maven.api.services.model.ProfileActivationContext;
import org.apache.maven.api.services.model.ProfileActivator;
import org.apache.maven.internal.impl.model.ProfileActivationFilePathInterpolator;

 * {@link org.apache.maven.api.toolchain.PersistedToolchains}.
 *
 * @since 4.0.0
 * @see org.apache.maven.api.services.ProjectBuilder#build(Session, Source)
 * @see org.apache.maven.api.services.SettingsBuilder#build(Session, Source, Source, Source)
 * @see org.apache.maven.api.services.ToolchainsBuilder#build(Session, Source, Source)
 */
@Experimental
public interface Source {

    /**

import org.apache.maven.api.di.Named;
import org.apache.maven.api.di.Singleton;
import org.apache.maven.api.services.VersionRangeResolver;
import org.apache.maven.api.services.VersionRangeResolverException;
import org.apache.maven.api.services.VersionRangeResolverRequest;
import org.apache.maven.api.services.VersionRangeResolverResult;
import org.eclipse.aether.RepositorySystem;
import org.eclipse.aether.repository.ArtifactRepository;