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

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

import org.codehaus.plexus.interpolation.RegexBasedInterpolator;

/**
 * Finds an absolute path for {@link ActivationFile#getExists()} or {@link ActivationFile#getMissing()}
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Named
@Singleton
@Deprecated
public class ProfileActivationFilePathInterpolator {

    @Inject
    private PathTranslator pathTranslator;

    @Inject

import org.codehaus.plexus.util.StringUtils;

/**
 * Determines profile activation based on the existence or value of some execution property.
 *
 * @see ActivationProperty
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Named("property")
@Singleton
@Deprecated(since = "4.0.0")
public class PropertyProfileActivator implements ProfileActivator {

    @Override

 * identity of a model. The tag allows for further classification of the associated data on the sole discretion of the
 * model builder.
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public interface ModelCache {

    /**
     * Puts the specified data into the cache.
     *

        this.id = id;
        this.phases = phases;
        this.defaultPhases = defaultPhases;
    }

    public Lifecycle(
            org.apache.maven.api.services.LifecycleRegistry registry, org.apache.maven.api.Lifecycle lifecycle) {
        this.lifecycle = lifecycle;
        this.id = lifecycle.id();
        this.phases = registry.computePhases(lifecycle);

 * 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.nio.file.Files;
import java.nio.file.Path;
import java.util.Objects;
import java.util.Optional;

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

 * 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.xml;

import java.io.InputStream;
import java.io.OutputStream;
import java.io.Reader;
import java.io.StringReader;
import java.io.StringWriter;
import java.io.Writer;
import java.nio.file.Path;

import org.apache.maven.api.annotations.Nonnull;
import org.apache.maven.api.annotations.Nullable;
import org.apache.maven.api.di.Named;
import org.apache.maven.api.model.Model;
import org.apache.maven.api.services.Source;

/**
 * The {@code ModelParser} interface is used to locate and read {@link Model}s from the file system.
 * This allows plugging in additional syntaxes for the main model read by Maven when building a project.
 *

 * thrown or a simple string message. In addition, a problem carries a hint about its source, e.g. the settings file
 * that exhibits the problem.
 *
 * @deprecated since 4.0.0, use {@link org.apache.maven.api.services} instead
 */
@Deprecated(since = "4.0.0")
class DefaultProblem implements Problem {

    private final String source;

    private final int lineNumber;

    private final int columnNumber;

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

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