import java.lang.annotation.RetentionPolicy;

/**
 * This annotation tags types that are part of an experimental API.
 * Classes or methods annotated with this annotation may be changed / removed without notice.
 *
 * @since 4.0.0
 */
@Experimental
@Documented
@Retention(RetentionPolicy.CLASS)

 * under the License.
 */
package org.apache.maven.api;

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

/**
 * A dependency exclusion.
 *
 * @since 4.0.0
 * @see DependencyCoordinates#getExclusions()
 */
@Experimental
public interface Exclusion {
    @Nullable
    String getGroupId();

    @Nullable
    String getArtifactId();

 * under the License.
 */
package org.apache.maven.api.services;

import java.io.Serial;

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

/**
 * @since 4.0.0
 */
@Experimental
@Consumer
public class TransportProviderException extends MavenException {

    @Serial
    private static final long serialVersionUID = -6066070072576465969L;

 * under the License.
 */
package org.apache.maven.api.services;

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

/**
 * Manager for {@link ProjectScope}.
 *
 * @since 4.0.0
 */
@Experimental

import java.util.List;
import java.util.Optional;

import org.apache.maven.api.Repository;
import org.apache.maven.api.Version;
import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Nonnull;

/**
 *
 * @since 4.0.0
 */
@Experimental
public interface VersionResolverResult extends Result<VersionResolverRequest> {

    @Nonnull
    List<Exception> getExceptions();

    @Nonnull

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

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

@Experimental
public class ModelTransformerException extends MavenException {

    public ModelTransformerException() {
        this(null, null);
    }

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

/**
 * A listener for session events.
 * TODO: open this to other events like similar to {@code org.apache.maven.eventspy.EventSpy}
 *
 * @since 4.0.0
 */
@Experimental
@FunctionalInterface
@Consumer
public interface Listener {
    void onEvent(@Nonnull Event event);

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

/**
 * Marker interface for all services provided by the {@link Session}.
 * <p>
 * Services can be retrieved from the session using the
 * {@link Session#getService(Class)} method.
 *
 * @since 4.0.0
 * @see Session#getService(Class)
 */
@Experimental
@ThreadSafe

 * under the License.
 */
package org.apache.maven.api.services;

import java.io.Serial;

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

/**
 * An artifact could not correctly being deployed.
 *
 * @since 4.0.0
 */
@Experimental
public class ArtifactDeployerException extends MavenException {

    /**
     *
     */
    @Serial

 * under the License.
 */
package org.apache.maven.api.services;

import java.io.Serial;

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

/**
 * The Exception class thrown by {@link VersionParser}.
 *
 * @since 4.0.0
 */
@Experimental
public class VersionParserException extends MavenException {

    @Serial
    private static final long serialVersionUID = 1504740189114877333L;

    /**