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;

    /**

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

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

/**
 * Reads and writes a {@link PersistedToolchains} object to/from XML.
 *
 * @since 4.0.0
 */
@Experimental

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

import java.io.Serial;

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

@Experimental
public class ChecksumAlgorithmServiceException extends MavenException {

    @Serial
    private static final long serialVersionUID = 1201171469179367694L;

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

import java.io.Serial;

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

/**
 *
 *
 * @since 4.0.0
 */
@Experimental
public class ArtifactResolverException extends MavenException {

    @Serial
    private static final long serialVersionUID = 7252294837746943917L;

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

import java.io.Serial;

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

/**
 * The Exception class throw by the {@link SettingsBuilder}.
 *
 * @since 4.0.0
 */
@Experimental
public class SettingsBuilderException extends MavenBuilderException {

    @Serial
    private static final long serialVersionUID = 4714858598345418083L;

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

import java.io.Serial;

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

/**
 * The Exception class throw by the {@link ToolchainsBuilder}.
 *
 * @since 4.0.0
 */
@Experimental
public class ToolchainsBuilderException extends MavenBuilderException {

    @Serial
    private static final long serialVersionUID = 7899871809665729349L;

 */
package org.apache.maven.api.cache;

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

/**
 * Exception thrown when an error occurs during Maven execution.
 * This exception wraps the original cause of the execution failure.
 *
 * @since 4.0.0
 */
@Experimental
public class MavenExecutionException extends MavenException {

    /**