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

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

/**

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

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

/**
 * Storage location for metadata
 *
 * @since 4.0.0
 */
@Experimental
public enum MetadataStorage {
    GROUP,
    ARTIFACT,
    VERSION

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

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

@Experimental
@Consumer

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

import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.plugin.descriptor.PluginDescriptor;

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

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

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

/**
 * @since 4.0.0
 */
@Experimental
@Consumer

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

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

/**
 * The Exception class throw by the {@link ProjectBuilder} service.
 *
 * @since 4.0.0
 */
@Experimental
public class ProjectBuilderException extends MavenException {
    /**
     * @param message the message to give
     * @param e the {@link Exception}

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

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

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

    public LookupException(String message) {
        super(message);
    }

    /**

import java.nio.file.Path;
import java.util.Optional;

import org.apache.maven.api.Artifact;
import org.apache.maven.api.Service;
import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Nonnull;

/**
 *
 * @since 4.0.0
 */
@Experimental
public interface ArtifactManager extends Service {

    /**
     * Returns the path of the file previously associated to this artifact

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

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

/**
 * Access to {@link Type} registry.
 *
 * @since 4.0.0
 */
@Experimental
public interface TypeRegistry extends ExtensibleEnumRegistry<Type> {

    /**
     * Obtain the {@link Type} from the specified {@code id}.

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

import java.util.Map;

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

/**
 * Toolchain interface.
 *
 * @since 4.0.0
 */
@Experimental
public interface Toolchain {
    /**
     * get the type of toolchain.
     *
     * @return the toolchain type
     */
    String getType();

    /**