* 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
 * {@code org.apache.maven.api.spi.PathScopeProvider}.
 * <p>

 * that exhibits the problem.
 *
 */
public interface Problem {

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

    /**
     * Gets the hint about the source of the problem. While the syntax of this hint is unspecified and depends on the

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

/**
 * An SPI interface to extend Maven with a new enum value.
 *
 * @param <T> The type of extensible enum to extend
 */
@Experimental
@Consumer
public interface ExtensibleEnumProvider<T extends ExtensibleEnum> extends SpiService {

    /**
     * Registers new values for the T extensible enum.
     *
     * @return a collection of T instances to register
     */
    @Nonnull

 * can be used as keys.
 *
 * @since 4.0.0
 */
@Experimental
public interface ExtensibleEnum {

    /**
     * The {@code id} uniquely represents a value for this extensible enum.
     * This id should be used to compute the equality and hash code for the instance.
     *
     * @return the id
     */
    @Nonnull
    String id();

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

/**
 * Describes whether a target should be activated or not, and if that is required or optional.
 */
enum ActivationSettings {
    ACTIVATION_OPTIONAL(true, true),
    ACTIVATION_REQUIRED(true, false),
    DEACTIVATION_OPTIONAL(false, true),
    DEACTIVATION_REQUIRED(false, false);

    /**

import org.eclipse.aether.artifact.Artifact;

/**
 * Component collecting plugin validation issues and reporting them.
 *
 * @since 3.9.2
 */
public interface PluginValidationManager {
    enum IssueLocality {
        /**
         * Issue is "user actionable", is internal to the currently built project and is reparable from scope of it

 * and on the Java module-path.</p>
 *
 * @see org.apache.maven.api.services.DependencyResolverResult#getDispatchedPaths()
 *
 * @since 4.0.0
 */
@Experimental
public enum JavaPathType implements PathType {
    /**
     * The path identified by the Java {@code --class-path} option.
     * Used for compilation, execution and Javadoc among others.
     *

annotation type has its own separate page with the following sections: Annotation Type declaration Annotation Type description Required Element Summary Optional Element Summary Element Detail Enum Each enum has its own separate page with the following sections: Enum declaration Enum description Enum Constant Summary Enum Constant Detail Use Each documented package, class and interface has its own Use page. This page describes what packages, classes, methods, constructors and fields use any part of the given...

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

/**
 * MetadataResolutionRequestTypeEnum
 */
@Deprecated
public enum MetadataResolutionRequestTypeEnum {
    tree(1),
    graph(2),
    classpathCompile(3),
    classpathTest(4),
    classpathRuntime(5),
    versionedGraph(6),
    scopedGraph(7);

    private int id;

    @Nonnull
    Optional<T> lookup(@Nonnull String id);

    @Nonnull
    default T require(@Nonnull String id) {
        return lookup(id).orElseThrow(() -> new IllegalArgumentException("Unknown extensible enum value '" + id + "'"));
    }