This way you can make sure you're not wasting your time on something that isn't
  considered to be in Apache Maven's scope.
+ Submit a ticket for your issue, assuming one does not already exist.
  + Clearly describe the issue, including steps to reproduce when it is a bug.
  + Make sure you fill in the earliest version that you know has the issue.
+ Fork the repository on GitHub.

Making and Submitting Changes
--------------

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.artifact.versioning;

/**
 * Describes an artifact version in terms of its components, converts it to/from a string and
 * compares two versions.
 *
 */
public interface ArtifactVersion extends Comparable<ArtifactVersion> {
    int getMajorVersion();

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * 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),

 * under the License.
 */
package org.apache.maven.lifecycle.internal;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

/**
 * Describes the required task segment as provided on the maven command line; i.e. "clean jetty:run install"
 *
 * <strong>NOTE:</strong> This class is not part of any public api and can be changed or deleted without prior notice.
 *

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

import org.eclipse.aether.repository.ArtifactRepository;

/**
 * Describes the result of a plugin prefix resolution request.
 *
 * @since 3.0
 */
public interface PluginPrefixResult {

    /**
     * The resolved group id for the plugin.
     *

 */
package org.apache.maven.artifact.repository.metadata;

import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.artifact.repository.ArtifactRepositoryPolicy;

/**
 * Describes repository directory metadata.
 *
 * TODO not happy about the store method - they use "this"
 */
@Deprecated
public interface RepositoryMetadata extends org.apache.maven.artifact.metadata.ArtifactMetadata {

 * 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;

/**
 * Describes a problem that was encountered during model building. A problem can either be an exception that was thrown
 * or a simple string message. In addition, a problem carries a hint about its source, e.g. the POM file that exhibits

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

import java.util.List;

import org.apache.maven.project.MavenProject;

/**
 * Describes the interdependencies between projects in the reactor.
 *
 * @since 3.0-alpha
 */
public interface ProjectDependencyGraph {

    /**
     * Gets all collected projects.
     *

import org.apache.maven.artifact.resolver.ArtifactResolutionException;
import org.apache.maven.repository.legacy.WagonManager;
import org.codehaus.plexus.logging.AbstractLogEnabled;

/**
 * Describes a version transformation during artifact resolution.
 *
 * TODO try and refactor to remove abstract methods - not particular happy about current design
 */
@Deprecated

import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.stream.Collectors;

import org.apache.maven.api.services.model.*;

/**
 * Describes the environmental context used to determine the activation status of profiles.
 *
 */
public class DefaultProfileActivationContext implements ProfileActivationContext {