*
 */
public interface ModelInterpolator {

    /**
     * Interpolates expressions in the specified model. Note that implementations are free to either interpolate the
     * provided model directly or to create a clone of the model and interpolate the clone. Callers should always use
     * the returned model and must not rely on the input model being updated.

import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * A type implemented by, or extended by maven itself.
 * Maven provides implementations of those types and may inject them in plugins.
 * <p>
 * A type can be marked {@link Consumer} or {@link Provider} but not both. A type is assumed to be

import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;

import static org.junit.jupiter.api.Assertions.assertEquals;

/**
 * Provides common services to test {@link ProfileActivator} implementations.
 *
 */
public abstract class AbstractProfileActivatorTest<T extends ProfileActivator> {

    protected T activator;

    @BeforeEach
    abstract void setUp() throws Exception;

    @AfterEach

 * lifecycle phase. Standard lifecycles use plugin execution {@code <phase>} or mojo default lifecycle phase to
 * calculate the execution plan, but custom lifecycles can use alternative mapping strategies.
 * <p>
 * Implementations of this interface must be annotated with either {@code @Named("lifecycle-id")} or equivalent plexus
 * {@code @Component} annotations.
 *
 * @since 3.2.0

import org.codehaus.plexus.component.configurator.expression.ExpressionEvaluator;
import org.codehaus.plexus.configuration.PlexusConfiguration;

import static java.util.Objects.requireNonNull;

/**
 * Common implementations for plugin parameters configuration validation.
 *
 */
abstract class AbstractMavenPluginParametersValidator implements MavenPluginConfigurationValidator {

        File artifactFile = new File(getBasedir(), pathOf(artifact));

        // We need to set the file here or the resolver will fail with an NPE, not fully equipped to deal
        // with multiple local repository implementations yet.
        artifact.setFile(artifactFile);

        if (artifactFile.exists()) {
            artifact.setResolved(true);
        }

        return artifact;
    }

  <modelVersion>4.0.0</modelVersion>
  <artifactId>wagon-provider-api</artifactId>
  <name>Maven Wagon API</name>
  <version>1.0-beta-2</version>
  <description>Maven Wagon API that defines the contract between different Wagon implementations</description>
  <dependencies>
    <dependency>
      <groupId>org.codehaus.plexus</groupId>
      <artifactId>plexus-utils</artifactId>
    </dependency>
  </dependencies>
  <distributionManagement>

 * Maven plugins should always acquire settings builder instances via dependency injection. Developers might want to
 * subclass this factory to provide custom implementations for some of the components used by the settings builder.
 *
 */
public class DefaultSettingsBuilderFactory {

    protected SettingsReader newSettingsReader() {
        return new DefaultSettingsReader();
    }

import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * A type implemented by, or extended by maven plugins or extensions.
 * Maven plugins or extensions may provide implementations of those types which will be used by maven.
 * <p>
 * A type can be marked {@link Consumer} or {@link Provider} but not both. A type is assumed to be

/**
 * Handles inheritance of model values.
 *
 */
public interface InheritanceAssembler {

    /**
     * Merges values from the specified parent model into the given child model. Implementations are expected to keep
     * parent and child completely decoupled by injecting deep copies of objects into the child rather than the original
     * objects from the parent.
     *