HORIZONTAL_VALUES_PAIRED_STATS.leastSquaresFit(),
        HORIZONTAL_VALUES_PAIRED_STATS.yStats().mean());
    assertVerticalLinearTransformation(
        VERTICAL_VALUES_PAIRED_STATS.leastSquaresFit(),
        VERTICAL_VALUES_PAIRED_STATS.xStats().mean());
    assertThrows(IllegalStateException.class, () -> CONSTANT_VALUES_PAIRED_STATS.leastSquaresFit());
  }

  public void testEqualsAndHashCode() {

        HORIZONTAL_VALUES_PAIRED_STATS.leastSquaresFit(),
        HORIZONTAL_VALUES_PAIRED_STATS.yStats().mean());
    assertVerticalLinearTransformation(
        VERTICAL_VALUES_PAIRED_STATS.leastSquaresFit(),
        VERTICAL_VALUES_PAIRED_STATS.xStats().mean());
    assertThrows(IllegalStateException.class, () -> CONSTANT_VALUES_PAIRED_STATS.leastSquaresFit());
  }

  public void testEqualsAndHashCode() {

import javax.inject.Named;
import javax.inject.Singleton;

import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Nonnull;
import org.apache.maven.api.services.MessageBuilder;
import org.apache.maven.api.services.MessageBuilderFactory;
import org.eclipse.sisu.Priority;

@Experimental
@Named
@Singleton
@Priority(-1)
public class DefaultMessageBuilderFactory implements MessageBuilderFactory {

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

import java.nio.file.Path;

import org.apache.maven.api.model.Model;
import org.apache.maven.api.services.ModelBuilderRequest;

/**
 * Resolves relative paths of a model against a specific base directory.
 *
 */
public interface ModelPathTranslator {

 * 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.model;

import java.util.function.Supplier;

import org.apache.maven.api.services.Source;

/**
 * Caches auxiliary data used during model building like already processed raw/effective models. The data in the cache

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

import java.util.Collection;
import java.util.List;

import org.apache.maven.api.model.Profile;
import org.apache.maven.api.services.ModelProblemCollector;

/**
 * Calculates the active profiles among a given collection of profiles.
 *
 */

import org.apache.maven.api.VersionRange;
import org.apache.maven.api.di.Inject;
import org.apache.maven.api.di.Named;
import org.apache.maven.api.di.Singleton;
import org.apache.maven.api.services.VersionParser;
import org.apache.maven.api.services.model.ModelVersionParser;

import static org.apache.maven.internal.impl.Utils.nonNull;

/**
 * A wrapper class around a resolver version that works as model version parser as well.
 */

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

import java.util.List;
import java.util.Map;
import java.util.Optional;

import org.apache.maven.api.services.Lookup;
import org.apache.maven.api.services.LookupException;

public class SimpleLookup implements Lookup {
    private final List<Object> objects;

    public SimpleLookup(List<Object> objects) {
        this.objects = objects;
    }

import org.apache.maven.api.*;
import org.apache.maven.api.annotations.Nonnull;
import org.apache.maven.api.annotations.Nullable;
import org.apache.maven.api.services.Lookup;
import org.apache.maven.api.services.LookupException;
import org.apache.maven.api.services.MavenException;
import org.apache.maven.api.settings.Settings;
import org.apache.maven.artifact.repository.ArtifactRepository;

import org.apache.maven.api.Exclusion;
import org.apache.maven.api.annotations.Nonnull;
import org.apache.maven.api.di.Named;
import org.apache.maven.api.di.Singleton;
import org.apache.maven.api.services.DependencyCoordinateFactory;
import org.apache.maven.api.services.DependencyCoordinateFactoryRequest;
import org.eclipse.aether.artifact.ArtifactType;

import static org.apache.maven.internal.impl.Utils.map;