/**
 */
public class LifecycleTaskSegmentCalculatorStub extends DefaultLifecycleTaskSegmentCalculator {
    public static final String CLEAN = "clean";

    public static final String AGGR = "aggr";

    public static final String INSTALL = "install";

    public LifecycleTaskSegmentCalculatorStub() {
        super(null, null);
    }

    @Override

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

import java.util.List;

import org.apache.maven.execution.MavenSession;
import org.apache.maven.lifecycle.internal.stub.LifecycleTaskSegmentCalculatorStub;
import org.apache.maven.lifecycle.internal.stub.ProjectDependencyGraphStub;
import org.junit.jupiter.api.Test;

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

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

import java.util.List;

import org.apache.maven.execution.MavenSession;
import org.apache.maven.lifecycle.internal.stub.LifecycleTaskSegmentCalculatorStub;
import org.apache.maven.lifecycle.internal.stub.ProjectDependencyGraphStub;
import org.junit.jupiter.api.Test;

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

LifecycleExecutionPlanCalculatorStub
ProjectDependencyGraphStub

Since they define the primary structure of the project/build.

The stubs define three top-level targets that are defined in  LifecycleTaskSegmentCalculatorStub;
clean, aggr and install. "aggr" is an aggregating task while clean and install are lifecyclephases.
There will be three items in the task list for this dataset.