import java.time.Duration;
import java.util.Objects;

import org.apache.maven.project.MavenProject;

/**
 * Summarizes the result of a project build in the reactor.
 *
 */
public abstract class BuildSummary {

    /**
     * The project being summarized.
     */
    private final MavenProject project;

    /**
     * The build time of the project in milliseconds.
     */

    @Override
    public boolean hasExceptions() {
        return !getExceptions().isEmpty();
    }

    @Override
    public BuildSummary getBuildSummary(MavenProject project) {
        return buildSummaries.get(project);
    }

    @Override
    public void addBuildSummary(BuildSummary summary) {
        buildSummaries.put(summary.getProject(), summary);
    }

    @Override
    public boolean canResume() {

                }
                buffer.append(' ');
            }

            BuildSummary buildSummary = result.getBuildSummary(project);

            if (buildSummary == null) {
                buffer.append(builder().warning("SKIPPED"));
            } else if (buildSummary instanceof BuildSuccess) {
                buffer.append(builder().success("SUCCESS"));
                buffer.append(" [");

                }
                buffer.append(' ');
            }

            BuildSummary buildSummary = result.getBuildSummary(project);

            if (buildSummary == null) {
                buffer.append(builder().warning("SKIPPED"));
            } else if (buildSummary instanceof BuildSuccess) {
                buffer.append(builder().success("SUCCESS"));
                buffer.append(" [");

     */
    BuildSummary getBuildSummary(MavenProject project);

    /**
     * Add the specified build summary.
     *
     * @param summary The build summary to add, must not be {@code null}.
     */
    void addBuildSummary(BuildSummary summary);

    /**

import java.time.Duration;

import org.apache.maven.project.MavenProject;

/**
 * Summarizes the result of a successful project build in the reactor.
 *
 */
public class BuildSuccess extends BuildSummary {

    /**
     * Creates a new build summary for the specified project.
     *
     * @param project The project being summarized, must not be {@code null}.

import java.time.Duration;

import org.apache.maven.project.MavenProject;

/**
 * Summarizes the result of a failed project build in the reactor.
 *
 */
public class BuildFailure extends BuildSummary {

    /**
     * The cause of the build failure.
     */
    private final Throwable cause;

    /**
     * Creates a new build summary for the specified project.
     *