private final List<? extends InternalPluginApplicationResult> pluginApplicationResults;

    public AbstractProjectConfigurationResult(long startTime, long endTime, String outcomeDescription, List<? extends InternalPluginApplicationResult> pluginApplicationResults) {
        super(startTime, endTime, outcomeDescription);

    /**
     * Returns the results of plugins applied as part of the configuration of this project.
     */
    List<? extends InternalPluginApplicationResult> getPluginApplicationResults();

    /**
     * @since 5.1
     */
    interface InternalPluginApplicationResult {

        /**
         * Returns the identifier of this plugin.
         */
        InternalPluginIdentifier getPlugin();

        /**

import org.gradle.tooling.internal.protocol.events.InternalProjectConfigurationResult
import org.gradle.tooling.internal.protocol.events.InternalProjectConfigurationResult.InternalPluginApplicationResult
import org.gradle.tooling.internal.protocol.events.InternalScriptPluginIdentifier
import org.gradle.tooling.internal.protocol.events.InternalSuccessResult

import java.time.Duration

import org.gradle.internal.operations.OperationStartEvent;
import org.gradle.tooling.internal.protocol.events.InternalPluginIdentifier;
import org.gradle.tooling.internal.protocol.events.InternalProjectConfigurationResult.InternalPluginApplicationResult;
import org.gradle.tooling.internal.provider.runner.PluginApplicationTracker.PluginApplication;

import java.time.Duration;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import org.gradle.tooling.internal.protocol.events.InternalProjectConfigurationResult.InternalPluginApplicationResult;

import java.io.Serializable;
import java.time.Duration;

public class DefaultPluginApplicationResult implements InternalPluginApplicationResult, Serializable {

    private final InternalPluginIdentifier plugin;
    private final Duration totalConfigurationTime;

import org.gradle.tooling.internal.protocol.events.InternalOperationStartedProgressEvent;
import org.gradle.tooling.internal.protocol.events.InternalProjectConfigurationResult.InternalPluginApplicationResult;

import javax.annotation.Nullable;
import java.util.List;

import static java.util.Collections.singletonList;

    private final List<InternalFailure> failures;

    public DefaultProjectConfigurationFailureResult(long startTime, long endTime, List<InternalFailure> failures, List<? extends InternalPluginApplicationResult> pluginApplicationResults) {
        super(startTime, endTime, "failed", pluginApplicationResults);
        this.failures = failures;
    }

    @Override
    public List<InternalFailure> getFailures() {

public class DefaultProjectConfigurationSuccessResult extends AbstractProjectConfigurationResult implements InternalSuccessResult {
    public DefaultProjectConfigurationSuccessResult(long startTime, long endTime, List<? extends InternalPluginApplicationResult> pluginApplicationResults) {
        super(startTime, endTime, "succeeded", pluginApplicationResults);
    }

        }
    }

    private static List<? extends PluginApplicationResult> toPluginApplicationResults(List<? extends InternalPluginApplicationResult> pluginApplicationResults) {
        List<PluginApplicationResult> results = new ArrayList<PluginApplicationResult>();
        for (InternalPluginApplicationResult result : pluginApplicationResults) {
            PluginIdentifier plugin = toPluginIdentifier(result.getPlugin());

Class <org.gradle.tooling.internal.protocol.events.InternalProjectConfigurationResult$InternalPluginApplicationResult> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (InternalProjectConfigurationResult.java:0)