/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
    * with the License.  You may obtain a copy of the License at
    *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  package org.apache.maven.plugin.surefire;
  
  import javax.annotation.Nonnull;
  
  import java.io.File;
  import java.io.IOException;
  import java.math.BigDecimal;
  import java.nio.file.Files;
  import java.text.ChoiceFormat;
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.Collection;
  import java.util.Collections;
  import java.util.Enumeration;
  import java.util.HashMap;
  import java.util.HashSet;
  import java.util.LinkedHashSet;
  import java.util.List;
  import java.util.Map;
  import java.util.Map.Entry;
  import java.util.Optional;
  import java.util.Properties;
  import java.util.Set;
  import java.util.SortedSet;
  import java.util.TreeSet;
  import java.util.concurrent.ConcurrentHashMap;
  import java.util.function.Function;
  import java.util.stream.Collectors;
  import java.util.zip.ZipFile;
  
  import org.apache.maven.artifact.Artifact;
  import org.apache.maven.artifact.DefaultArtifact;
  import org.apache.maven.artifact.handler.ArtifactHandler;
  import org.apache.maven.artifact.resolver.filter.ArtifactFilter;
  import org.apache.maven.artifact.resolver.filter.ScopeArtifactFilter;
  import org.apache.maven.artifact.versioning.ArtifactVersion;
  import org.apache.maven.artifact.versioning.DefaultArtifactVersion;
  import org.apache.maven.artifact.versioning.InvalidVersionSpecificationException;
  import org.apache.maven.artifact.versioning.VersionRange;
  import org.apache.maven.execution.MavenSession;
  import org.apache.maven.model.Dependency;
  import org.apache.maven.model.Plugin;
  import org.apache.maven.plugin.AbstractMojo;
  import org.apache.maven.plugin.MojoExecutionException;
  import org.apache.maven.plugin.MojoFailureException;
  import org.apache.maven.plugin.descriptor.PluginDescriptor;
  import org.apache.maven.plugin.surefire.booterclient.ChecksumCalculator;
  import org.apache.maven.plugin.surefire.booterclient.ClasspathForkConfiguration;
  import org.apache.maven.plugin.surefire.booterclient.ForkConfiguration;
  import org.apache.maven.plugin.surefire.booterclient.ForkStarter;
  import org.apache.maven.plugin.surefire.booterclient.JarManifestForkConfiguration;
  import org.apache.maven.plugin.surefire.booterclient.ModularClasspathForkConfiguration;
  import org.apache.maven.plugin.surefire.booterclient.Platform;
  import org.apache.maven.plugin.surefire.extensions.LegacyForkNodeFactory;
  import org.apache.maven.plugin.surefire.extensions.SurefireConsoleOutputReporter;
  import org.apache.maven.plugin.surefire.extensions.SurefireStatelessReporter;
  import org.apache.maven.plugin.surefire.extensions.SurefireStatelessTestsetInfoReporter;
  import org.apache.maven.plugin.surefire.log.PluginConsoleLogger;
  import org.apache.maven.plugin.surefire.log.api.ConsoleLogger;
  import org.apache.maven.plugin.surefire.util.DependencyScanner;
  import org.apache.maven.plugin.surefire.util.DirectoryScanner;
  import org.apache.maven.plugins.annotations.Component;
  import org.apache.maven.plugins.annotations.Parameter;
  import org.apache.maven.project.MavenProject;
  import org.apache.maven.shared.artifact.filter.PatternIncludesArtifactFilter;
  import org.apache.maven.surefire.api.booter.ProviderParameterNames;
  import org.apache.maven.surefire.api.booter.Shutdown;
  import org.apache.maven.surefire.api.cli.CommandLineOption;
  import org.apache.maven.surefire.api.report.ReporterConfiguration;
  import org.apache.maven.surefire.api.report.ReporterFactoryOptions;
  import org.apache.maven.surefire.api.suite.RunResult;
  import org.apache.maven.surefire.api.testset.DirectoryScannerParameters;
  import org.apache.maven.surefire.api.testset.RunOrderParameters;
  import org.apache.maven.surefire.api.testset.TestArtifactInfo;
  import org.apache.maven.surefire.api.testset.TestListResolver;
  import org.apache.maven.surefire.api.testset.TestRequest;
  import org.apache.maven.surefire.api.testset.TestSetFailedException;
  import org.apache.maven.surefire.api.util.DefaultScanResult;
  import org.apache.maven.surefire.api.util.RunOrder;
  import org.apache.maven.surefire.booter.ClassLoaderConfiguration;
  import org.apache.maven.surefire.booter.Classpath;
 import org.apache.maven.surefire.booter.ClasspathConfiguration;
 import org.apache.maven.surefire.booter.KeyValueSource;
 import org.apache.maven.surefire.booter.ModularClasspath;
 import org.apache.maven.surefire.booter.ModularClasspathConfiguration;
 import org.apache.maven.surefire.booter.ProcessCheckerType;
 import org.apache.maven.surefire.booter.ProviderConfiguration;
 import org.apache.maven.surefire.booter.StartupConfiguration;
 import org.apache.maven.surefire.booter.SurefireBooterForkException;
 import org.apache.maven.surefire.booter.SurefireExecutionException;
 import org.apache.maven.surefire.extensions.ForkNodeFactory;
 import org.apache.maven.surefire.providerapi.ConfigurableProviderInfo;
 import org.apache.maven.surefire.providerapi.ProviderDetector;
 import org.apache.maven.surefire.providerapi.ProviderInfo;
 import org.apache.maven.surefire.providerapi.ProviderRequirements;
 import org.apache.maven.surefire.shared.utils.io.FileUtils;
 import org.apache.maven.toolchain.DefaultToolchain;
 import org.apache.maven.toolchain.Toolchain;
 import org.apache.maven.toolchain.ToolchainManager;
 import org.apache.maven.toolchain.java.DefaultJavaToolChain;
 import org.codehaus.plexus.languages.java.jpms.JavaModuleDescriptor;
 import org.codehaus.plexus.languages.java.jpms.LocationManager;
 import org.codehaus.plexus.languages.java.jpms.ResolvePathRequest;
 import org.codehaus.plexus.languages.java.jpms.ResolvePathResult;
 import org.codehaus.plexus.languages.java.jpms.ResolvePathsRequest;
 import org.codehaus.plexus.languages.java.jpms.ResolvePathsResult;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import static java.lang.Integer.parseInt;
 import static java.util.Arrays.asList;
 import static java.util.Collections.addAll;
 import static java.util.Collections.emptyList;
 import static java.util.Collections.singletonList;
 import static java.util.Collections.singletonMap;
 import static org.apache.maven.plugin.surefire.AbstractSurefireMojo.PluginFailureReason.COULD_NOT_RUN_DEFAULT_TESTS;
 import static org.apache.maven.plugin.surefire.AbstractSurefireMojo.PluginFailureReason.COULD_NOT_RUN_SPECIFIED_TESTS;
 import static org.apache.maven.plugin.surefire.AbstractSurefireMojo.PluginFailureReason.NONE;
 import static org.apache.maven.plugin.surefire.SurefireDependencyResolver.isWithinVersionSpec;
 import static org.apache.maven.plugin.surefire.SurefireHelper.replaceThreadNumberPlaceholders;
 import static org.apache.maven.plugin.surefire.util.DependencyScanner.filter;
 import static org.apache.maven.surefire.api.booter.ProviderParameterNames.EXCLUDE_JUNIT5_ENGINES_PROP;
 import static org.apache.maven.surefire.api.booter.ProviderParameterNames.INCLUDE_JUNIT5_ENGINES_PROP;
 import static org.apache.maven.surefire.api.suite.RunResult.failure;
 import static org.apache.maven.surefire.api.suite.RunResult.noTestsRun;
 import static org.apache.maven.surefire.booter.Classpath.emptyClasspath;
 import static org.apache.maven.surefire.booter.SystemUtils.endsWithJavaPath;
 import static org.apache.maven.surefire.booter.SystemUtils.isBuiltInJava9AtLeast;
 import static org.apache.maven.surefire.booter.SystemUtils.isJava9AtLeast;
 import static org.apache.maven.surefire.booter.SystemUtils.toJdkHomeFromJvmExec;
 import static org.apache.maven.surefire.booter.SystemUtils.toJdkVersionFromReleaseFile;
 import static org.apache.maven.surefire.shared.lang3.JavaVersion.JAVA_RECENT;
 import static org.apache.maven.surefire.shared.lang3.StringUtils.substringBeforeLast;
 import static org.apache.maven.surefire.shared.lang3.SystemUtils.IS_OS_WINDOWS;
 import static org.apache.maven.surefire.shared.utils.StringUtils.capitalizeFirstLetter;
 import static org.apache.maven.surefire.shared.utils.StringUtils.isEmpty;
 import static org.apache.maven.surefire.shared.utils.StringUtils.isNotBlank;
 import static org.apache.maven.surefire.shared.utils.StringUtils.isNotEmpty;
 import static org.apache.maven.surefire.shared.utils.StringUtils.split;
 import static org.apache.maven.surefire.shared.utils.cli.ShutdownHookUtils.addShutDownHook;
 import static org.apache.maven.surefire.shared.utils.cli.ShutdownHookUtils.removeShutdownHook;
 
 /**
  * Abstract base class for running tests using Surefire.
  *
  * @author Stephen Connolly
  */
 public abstract class AbstractSurefireMojo extends AbstractMojo implements SurefireExecutionParameters {
     private static final Map<String, String> JAVA_9_MATCHER_OLD_NOTATION = singletonMap("version", "[1.9,)");
     private static final Map<String, String> JAVA_9_MATCHER = singletonMap("version", "[9,)");
     private static final Platform PLATFORM = new Platform();
 
     private final ClasspathCache classpathCache = new ClasspathCache();
 
     @Parameter
     private SurefireStatelessReporter statelessTestsetReporter;
 
     @Parameter
     private SurefireConsoleOutputReporter consoleOutputReporter;
 
     @Parameter
     private SurefireStatelessTestsetInfoReporter statelessTestsetInfoReporter;
 
     /**
      * Information about this plugin, mainly used to lookup this plugin's configuration from the currently executing
      * project.
      *
      * @since 2.12
      */
     @Parameter(defaultValue = "${plugin}", readonly = true, required = true)
     private PluginDescriptor pluginDescriptor;
 
     /**
      * Set this to "true" to skip running tests, but still compile them. Its use is NOT RECOMMENDED, but quite
      * convenient on occasion.<br>
      * Failsafe plugin deprecated the parameter {@code skipTests} and the parameter will be removed in
      * <i>Failsafe 3.0.0</i> as it is a source of conflicts between Failsafe and Surefire plugin.
      *
      * @since 2.4
      */
     @Parameter(property = "skipTests", defaultValue = "false")
     protected boolean skipTests;
 
     /**
      * This old parameter is just like {@code skipTests}, but bound to the old property "maven.test.skip.exec".
      *
      * @since 2.3
      * @deprecated use skipTests instead
      */
     @Deprecated
     @Parameter(property = "maven.test.skip.exec")
     protected boolean skipExec;
 
     /**
      * Set this to "true" to bypass unit tests entirely. Its use is NOT RECOMMENDED, especially if you enable it using
      * the "maven.test.skip" property, because maven.test.skip disables both running the tests and compiling the tests.
      * Consider using the {@code skipTests} parameter instead.
      */
     @Parameter(property = "maven.test.skip", defaultValue = "false")
     protected boolean skip;
 
     /**
      * The Maven Project Object.
      */
     @Parameter(defaultValue = "${project}", required = true, readonly = true)
     private MavenProject project;
 
     /**
      * The base directory of the project being tested. This can be obtained in your integration test via
      * System.getProperty("basedir").
      */
     @Parameter(defaultValue = "${basedir}", readonly = true, required = true)
     protected File basedir;
 
     /**
      * The directory containing generated test classes of the project being tested. This will be included at the
      * beginning of the test classpath.
      */
     @Parameter(defaultValue = "${project.build.testOutputDirectory}")
     protected File testClassesDirectory;
 
     /**
      * List of dependencies to exclude from the test classpath at runtime.
      * Each item is passed as pattern to {@link PatternIncludesArtifactFilter}.
      * The pattern is matched against the following artifact ids:
      * <ul>
      * <li>{@code groupId:artifactId} (Short ID)</li>
      * <li>{@code groupId:artifactId:type:classifier} (Dependency Conflict ID)</li>
      * <li>{@code groupId:artifactId:type:classifier:version} (Full ID)</li>
      * </ul>
      * The matching algorithm is described in detail in <a href="https://maven.apache.org/plugins/maven-assembly-plugin/advanced-descriptor-topics.html#advanced-artifact-matching-in-includes-and-excludes">Advanced Artifact-Matching</a> for the maven-assembly-plugin. This parameter behaves the same as the {@code excludes} pattern described there.
      * The dependency matching is applied to the project dependency IDs (including transitive ones) <i>after resolving</i>, i.e. excluding
      * one dependency will not exclude its transitive dependencies!
      *
      * @since 2.6
      */
     @Parameter(property = "maven.test.dependency.excludes")
     private String[] classpathDependencyExcludes;
 
     /**
      * A dependency scope to exclude from the test classpath at runtime. The scope should be one of the scopes defined by
      * org.apache.maven.artifact.Artifact. This includes the following:
      * <br>
      * <ul>
      * <li><i>compile</i> - system, provided, compile
      * <li><i>runtime</i> - compile, runtime
      * <li><i>compile+runtime</i> - system, provided, compile, runtime
      * <li><i>runtime+system</i> - system, compile, runtime
      * <li><i>test</i> - system, provided, compile, runtime, test
      * </ul>
      *
      * @since 2.6
      */
     @Parameter(defaultValue = "")
     private String classpathDependencyScopeExclude;
 
     /**
      * Additional elements to be appended to the test classpath at runtime.
      * Each element must be a file system path to a JAR file or a directory containing classes.
      * No wildcards are allowed here.
      *
      * @since 2.4
      */
     @Parameter(property = "maven.test.additionalClasspath")
     private String[] additionalClasspathElements;
 
     /**
      * Additional Maven dependencies to be added to the test classpath at runtime.
      * Each element supports the parametrization like documented in <a href="https://maven.apache.org/pom.html#dependencies">POM Reference: Dependencies</a>.
      * <p>
      * Those dependencies are automatically collected (i.e. have their full dependency tree calculated) and then all underlying artifacts are resolved from the repository (including their transitive dependencies).
      * Afterwards the resolved artifacts are filtered to only contain {@code compile} and {@code runtime} scoped ones and appended to the test classpath at runtime
      * (after the ones from {@link #additionalClasspathElements}).
      * <p>
      * The following differences to regular project dependency resolving apply:
      * <ul>
      * <li>The dependency management from the project is not taken into account.</li>
      * <li>Conflicts between the different items and the project dependencies are not resolved.</li>
      * <li>Only external dependencies (outside the current Maven reactor) are supported.</li>
      * </ul>
      *
      * @since 3.2
      */
     @Parameter(property = "maven.test.additionalClasspathDependencies")
     private List<Dependency> additionalClasspathDependencies;
 
     /**
      * The test source directory containing test class sources.
      * Important <b>only</b> for TestNG HTML reports.
      *
      * @since 2.2
      */
     @Parameter(defaultValue = "${project.build.testSourceDirectory}")
     private File testSourceDirectory;
 
     /**
      * List of System properties to pass to a provider.
      *
      * @see #systemPropertyVariables {@code systemPropertyVariables} for how the effective provider properties are calculated
      * @deprecated use {@link #systemPropertyVariables} instead
      */
     @Deprecated
     @Parameter
     Properties systemProperties;
 
     /**
      * List of System properties to pass to a provider.
      * The effective system properties given to a provider are contributed from several sources:
      * <ol>
      * <li>properties set via {@link #argLine} with {@code -D} (only for forked executions)</li>
      * <li>{@link #systemProperties}</li>
      * <li>{@link AbstractSurefireMojo#getSystemPropertiesFile()} (set via parameter {@code systemPropertiesFile} on some goals)</li>
      * <li>{@link #systemPropertyVariables}</li>
      * <li>User properties from {@link MavenSession#getUserProperties()}, usually set via CLI options given with {@code -D} on the current Maven process (only used as source if {@link #promoteUserPropertiesToSystemProperties} is {@code true})</li>
      * </ol>
      * Later sources may overwrite same named properties from earlier sources, that means for example that one cannot overwrite user properties with either
      * {@link #systemProperties}, {@link #getSystemPropertiesFile()} or {@link #systemPropertyVariables}.
      * <p>
      * Certain properties may only be overwritten via {@link #argLine} (applicable only for forked executions) because their values are cached and only evaluated at the start of the JRE.
      * Those include:
      * <ul>
      * <li>{@code java.library.path}</li>
      * <li>{@code file.encoding}</li>
      * <li>{@code jdk.map.althashing.threshold}</li>
      * <li>{@code line.separator}</li>
      * </ul>
      *
      * @see #systemProperties
      * @since 2.5
      */
     @Parameter
     Map<String, String> systemPropertyVariables;
 
     /**
      * If set to {@code true} will also pass all user properties exposed via {@link MavenSession#getUserProperties()} as system properties to a provider.
      * Those always take precedence over same named system properties set via any other means.
      *
      * @see #systemPropertyVariables
      * @since 3.4.0
      */
     @Parameter(defaultValue = "true")
     boolean promoteUserPropertiesToSystemProperties;
 
     /**
      * List of properties for configuring the testing provider. This is the preferred method of
      * configuring TestNG and JUnit platform providers.<br><br>
      * JUnit platform properties may be defined in a {@code configurationParameters} element:
      * <pre><code>{@literal <properties>}
      *     {@literal <configurationParameters>}
      *         junit.jupiter.execution.parallel.enabled = true
      *         junit.jupiter.execution.parallel.mode.default = concurrent
      *     {@literal </configurationParameters>}
      * {@literal </properties>}</code></pre>
      * <br>
      * TestNG properties may be defined as distinct element blocks:
      * <pre><code>{@literal <properties>}
      *     {@literal <property>}
      *         {@literal <name>parallel</name>}
      *         {@literal <value>methods</value>}
      *     {@literal </property>}
      * {@literal </properties>}</code></pre>
      *
      * @since 2.4
      */
     @Parameter
     private Properties properties;
 
     /**
      * Map of plugin artifacts.
      */
     @Parameter(property = "plugin.artifactMap", required = true, readonly = true)
     private Map<String, Artifact> pluginArtifactMap;
 
     /**
      * Map of project artifacts.
      */
     @Parameter(property = "project.artifactMap", readonly = true, required = true)
     private Map<String, Artifact> projectArtifactMap;
 
     /**
      * Add custom text into report filename: TEST-testClassName-reportNameSuffix.xml,
      * testClassName-reportNameSuffix.txt and testClassName-reportNameSuffix-output.txt.
      * File TEST-testClassName-reportNameSuffix.xml has changed attributes 'testsuite'--'name'
      * and 'testcase'--'classname' - reportNameSuffix is added to the attribute value.
      */
     @Parameter(property = "surefire.reportNameSuffix", defaultValue = "")
     private String reportNameSuffix;
 
     /**
      * Set this to "true" to redirect the unit test standard output to a file (found in
      * reportsDirectory/testName-output.txt).
      *
      * @since 2.3
      */
     @Parameter(property = "maven.test.redirectTestOutputToFile", defaultValue = "false")
     private boolean redirectTestOutputToFile;
 
     /**
      * Set this to "true" to cause a failure if there are no tests to run. Defaults to "false".
      *
      * @since 2.4
      */
     @Parameter(property = "failIfNoTests", defaultValue = "false")
     private boolean failIfNoTests;
 
     /**
      * Relative path to <i>temporary-surefire-boot</i> directory containing internal Surefire temporary files.
      * <br>
      * The <i>temporary-surefire-boot</i> directory is <i>project.build.directory</i> on most platforms or
      * <i>system default temporary-directory</i> specified by the system property {@code java.io.tmpdir}
      * on Windows (see <a href="https://issues.apache.org/jira/browse/SUREFIRE-1400">SUREFIRE-1400</a>).
      * <br>
      * It is deleted after the test set has completed.
      *
      * @since 2.20
      */
     @Parameter(property = "tempDir", defaultValue = "surefire")
     private String tempDir;
 
     /**
      * Option to specify the jvm (or path to the java executable) to use with the forking options. For the default, the
      * jvm will be a new instance of the same VM as the one used to run Maven. JVM settings are not inherited from
      * MAVEN_OPTS.
      *
      * @since 2.1
      */
     @Parameter(property = "jvm")
     private String jvm;
 
     /**
      * Arbitrary JVM options to set on the command line. Only effective for forked executions.
      * <br>
      * <br>
      * Using an alternate syntax for placeholders in {@code argLine}, namely <code>@{...}</code> allows late replacement
      * of properties when the plugin is executed, so properties that have been <i>modified</i> by other plugins will be picked
      * up correctly.
      * In contrast to the standard Maven property replacement the <code>@{...}</code> placeholder is replaced by the empty string if the referenced
      * propery cannot be found.
      * <br>
      * <i>This mechanism is only necessary for properties which are modified i.e. also available with a different value at initialization of the
      * POM model. Otherwise standard Maven property replacement kicks in properly directly before this goal is being executed (instead of when the POM model is being resolved)</i>.
      * <br>
      * See the Frequently Asked Questions page with more details:<br>
      * <a href="http://maven.apache.org/surefire/maven-surefire-plugin/faq.html">
      *     http://maven.apache.org/surefire/maven-surefire-plugin/faq.html</a>
      * <br>
      * <a href="http://maven.apache.org/surefire/maven-failsafe-plugin/faq.html">
      *     http://maven.apache.org/surefire/maven-failsafe-plugin/faq.html</a>
      *
      * @see #forkCount
      * @since 2.1
      */
     @Parameter(property = "argLine")
     private String argLine;
 
     /**
      * Additional environment variables to set on the command line.
      *
      * @since 2.1.3
      */
     @Parameter
     private Map<String, String> environmentVariables = new HashMap<>();
 
     /**
      * Command line working directory.
      *
      * @since 2.1.3
      */
     @Parameter(property = "basedir")
     private File workingDirectory;
 
     /**
      * When false it makes tests run using the standard classloader delegation instead of the default Maven isolated
      * classloader. Only used when forking ({@code forkCount} is greater than zero).<br>
      * Setting it to false helps with some problems caused by conflicts between xml parsers in the classpath and the
      * Java 5 provider parser.
      *
      * @since 2.1
      */
     @Parameter(property = "childDelegation", defaultValue = "false")
     private boolean childDelegation;
 
     /**
      * (TestNG/JUnit47 provider with JUnit4.8+ only and JUnit5+ provider since 2.22.0) Groups/categories/tags for this
      * test. Only classes/methods/etc decorated with one of the groups/categories/tags specified here will be included
      * in test run, if specified.<br>
      * For JUnit4 tests, this parameter forces the use of the 4.7 provider. For JUnit5 tests, this parameter forces
      * the use of the JUnit platform provider.<br>
      * This parameter is ignored if the {@code suiteXmlFiles} parameter is specified.<br>
      * Since version 2.18.1 and JUnit 4.12, the {@code @Category} annotation type is automatically inherited from
      * superclasses, see {@code @java.lang.annotation.Inherited}. Make sure that test class inheritance still makes
      * sense together with {@code @Category} annotation of the JUnit 4.12 or higher appeared in superclass.
      *
      * @since 2.2
      */
     @Parameter(property = "groups")
     private String groups;
 
     /**
      * (TestNG/JUnit47 provider with JUnit4.8+ only and JUnit5+ provider since 2.22.0) Excluded groups/categories/tags.
      * Any methods/classes/etc with one of the groups/categories/tags specified in this list will specifically not be
      * run.<br>
      * For JUnit4, this parameter forces the use of the 4.7 provider. For JUnit5, this parameter forces the use of the
      * JUnit platform provider.<br>
      * This parameter is ignored if the {@code suiteXmlFiles} parameter is specified.<br>
      * Since version 2.18.1 and JUnit 4.12, the {@code @Category} annotation type is automatically inherited from
      * superclasses, see {@code @java.lang.annotation.Inherited}. Make sure that test class inheritance still makes
      * sense together with {@code @Category} annotation of the JUnit 4.12 or higher appeared in superclass.
      *
      * @since 2.2
      */
     @Parameter(property = "excludedGroups")
     private String excludedGroups;
 
     /**
      * Allows you to specify the name of the JUnit artifact. If not set, {@code junit:junit} will be used.
      *
      * @since 2.3.1
      */
     @Parameter(property = "junitArtifactName", defaultValue = "junit:junit")
     private String junitArtifactName;
 
     /**
      * Allows you to specify the name of the TestNG artifact. If not set, {@code org.testng:testng} will be used.
      *
      * @since 2.3.1
      */
     @Parameter(property = "testNGArtifactName", defaultValue = "org.testng:testng")
     private String testNGArtifactName;
 
     /**
      * (TestNG/JUnit 4.7 provider) The attribute thread-count allows you to specify how many threads should be
      * allocated for this execution. Only makes sense to use in conjunction with the {@code parallel} parameter.
      *
      * @since 2.2
      */
     @Parameter(property = "threadCount")
     private int threadCount;
 
     /**
      * Option to specify the number of VMs to fork in parallel in order to execute the tests. When terminated with "C",
      * the number part is multiplied with the number of CPU cores. Floating point value are only accepted together with
      * "C". If set to "0", no VM is forked and all tests are executed within the main process.<br>
      * <br>
      * Example values: "1.5C", "4"<br>
      * <br>
      * The system properties and the {@code argLine} of the forked processes may contain the place holder string
      * <code>${surefire.forkNumber}</code>, which is replaced with a fixed number for each of the parallel forks,
      * ranging from <b>1</b> to the effective value of {@code forkCount} times the maximum number of parallel
      * Surefire executions in maven parallel builds, i.e. the effective value of the <b>-T</b> command line
      * argument of maven core.
      *
      * @since 2.14
      */
     @Parameter(property = "forkCount", defaultValue = "1")
     String forkCount;
 
     /**
      * Indicates if forked VMs can be reused. If set to "false", a new VM is forked for each test class to be executed.
      * If set to "true", up to {@code forkCount} VMs will be forked and then reused to execute all tests.
      *
      * @since 2.13
      */
     @Parameter(property = "reuseForks", defaultValue = "true")
     private boolean reuseForks;
 
     /**
      * (JUnit 4.7 provider) Indicates that threadCount, threadCountSuites, threadCountClasses, threadCountMethods
      * are per cpu core.
      *
      * @since 2.5
      */
     @Parameter(property = "perCoreThreadCount", defaultValue = "true")
     private boolean perCoreThreadCount;
 
     /**
      * (JUnit 4.7 provider) Indicates that the thread pool will be unlimited. The {@code parallel} parameter and
      * the actual number of classes/methods will decide. Setting this to "true" effectively disables
      * {@code perCoreThreadCount} and {@code threadCount}. Defaults to "false".
      *
      * @since 2.5
      */
     @Parameter(property = "useUnlimitedThreads", defaultValue = "false")
     private boolean useUnlimitedThreads;
 
     /**
      * (TestNG provider) When you use the parameter {@code parallel}, TestNG will try to run all your test methods
      * in separate threads, except for methods that depend on each other, which will be run in the same thread in order
      * to respect their order of execution.  Supports two values: {@code classes} or {@code methods}.
      * <br>
      * (JUnit 4.7 provider) Supports values {@code classes}, {@code methods}, {@code both} to run
      * in separate threads been controlled by {@code threadCount}.
      * <br>
      * <br>
      * Since version 2.16 (JUnit 4.7 provider), the value {@code both} is <strong>DEPRECATED</strong>.
      * Use {@code classesAndMethods} instead.
      * <br>
      * <br>
      * Since version 2.16 (JUnit 4.7 provider), additional vales are available:
      * <br>
      * {@code suites}, {@code suitesAndClasses}, {@code suitesAndMethods}, {@code classesAndMethods}, {@code all}.
      * <br>
      * By default, Surefire does not execute tests in parallel. You can set the parameter {@code parallel} to
      * {@code none} to explicitly disable parallel execution (e.g. when disabling parallel execution in special Maven
      * profiles when executing coverage analysis).
      *
      * @since 2.2
      */
     @Parameter(property = "parallel")
     private String parallel;
 
     /**
      * (JUnit 4.7 / provider only) The thread counts do not exceed the number of parallel suite, class runners and
      * average number of methods per class if set to <strong>true</strong>.
      * <br>
      * True by default.
      *
      * @since 2.17
      */
     @Parameter(property = "parallelOptimized", defaultValue = "true")
     private boolean parallelOptimized;
 
     /**
      * (JUnit 4.7 provider) This attribute allows you to specify the concurrency in test suites, i.e.:
      * <ul>
      *  <li>number of concurrent suites if {@code threadCount} is 0 or unspecified</li>
      *  <li>limited suites concurrency if {@code useUnlimitedThreads} is set to <strong>true</strong></li>
      *  <li>if {@code threadCount} and certain thread-count parameters are &gt; 0 for {@code parallel}, the
      *  concurrency is computed from ratio. For instance {@code parallel=all} and the ratio between
      *      {@code threadCountSuites}:{@code threadCountClasses}:{@code threadCountMethods} is
      *      <b>2</b>:3:5, there is 20% of {@code threadCount} which appeared in concurrent suites.</li>
      * </ul>
      *
      * Only makes sense to use in conjunction with the {@code parallel} parameter.
      * The default value <b>0</b> behaves same as unspecified one.
      *
      * @since 2.16
      */
     @Parameter(property = "threadCountSuites", defaultValue = "0")
     private int threadCountSuites;
 
     /**
      * (JUnit 4.7 provider) This attribute allows you to specify the concurrency in test classes, i.e.:
      * <ul>
      *  <li>number of concurrent classes if {@code threadCount} is 0 or unspecified</li>
      *  <li>limited classes concurrency if {@code useUnlimitedThreads} is set to <strong>true</strong></li>
      *  <li>if {@code threadCount} and certain thread-count parameters are &gt; 0 for {@code parallel}, the
      *  concurrency is computed from ratio. For instance {@code parallel=all} and the ratio between
      *      {@code threadCountSuites}:{@code threadCountClasses}:{@code threadCountMethods} is
      *      2:<b>3</b>:5, there is 30% of {@code threadCount} in concurrent classes.</li>
      *  <li>as in the previous case but without this leaf thread-count. Example: {@code parallel=suitesAndClasses},
      *  {@code threadCount=16}, {@code threadCountSuites=5}, {@code threadCountClasses} is unspecified leaf, the number
      *  of concurrent classes is varying from &gt;= 11 to 14 or 15. The {@code threadCountSuites} become
      *  given number of threads.</li>
      * </ul>
      *
      * Only makes sense to use in conjunction with the {@code parallel} parameter.
      * The default value <b>0</b> behaves same as unspecified one.
      *
      * @since 2.16
      */
     @Parameter(property = "threadCountClasses", defaultValue = "0")
     private int threadCountClasses;
 
     /**
      * (JUnit 4.7 provider) This attribute allows you to specify the concurrency in test methods, i.e.:
      * <ul>
      * <li>number of concurrent methods if {@code threadCount} is 0 or unspecified</li>
      * <li>limited concurrency of methods if {@code useUnlimitedThreads} is set to <strong>true</strong></li>
      * <li>if {@code threadCount} and certain thread-count parameters are &gt; 0 for {@code parallel}, the
      * concurrency is computed from ratio. For instance parallel=all and the ratio between
      * {@code threadCountSuites}:{@code threadCountClasses}:{@code threadCountMethods} is 2:3:<b>5</b>,
      * there is 50% of {@code threadCount} which appears in concurrent methods.</li>
      * <li>as in the previous case but without this leaf thread-count. Example: {@code parallel=all},
      * {@code threadCount=16}, {@code threadCountSuites=2}, {@code threadCountClasses=3}, but {@code threadCountMethods}
      * is unspecified leaf, the number of concurrent methods is varying from &gt;= 11 to 14 or 15.
      * The {@code threadCountSuites} and {@code threadCountClasses} become given number of threads.</li>
      * </ul>
      * Only makes sense to use in conjunction with the {@code parallel} parameter. The default value <b>0</b>
      * behaves same as unspecified one.
      *
      * @since 2.16
      */
     @Parameter(property = "threadCountMethods", defaultValue = "0")
     private int threadCountMethods;
 
     /**
      * Whether to trim the stack trace in the reports to just the lines within the test, or show the full trace.
      *
      * @since 2.2
      */
     @Parameter(property = "trimStackTrace", defaultValue = "false")
     private boolean trimStackTrace;
 
     /**
      * Flag to disable the generation of report files in xml format.
      * Deprecated since 3.0.0-M4.
      *
      * @since 2.2
      * @deprecated instead use <em>disable</em> within {@code statelessTestsetReporter} since of 3.0.0-M6
      */
     @Deprecated // todo make readonly to handle system property
     @Parameter(property = "disableXmlReport")
     private Boolean disableXmlReport;
 
     /**
      * By default, Surefire enables JVM assertions for the execution of your test cases. To disable the assertions, set
      * this flag to "false".
      *
      * @since 2.3.1
      */
     @Parameter(property = "enableAssertions", defaultValue = "true")
     private boolean enableAssertions;
 
     /**
      * Flag for including/excluding {@code <system-out />} and {@code <system-err />} elements for
      * successfully passed tests in XML reports.
      * Note that the default value may change to {@code false} is a future version.
      *
      * @since 3.3.1
      */
     @Parameter(property = "enableOutErrElements", defaultValue = "true")
     private boolean enableOutErrElements;
 
     /**
      * Flag for including/excluding {@code <properties />} element for successfully passed tests in XML reports.
      *
      * @since 3.3.1
      */
     @Parameter(property = "enablePropertiesElement", defaultValue = "true")
     private boolean enablePropertiesElement;
 
     /**
      * Flag for including/excluding the event start timestamp of {@code <testsuite />} and {@code <testcase />} elements in XML reports.
      *
      * @since 3.5.5
      */
     @Parameter(property = "reportTestTimestamp", defaultValue = "false")
     private boolean reportTestTimestamp;
 
     /**
      * The current build session instance.
      */
     @Parameter(defaultValue = "${session}", required = true, readonly = true)
     private MavenSession session;
 
     private Logger logger = LoggerFactory.getLogger(getClass());
 
     /**
      * (TestNG only) Define the factory class used to create all test instances.
      *
      * @since 2.5
      */
     @Parameter(property = "objectFactory")
     private String objectFactory;
 
     /**
      * Parallel Maven Execution.
      */
     @Parameter(defaultValue = "${session.parallel}", readonly = true)
     private Boolean parallelMavenExecution;
 
     /**
      * Read-only parameter with value of Maven property <i>project.build.directory</i>.
      *
      * @since 2.20
      */
     @Parameter(defaultValue = "${project.build.directory}", readonly = true, required = true)
     private File projectBuildDirectory;
 
     /**
      * List of dependencies to scan for test classes to include in the test run.
      * The child elements of this element must be &lt;dependency&gt; elements, and the
      * contents of each of these elements must be a string which follows the general form:
      *
      * <p>{@code groupId[:artifactId[:type[:classifier][:version]]]}</p>
      *
      * <p>The wildcard character <code>*</code> can be used within the sub parts of those composite identifiers to
      * do glob-like pattern matching. The classifier may be omitted when matching dependencies without a classifier.</p>
      *
      * <p>Examples:</p>
      *
      * <ul>
      *     <li>{@code group} or, equivalently, {@code group:*}</li>
      *     <li>{@code g*p:*rtifac*}</li>
      *     <li>{@code group:*:jar}</li>
      *     <li>{@code group:artifact:*:1.0.0} (no classifier)</li>
      *     <li>{@code group:*:test-jar:tests}</li>
      *     <li>{@code *:artifact:*:*:1.0.0}</li>
      * </ul>
      *
      * <p>Since version 2.22.0 you can scan for test classes from a project
      * dependency of your multi-module project.</p>
      *
      * <p>In versions before 3.0.0-M4, only <code>groupId:artifactId</code> is supported.</p>
      *
      * @since 2.15
      */
     @Parameter(property = "dependenciesToScan")
     private String[] dependenciesToScan;
 
     /**
      * <p>
      *     Allow for configuration of the test jvm via maven toolchains.
      *     This permits a configuration where the project is built with one jvm and tested with another.
      *     This is similar to {@link #jvm}, but avoids hardcoding paths.
      *     The two parameters are mutually exclusive (jvm wins)
      * </p>
      *
      * <p>Examples:</p>
      * (see <a href="https://maven.apache.org/guides/mini/guide-using-toolchains.html">
      *     Guide to Toolchains</a> for more info)
      *
      * <pre>
      * {@code
      *    <configuration>
      *        ...
      *        <jdkToolchain>
      *            <version>1.11</version>
      *        </jdkToolchain>
      *    </configuration>
      *
      *    <configuration>
      *        ...
      *        <jdkToolchain>
      *            <version>1.8</version>
      *            <vendor>zulu</vendor>
      *        </jdkToolchain>
      *    </configuration>
      *    }
      * </pre>
      *
      * @since 3.0.0-M5 and Maven 3.3.x
      */
     @Parameter
     private Map<String, String> jdkToolchain;
 
     @Component
     private ToolchainManager toolchainManager;
 
     @Component
     private LocationManager locationManager;
 
     @Component
     private ProviderDetector providerDetector;
 
     private Toolchain toolchain;
 
     private int effectiveForkCount = -1;
 
     protected abstract String getPluginName();
 
     protected abstract int getRerunFailingTestsCount();
 
     @Override
     public abstract List<String> getIncludes();
 
     public abstract File getIncludesFile();
 
     @Override
     public abstract void setIncludes(List<String> includes);
 
     public abstract File getExcludesFile();
 
     /**
      * Calls {@link #getSuiteXmlFiles()} as {@link List list}.
      * Never returns <code>null</code>.
      *
      * @return list of TestNG suite XML files provided by MOJO
      */
     protected abstract List<File> suiteXmlFiles();
 
     /**
      * @return {@code true} if {@link #getSuiteXmlFiles() suite-xml files array} is not empty
      */
     protected abstract boolean hasSuiteXmlFiles();
 
     protected abstract String[] getExcludedEnvironmentVariables();
 
     public abstract File[] getSuiteXmlFiles();
 
     public abstract void setSuiteXmlFiles(File[] suiteXmlFiles);
 
     public abstract String getRunOrder();
 
     public abstract void setRunOrder(String runOrder);
 
     public abstract Long getRunOrderRandomSeed();
 
     public abstract void setRunOrderRandomSeed(Long runOrderRandomSeed);
 
     public abstract String getRunOrderStatisticsFileChecksum();
 
     public abstract void setRunOrderStatisticsFileChecksum(String runOrderStatisticsFileChecksum);
 
     protected abstract void handleSummary(RunResult summary, Exception firstForkException)
             throws MojoExecutionException, MojoFailureException;
 
     protected abstract boolean isSkipExecution();
 
     protected abstract String[] getDefaultIncludes();
 
     protected abstract String getReportSchemaLocation();
 
     protected abstract boolean useModulePath();
 
     protected abstract void setUseModulePath(boolean useModulePath);
 
     protected abstract String getEnableProcessChecker();
 
     protected abstract ForkNodeFactory getForkNode();
 
     /**
      * This plugin MOJO artifact.
      *
      * @return non-null plugin artifact
      */
     protected Artifact getMojoArtifact() {
         return getPluginDescriptor().getPluginArtifact();
     }
 
     private String getDefaultExcludes() {
         return "**/*$*";
     }
 
     @Component(role = SurefireDependencyResolver.class)
     private SurefireDependencyResolver surefireDependencyResolver;
 
     private TestListResolver specificTests;
 
     private TestListResolver includedExcludedTests;
 
     private List<CommandLineOption> cli;
 
     private volatile PluginConsoleLogger consoleLogger;
 
     @Override
     public void execute() throws MojoExecutionException, MojoFailureException {
         if (isSkipExecution()) {
             getConsoleLogger().info("Tests are skipped.");
             return;
         }
 
         cli = commandLineOptions();
         // Stuff that should have been final
         setupStuff();
         Platform platform = PLATFORM.withJdkExecAttributesForTests(getEffectiveJvm());
         Thread shutdownThread = new Thread(platform::setShutdownState, "Surefire Shutdown Hook");
         addShutDownHook(shutdownThread);
         try {
             if (verifyParameters() && !hasExecutedBefore()) {
                 DefaultScanResult scan = scanForTestClasses();
                 if (!hasSuiteXmlFiles() && scan.isEmpty()) {
                     switch (getEffectiveFailIfNoTests()) {
                         case COULD_NOT_RUN_DEFAULT_TESTS:
                             throw new MojoFailureException(
                                     "No tests were executed!  (Set -DfailIfNoTests=false to ignore this error.)");
                         case COULD_NOT_RUN_SPECIFIED_TESTS:
                             throw new MojoFailureException("No tests matching pattern \""
                                     + getSpecificTests().toString()
                                     + "\" were executed! (Set "
                                     + "-D" + getPluginName()
                                     + ".failIfNoSpecifiedTests=false to ignore this error.)");
                         default:
                             handleSummary(noTestsRun(), null);
                             return;
                     }
                 }
                 logReportsDirectory();
                 executeAfterPreconditionsChecked(scan, platform);
             }
         } finally {
             platform.clearShutdownState();
             removeShutdownHook(shutdownThread);
         }
     }
 
     void setLogger(Logger logger) {
         this.logger = logger;
     }
 
     void setSurefireDependencyResolver(SurefireDependencyResolver surefireDependencyResolver) {
         this.surefireDependencyResolver = surefireDependencyResolver;
     }
 
     @Nonnull
     protected final PluginConsoleLogger getConsoleLogger() {
         if (consoleLogger == null) {
             synchronized (this) {
                 if (consoleLogger == null) {
                     consoleLogger = new PluginConsoleLogger(logger);
                 }
             }
         }
         return consoleLogger;
     }
 
     private Toolchain getToolchain() throws MojoFailureException {
         Toolchain tc = null;
 
         if (getJdkToolchain() != null) {
             List<Toolchain> tcs = getToolchainManager().getToolchains(getSession(), "jdk", getJdkToolchain());
             if (tcs.isEmpty()) {
                 throw new MojoFailureException(
                         "Requested toolchain specification did not match any configured toolchain: "
                                 + getJdkToolchain());
             }
             tc = tcs.get(0);
         }
 
         if (tc == null) {
             tc = getToolchainManager().getToolchainFromBuildContext("jdk", getSession());
         }
 
         return tc;
     }
 
     private void setupStuff() throws MojoFailureException {
 
         if (getBooterArtifact() == null) {
             throw new RuntimeException("Unable to locate surefire-booter in the list of plugin artifacts");
         }
 
         if (getToolchainManager() != null) {
             toolchain = getToolchain();
         }
     }
 
     @Nonnull
     private DefaultScanResult scanForTestClasses() throws MojoFailureException {
         DefaultScanResult scan = scanDirectories();
         DefaultScanResult scanDeps = scanDependencies();
         return scan.append(scanDeps);
     }
 
     private DefaultScanResult scanDirectories() throws MojoFailureException {
         DirectoryScanner scanner = new DirectoryScanner(getTestClassesDirectory(), getIncludedAndExcludedTests());
         return scanner.scan();
     }
 
     List<Artifact> getProjectTestArtifacts() {
         return project.getTestArtifacts();
     }
 
     DefaultScanResult scanDependencies() throws MojoFailureException {
         if (getDependenciesToScan() == null) {
             return null;
         } else {
             try {
                 DefaultScanResult result = null;
 
                 List<Artifact> dependenciesToScan = filter(getProjectTestArtifacts(), asList(getDependenciesToScan()));
 
                 for (Artifact artifact : dependenciesToScan) {
                     String type = artifact.getType();
                     File out = artifact.getFile();
                     if (out == null
                             || !out.exists()
                             || !("jar".equals(type)
                                     || out.isDirectory()
                                     || out.getName().endsWith(".jar"))) {
                         continue;
                     }
 
                     if (out.isFile()) {
                         DependencyScanner scanner =
                                 new DependencyScanner(singletonList(out), getIncludedAndExcludedTests());
                         result = result == null ? scanner.scan() : result.append(scanner.scan());
                     } else if (out.isDirectory()) {
                         DirectoryScanner scanner = new DirectoryScanner(out, getIncludedAndExcludedTests());
                         result = result == null ? scanner.scan() : result.append(scanner.scan());
                     }
                 }
 
                 return result;
             } catch (Exception e) {
                 throw new MojoFailureException(e.getLocalizedMessage(), e);
             }
         }
     }
 
     boolean verifyParameters() throws MojoFailureException, MojoExecutionException {
         setProperties(new SurefireProperties(getProperties()));
 
         String jvmToUse = getJvm();
         if (toolchain != null) {
             getConsoleLogger().info("Toolchain in maven-" + getPluginName() + "-plugin: " + toolchain);
             if (jvmToUse != null) {
                 getConsoleLogger().warning("Toolchains are ignored, 'jvm' parameter is set to " + jvmToUse);
             }
         }
 
         if (!getTestClassesDirectory().exists()
                 && (getDependenciesToScan() == null || getDependenciesToScan().length == 0)) {
             if (getFailIfNoTests()) {
                 throw new MojoFailureException("No tests to run!");
             }
             getConsoleLogger().info("No tests to run.");
         } else {
             ensureEnableProcessChecker();
             ensureWorkingDirectoryExists();
             ensureParallelRunningCompatibility();
             warnIfUselessUseSystemClassLoaderParameter();
             warnIfDefunctGroupsCombinations();
             warnIfRerunClashes();
             warnIfWrongShutdownValue();
             warnIfNotApplicableSkipAfterFailureCount();
             warnIfIllegalTempDir();
             warnIfForkCountIsZero();
             warnIfIllegalFailOnFlakeCount();
             printDefaultSeedIfNecessary();
         }
         return true;
     }
 
     private void warnIfForkCountIsZero() {
         if ("0".equals(getForkCount())) {
             getConsoleLogger()
                     .warning("The parameter forkCount should likely not be 0. Forking a JVM for tests "
                             + "improves test accuracy. Ensure to have a <forkCount> >= 1.");
         }
     }
 
     private void executeAfterPreconditionsChecked(@Nonnull DefaultScanResult scanResult, @Nonnull Platform platform)
             throws MojoExecutionException, MojoFailureException {
         TestClassPath testClasspath = generateTestClasspath();
         List<ProviderInfo> providers = createProviders(testClasspath);
         ResolvePathResultWrapper wrapper =
                 findModuleDescriptor(platform.getJdkExecAttributesForTests().getJdkHome());
 
         RunResult current = noTestsRun();
 
         Exception firstForkException = null;
         for (ProviderInfo provider : providers) {
             try {
                 current = current.aggregate(executeProvider(provider, scanResult, testClasspath, platform, wrapper));
             } catch (SurefireBooterForkException | SurefireExecutionException | TestSetFailedException e) {
                 if (firstForkException == null) {
                     firstForkException = e;
                 }
             }
         }
 
         if (firstForkException != null) {
             current = failure(current, firstForkException);
         }
 
         handleSummary(current, firstForkException);
     }
 
     protected List<ProviderInfo> createProviders(TestClassPath testClasspath) throws MojoExecutionException {
         Artifact junitDepArtifact = getJunitDepArtifact();
         return providerDetector.resolve(
                 new DynamicProviderInfo(null),
                 new JUnitPlatformProviderInfo(getJUnitPlatformRunnerArtifact(), getJUnit5Artifact(), testClasspath),
                 new TestNgProviderInfo(getTestNgArtifact()),
                 new JUnitCoreProviderInfo(getJunitArtifact(), junitDepArtifact),
                 new JUnit4ProviderInfo(getJunitArtifact(), junitDepArtifact),
                 new JUnit3ProviderInfo(),
                 new JUnitPlatformProviderShadefireInfo(
                         getJUnitPlatformRunnerArtifact(), getJUnit5Artifact(), testClasspath));
     }
 
     SurefireProperties setupProperties() {
         SurefireProperties sysPropsFromFile = null;
         try {
             sysPropsFromFile = SurefireProperties.loadProperties(getSystemPropertiesFile());
         } catch (IOException e) {
             String msg = "The file '" + getSystemPropertiesFile().getAbsolutePath() + "' can't be read.";
             if (getConsoleLogger().isDebugEnabled()) {
                 getConsoleLogger().debug(msg, e);
             } else {
                 getConsoleLogger().warning(msg);
             }
         }
 
         SurefireProperties result = calculateEffectiveProperties(
                 getSystemProperties(),
                 getSystemPropertyVariables(),
                 promoteUserPropertiesToSystemProperties ? getUserProperties() : new Properties(),
                 sysPropsFromFile);
 
         result.setProperty("basedir", getBasedir().getAbsolutePath());
         result.setProperty("localRepository", getLocalRepositoryPath());
         if (isForking()) {
             for (Object o : result.propertiesThatCannotBeSetASystemProperties()) {
                 if (getArgLine() == null || !getArgLine().contains("-D" + o + "=")) {
                     getConsoleLogger()
                             .warning(o + " cannot be set as system property, use <argLine>-D" + o
                                     + "=...</argLine> instead");
                 }
             }
             for (Object systemPropertyMatchingArgLine : systemPropertiesMatchingArgLine(result)) {
                 getConsoleLogger()
                         .warning("The system property "
                                 + systemPropertyMatchingArgLine
                                 + " is configured twice! "
                                 + "The property appears in <argLine/> and any of <systemPropertyVariables/>, "
                                 + "<systemProperties/> or user property.");
             }
         } else {
             result.setProperty("user.dir", getWorkingDirectory().getAbsolutePath());
         }
 
         if (getConsoleLogger().isDebugEnabled()) {
             showToLog(result, getConsoleLogger());
         }
 
         return result;
     }
 
     private SurefireProperties calculateEffectiveProperties(
             Properties systemProperties,
             Map<String, String> systemPropertyVariables,
             Properties userProperties,
             SurefireProperties sysPropsFromFile) {
         SurefireProperties result = new SurefireProperties();
         result.copyPropertiesFrom(systemProperties);
 
         Collection<String> overwrittenProperties = result.copyPropertiesFrom(sysPropsFromFile);
         if (!overwrittenProperties.isEmpty() && getConsoleLogger().isDebugEnabled()) {
             getConsoleLogger().debug(getOverwrittenPropertiesLogMessage(overwrittenProperties, "systemPropertiesFile"));
         }
         overwrittenProperties = result.copyPropertiesFrom(systemPropertyVariables);
         if (!overwrittenProperties.isEmpty() && getConsoleLogger().isDebugEnabled()) {
             getConsoleLogger()
                     .debug(getOverwrittenPropertiesLogMessage(overwrittenProperties, "systemPropertyVariables"));
         }
         // We used to take all of our system properties and dump them in with the
         // user specified properties for SUREFIRE-121, causing SUREFIRE-491.
         // Not gonna do THAT any more... instead, we only propagate those system properties
         // that have been explicitly specified by the user via -Dkey=value on the CLI
         if (!userProperties.isEmpty()) {
             overwrittenProperties = result.copyPropertiesFrom(userProperties);
             if (!overwrittenProperties.isEmpty()) {
                 getConsoleLogger()
                         .warning(getOverwrittenPropertiesLogMessage(
                                 overwrittenProperties, "user properties from Maven session"));
             }
         }
         return result;
     }
 
     private Set<Object> systemPropertiesMatchingArgLine(SurefireProperties result) {
         Set<Object> intersection = new HashSet<>();
         if (isNotBlank(getArgLine())) {
             for (Object systemProperty : result.getStringKeySet()) {
                 if (getArgLine().contains("-D" + systemProperty + "=")) {
                     intersection.add(systemProperty);
                 }
             }
 
             Set<Object> ignored = result.propertiesThatCannotBeSetASystemProperties();
             intersection.removeAll(ignored);
         }
         return intersection;
     }
 
     private String getOverwrittenPropertiesLogMessage(
             Collection<String> overwrittenProperties, String overwrittenBySource) {
         if (overwrittenProperties.isEmpty()) {
             throw new IllegalArgumentException("overwrittenProperties must not be empty");
         }
         // one or multiple?
         ChoiceFormat propertyChoice = new ChoiceFormat("1#property|1>properties");
         StringBuilder message = new StringBuilder("System ");
         message.append(propertyChoice.format(overwrittenProperties.size())).append(" ");
         message.append(overwrittenProperties.stream().collect(Collectors.joining("], [", "[", "]")));
         message.append(" overwritten by ").append(overwrittenBySource);
         return message.toString();
     }
 
     private void showToLog(SurefireProperties props, ConsoleLogger log) {
         for (Object key : props.getStringKeySet()) {
             String value = props.getProperty((String) key);
             log.debug("Setting system property [" + key + "]=[" + value + "]");
         }
     }
 
     @Nonnull
     private RunResult executeProvider(
             @Nonnull ProviderInfo provider,
             @Nonnull DefaultScanResult scanResult,
             @Nonnull TestClassPath testClasspathWrapper,
             @Nonnull Platform platform,
             @Nonnull ResolvePathResultWrapper resolvedJavaModularityResult)
             throws MojoExecutionException, MojoFailureException, SurefireExecutionException,
                     SurefireBooterForkException, TestSetFailedException {
         getConsoleLogger().debug("Using the provider " + provider.getProviderName());
         SurefireProperties effectiveProperties = setupProperties();
         ClassLoaderConfiguration classLoaderConfiguration = getClassLoaderConfiguration();
         provider.addProviderProperties();
         RunOrderParameters runOrderParameters =
                 new RunOrderParameters(getRunOrder(), getStatisticsFile(), getRunOrderRandomSeed());
 
         if (isNotForking()) {
             Properties originalSystemProperties =
                     (Properties) System.getProperties().clone();
             try {
                 createCopyAndReplaceForkNumPlaceholder(effectiveProperties, 1).copyToSystemProperties();
                 getConsoleLogger().debug("Using in-process starter");
                 InPluginVMSurefireStarter surefireStarter = createInprocessStarter(
                         provider,
                         classLoaderConfiguration,
                         runOrderParameters,
                         scanResult,
                         platform,
                         testClasspathWrapper);
                 return surefireStarter.runSuitesInProcess(scanResult);
             } finally {
                 System.setProperties(originalSystemProperties);
             }
         } else {
             ForkConfiguration forkConfiguration = createForkConfiguration(platform, resolvedJavaModularityResult);
             if (getConsoleLogger().isDebugEnabled()) {
                 getConsoleLogger()
                         .debug("Using fork starter with configuration implementation "
                                 + forkConfiguration.getClass().getName());
                 showMap(getEnvironmentVariables(), "environment variable");
                 showArray(getExcludedEnvironmentVariables(), "excluded environment variable");
             }
 
             Properties originalSystemProperties =
                     (Properties) System.getProperties().clone();
             ForkStarter forkStarter = null;
             try {
                 forkStarter = createForkStarter(
                         provider,
                         forkConfiguration,
                         classLoaderConfiguration,
                         runOrderParameters,
                         getConsoleLogger(),
                         scanResult,
                         testClasspathWrapper,
                         platform,
                         resolvedJavaModularityResult);
 
                 return forkStarter.run(effectiveProperties, scanResult);
             } catch (SurefireBooterForkException e) {
                 forkStarter.killOrphanForks();
                 throw e;
             } finally {
                 System.setProperties(originalSystemProperties);
                 cleanupForkConfiguration(forkConfiguration);
             }
         }
     }
 
     public static SurefireProperties createCopyAndReplaceForkNumPlaceholder(
             SurefireProperties effectiveSystemProperties, int threadNumber) {
         SurefireProperties filteredProperties = new SurefireProperties((KeyValueSource) effectiveSystemProperties);
         for (Entry<Object, Object> entry : effectiveSystemProperties.entrySet()) {
             if (entry.getValue() instanceof String) {
                 String value = (String) entry.getValue();
                 filteredProperties.put(entry.getKey(), replaceThreadNumberPlaceholders(value, threadNumber));
             }
         }
         return filteredProperties;
     }
 
     protected void cleanupForkConfiguration(ForkConfiguration forkConfiguration) {
         if (!getConsoleLogger().isDebugEnabled() && forkConfiguration != null) {
             File tempDirectory = forkConfiguration.getTempDirectory();
             try {
                 FileUtils.deleteDirectory(tempDirectory);
             } catch (IOException e) {
                 getConsoleLogger()
                         .warning("Could not delete temp directory " + tempDirectory + " because " + e.getMessage());
             }
         }
     }
 
     protected void logReportsDirectory() {
         logDebugOrCliShowErrors(capitalizeFirstLetter(getPluginName()) + " report directory: " + getReportsDirectory());
     }
 
     private boolean existsModuleDescriptor(ResolvePathResultWrapper resolvedJavaModularityResult) {
         return resolvedJavaModularityResult.getResolvePathResult() != null;
     }
 
     private ResolvePathResultWrapper findModuleDescriptor(File jdkHome) {
         ResolvePathResultWrapper test = findModuleDescriptor(jdkHome, getTestClassesDirectory(), false);
         return test.getResolvePathResult() == null ? findModuleDescriptor(jdkHome, getMainBuildPath(), true) : test;
     }
 
     private ResolvePathResultWrapper findModuleDescriptor(File jdkHome, File buildPath, boolean isMainDescriptor) {
         boolean isJpmsModule =
                 buildPath.isDirectory() ? new File(buildPath, "module-info.class").exists() : isModule(buildPath);
 
         if (!isJpmsModule) {
             return new ResolvePathResultWrapper(null, isMainDescriptor);
         }
 
         try {
             ResolvePathRequest<?> request = ResolvePathRequest.ofFile(buildPath).setJdkHome(jdkHome);
             ResolvePathResult result = getLocationManager().resolvePath(request);
             boolean isEmpty = result.getModuleNameSource() == null;
             return new ResolvePathResultWrapper(isEmpty ? null : result, isMainDescriptor);
         } catch (Exception e) {
             return new ResolvePathResultWrapper(null, isMainDescriptor);
         }
     }
 
     private static boolean isModule(File jar) {
         try (ZipFile zip = new ZipFile(jar)) {
             return zip.getEntry("module-info.class") != null;
         } catch (IOException e) {
             return false;
         }
     }
 
     private boolean canExecuteProviderWithModularPath(
             @Nonnull Platform platform, @Nonnull ResolvePathResultWrapper resolvedJavaModularityResult) {
         return useModulePath()
                 && platform.getJdkExecAttributesForTests().isJava9AtLeast()
                 && existsModuleDescriptor(resolvedJavaModularityResult);
     }
 
     /**
      * Converts old TestNG configuration parameters over to new properties based configuration
      * method. (if any are defined the old way)
      */
     private void convertTestNGParameters() throws MojoExecutionException {
         if (this.getParallel() != null) {
             getProperties().setProperty(ProviderParameterNames.PARALLEL_PROP, this.getParallel());
         }
         convertGroupParameters();
 
         if (this.getThreadCount() > 0) {
             getProperties()
                     .setProperty(ProviderParameterNames.THREADCOUNT_PROP, Integer.toString(this.getThreadCount()));
         }
         if (this.getObjectFactory() != null) {
             getProperties().setProperty("objectfactory", this.getObjectFactory());
         }
         if (this.getTestClassesDirectory() != null) {
             getProperties()
                     .setProperty(
                             "testng.test.classpath", getTestClassesDirectory().getAbsolutePath());
         }
 
         Artifact testNgArtifact = getTestNgArtifact();
         if (testNgArtifact != null) {
             DefaultArtifactVersion defaultArtifactVersion = new DefaultArtifactVersion(testNgArtifact.getVersion());
             getProperties()
                     .setProperty(
                             "testng.configurator", getConfiguratorName(defaultArtifactVersion, getConsoleLogger()));
         }
     }
 
     private static String getConfiguratorName(ArtifactVersion version, PluginConsoleLogger log)
             throws MojoExecutionException {
         try {
             VersionRange range = VersionRange.createFromVersionSpec("[4.7,5.2)");
             if (range.containsVersion(version)) {
                 return "org.apache.maven.surefire.testng.conf.TestNG4751Configurator";
             }
             range = VersionRange.createFromVersionSpec("[5.2,5.3)");
             if (range.containsVersion(version)) {
                 return "org.apache.maven.surefire.testng.conf.TestNG52Configurator";
             }
             range = VersionRange.createFromVersionSpec("[5.3,5.10)");
             if (range.containsVersion(version)) {
                 return "org.apache.maven.surefire.testng.conf.TestNGMapConfigurator";
             }
             range = VersionRange.createFromVersionSpec("[5.10,5.13)");
             if (range.containsVersion(version)) {
                 return "org.apache.maven.surefire.testng.conf.TestNG510Configurator";
             }
             range = VersionRange.createFromVersionSpec("[5.13,5.14.1)");
             if (range.containsVersion(version)) {
                 return "org.apache.maven.surefire.testng.conf.TestNG513Configurator";
             }
             range = VersionRange.createFromVersionSpec("[5.14.1,5.14.3)");
             if (range.containsVersion(version)) {
                 log.warning("The 'reporter' or 'listener' may not work properly in TestNG 5.14.1 and 5.14.2.");
                 return "org.apache.maven.surefire.testng.conf.TestNG5141Configurator";
             }
             range = VersionRange.createFromVersionSpec("[5.14.3,6.0)");
             if (range.containsVersion(version)) {
                 if (version.equals(new DefaultArtifactVersion("[5.14.3,5.14.5]"))) {
                     throw new MojoExecutionException("TestNG 5.14.3-5.14.5 is not supported. "
                             + "System dependency org.testng:guice missed path.");
                 }
                 return "org.apache.maven.surefire.testng.conf.TestNG5143Configurator";
             }
             range = VersionRange.createFromVersionSpec("[6.0,7.4.0)");
             if (range.containsVersion(version)) {
                 return "org.apache.maven.surefire.testng.conf.TestNG60Configurator";
             }
             range = VersionRange.createFromVersionSpec("[7.4.0,)");
             if (range.containsVersion(version)) {
                 return "org.apache.maven.surefire.testng.conf.TestNG740Configurator";
             }
 
             throw new MojoExecutionException("Unknown TestNG version " + version);
         } catch (InvalidVersionSpecificationException invsex) {
             throw new MojoExecutionException("Bug in plugin. Please report it with the attached stacktrace", invsex);
         }
     }
 
     private void convertGroupParameters() {
         if (this.getExcludedGroups() != null) {
             getProperties().setProperty(ProviderParameterNames.TESTNG_EXCLUDEDGROUPS_PROP, this.getExcludedGroups());
         }
         if (this.getGroups() != null) {
             getProperties().setProperty(ProviderParameterNames.TESTNG_GROUPS_PROP, this.getGroups());
         }
     }
 
     private void convertJunitEngineParameters() {
         if (getIncludeJUnit5Engines() != null && getIncludeJUnit5Engines().length != 0) {
             getProperties().setProperty(INCLUDE_JUNIT5_ENGINES_PROP, join(getIncludeJUnit5Engines()));
         }
 
         if (getExcludeJUnit5Engines() != null && getExcludeJUnit5Engines().length != 0) {
             getProperties().setProperty(EXCLUDE_JUNIT5_ENGINES_PROP, join(getExcludeJUnit5Engines()));
         }
     }
 
     private static String join(String[] array) {
         StringBuilder stringBuilder = new StringBuilder();
         for (int i = 0, length = array.length; i < length; i++) {
             stringBuilder.append(array[i]);
             if (i < length - 1) {
                 stringBuilder.append(',');
             }
         }
         return stringBuilder.toString();
     }
 
     protected boolean isAnyConcurrencySelected() {
         return getParallel() != null && !getParallel().trim().isEmpty();
     }
 
     protected boolean isAnyGroupsSelected() {
         return this.getGroups() != null || this.getExcludedGroups() != null;
     }
 
     /**
      * Converts old JUnit configuration parameters over to new properties based configuration
      * method. (if any are defined the old way)
      */
     private void convertJunitCoreParameters() throws MojoExecutionException {
         checkThreadCountEntity(getThreadCountSuites(), "suites");
         checkThreadCountEntity(getThreadCountClasses(), "classes");
         checkThreadCountEntity(getThreadCountMethods(), "methods");
 
         String usedParallel = (getParallel() != null) ? getParallel() : "none";
 
         if (!"none".equals(usedParallel)) {
             checkNonForkedThreads(parallel);
         }
 
         getProperties().setProperty(ProviderParameterNames.PARALLEL_PROP, usedParallel);
         if (this.getThreadCount() > 0) {
             getProperties().setProperty(ProviderParameterNames.THREADCOUNT_PROP, Integer.toString(getThreadCount()));
         }
         getProperties().setProperty("perCoreThreadCount", Boolean.toString(getPerCoreThreadCount()));
         getProperties().setProperty("useUnlimitedThreads", Boolean.toString(getUseUnlimitedThreads()));
         getProperties()
                 .setProperty(ProviderParameterNames.THREADCOUNTSUITES_PROP, Integer.toString(getThreadCountSuites()));
         getProperties()
                 .setProperty(ProviderParameterNames.THREADCOUNTCLASSES_PROP, Integer.toString(getThreadCountClasses()));
         getProperties()
                 .setProperty(ProviderParameterNames.THREADCOUNTMETHODS_PROP, Integer.toString(getThreadCountMethods()));
         getProperties()
                 .setProperty(
                         ProviderParameterNames.PARALLEL_TIMEOUT_PROP,
                         Double.toString(getParallelTestsTimeoutInSeconds()));
         getProperties()
                 .setProperty(
                         ProviderParameterNames.PARALLEL_TIMEOUTFORCED_PROP,
                         Double.toString(getParallelTestsTimeoutForcedInSeconds()));
         getProperties()
                 .setProperty(ProviderParameterNames.PARALLEL_OPTIMIZE_PROP, Boolean.toString(isParallelOptimized()));
         getProperties()
                 .setProperty(
                         ProviderParameterNames.ENABLE_OUT_ERR_ELEMENTS_PROP,
                         Boolean.toString(isEnableOutErrElements()));
         getProperties()
                 .setProperty(
                         ProviderParameterNames.ENABLE_PROPERTIES_ELEMENT_PROP,
                         Boolean.toString(isEnablePropertiesElement()));
 
         String message = "parallel='" + usedParallel + '\''
                 + ", perCoreThreadCount=" + getPerCoreThreadCount()
                 + ", threadCount=" + getThreadCount()
                 + ", useUnlimitedThreads=" + getUseUnlimitedThreads()
                 + ", threadCountSuites=" + getThreadCountSuites()
                 + ", threadCountClasses=" + getThreadCountClasses()
                 + ", threadCountMethods=" + getThreadCountMethods()
                 + ", parallelOptimized=" + isParallelOptimized()
                 + ", enableOutErrElements=" + isEnableOutErrElements()
                 + ", enablePropertiesElement=" + isEnablePropertiesElement();
 
         logDebugOrCliShowErrors(message);
     }
 
     private void checkNonForkedThreads(String parallel) throws MojoExecutionException {
         if ("suites".equals(parallel)) {
             if (!(getUseUnlimitedThreads() || getThreadCount() > 0 ^ getThreadCountSuites() > 0)) {
                 throw new MojoExecutionException(
                         "Use threadCount or threadCountSuites > 0 or useUnlimitedThreads=true for parallel='suites'");
             }
             setThreadCountClasses(0);
             setThreadCountMethods(0);
         } else if ("classes".equals(parallel)) {
             if (!(getUseUnlimitedThreads() || getThreadCount() > 0 ^ getThreadCountClasses() > 0)) {
                 throw new MojoExecutionException(
                         "Use threadCount or threadCountClasses > 0 or useUnlimitedThreads=true for parallel='classes'");
             }
             setThreadCountSuites(0);
             setThreadCountMethods(0);
         } else if ("methods".equals(parallel)) {
             if (!(getUseUnlimitedThreads() || getThreadCount() > 0 ^ getThreadCountMethods() > 0)) {
                 throw new MojoExecutionException(
                         "Use threadCount or threadCountMethods > 0 or useUnlimitedThreads=true for parallel='methods'");
             }
             setThreadCountSuites(0);
             setThreadCountClasses(0);
         } else if ("suitesAndClasses".equals(parallel)) {
             if (!(getUseUnlimitedThreads()
                     || onlyThreadCount()
                     || getThreadCountSuites() > 0
                             && getThreadCountClasses() > 0
                             && getThreadCount() == 0
                             && getThreadCountMethods() == 0
                     || getThreadCount() > 0
                             && getThreadCountSuites() > 0
                             && getThreadCountClasses() > 0
                             && getThreadCountMethods() == 0
                     || getThreadCount() > 0
                             && getThreadCountSuites() > 0
                             && getThreadCount() > getThreadCountSuites()
                             && getThreadCountClasses() == 0
                             && getThreadCountMethods() == 0)) {
                 throw new MojoExecutionException("Use useUnlimitedThreads=true, "
                         + "or only threadCount > 0, "
                         + "or (threadCountSuites > 0 and threadCountClasses > 0), "
                         + "or (threadCount > 0 and threadCountSuites > 0 and threadCountClasses > 0) "
                         + "or (threadCount > 0 and threadCountSuites > 0 and threadCount > threadCountSuites) "
                         + "for parallel='suitesAndClasses' or 'both'");
             }
             setThreadCountMethods(0);
         } else if ("suitesAndMethods".equals(parallel)) {
             if (!(getUseUnlimitedThreads()
                     || onlyThreadCount()
                     || getThreadCountSuites() > 0
                             && getThreadCountMethods() > 0
                             && getThreadCount() == 0
                             && getThreadCountClasses() == 0
                     || getThreadCount() > 0
                             && getThreadCountSuites() > 0
                             && getThreadCountMethods() > 0
                             && getThreadCountClasses() == 0
                     || getThreadCount() > 0
                             && getThreadCountSuites() > 0
                             && getThreadCount() > getThreadCountSuites()
                             && getThreadCountClasses() == 0
                             && getThreadCountMethods() == 0)) {
                 throw new MojoExecutionException("Use useUnlimitedThreads=true, "
                         + "or only threadCount > 0, "
                         + "or (threadCountSuites > 0 and threadCountMethods > 0), "
                         + "or (threadCount > 0 and threadCountSuites > 0 and threadCountMethods > 0), "
                         + "or (threadCount > 0 and threadCountSuites > 0 and threadCount > threadCountSuites) "
                         + "for parallel='suitesAndMethods'");
             }
             setThreadCountClasses(0);
         } else if ("both".equals(parallel) || "classesAndMethods".equals(parallel)) {
             if (!(getUseUnlimitedThreads()
                     || onlyThreadCount()
                     || getThreadCountClasses() > 0
                             && getThreadCountMethods() > 0
                             && getThreadCount() == 0
                             && getThreadCountSuites() == 0
                     || getThreadCount() > 0
                             && getThreadCountClasses() > 0
                             && getThreadCountMethods() > 0
                             && getThreadCountSuites() == 0
                     || getThreadCount() > 0
                             && getThreadCountClasses() > 0
                             && getThreadCount() > getThreadCountClasses()
                             && getThreadCountSuites() == 0
                             && getThreadCountMethods() == 0)) {
                 throw new MojoExecutionException("Use useUnlimitedThreads=true, "
                         + "or only threadCount > 0, "
                         + "or (threadCountClasses > 0 and threadCountMethods > 0), "
                         + "or (threadCount > 0 and threadCountClasses > 0 and threadCountMethods > 0), "
                         + "or (threadCount > 0 and threadCountClasses > 0 and threadCount > threadCountClasses) "
                         + "for parallel='both' or parallel='classesAndMethods'");
             }
             setThreadCountSuites(0);
         } else if ("all".equals(parallel)) {
             if (!(getUseUnlimitedThreads()
                     || onlyThreadCount()
                     || getThreadCountSuites() > 0 && getThreadCountClasses() > 0 && getThreadCountMethods() > 0
                     || getThreadCount() > 0
                             && getThreadCountSuites() > 0
                             && getThreadCountClasses() > 0
                             && getThreadCountMethods() == 0
                             && getThreadCount() > (getThreadCountSuites() + getThreadCountClasses()))) {
                 throw new MojoExecutionException("Use useUnlimitedThreads=true, "
                         + "or only threadCount > 0, "
                         + "or (threadCountSuites > 0 and threadCountClasses > 0 and threadCountMethods > 0), "
                         + "or every thread-count is specified, "
                         + "or (threadCount > 0 and threadCountSuites > 0 and threadCountClasses > 0 "
                         + "and threadCount > threadCountSuites + threadCountClasses) "
                         + "for parallel='all'");
             }
         } else {
             throw new MojoExecutionException("Illegal parallel='" + parallel + "'");
         }
     }
 
     private boolean onlyThreadCount() {
         return getThreadCount() > 0
                 && getThreadCountSuites() == 0
                 && getThreadCountClasses() == 0
                 && getThreadCountMethods() == 0;
     }
 
     private static void checkThreadCountEntity(int count, String entity) throws MojoExecutionException {
         if (count < 0) {
             throw new MojoExecutionException("parallel maven execution does not allow negative thread-count" + entity);
         }
     }
 
     private boolean isJunit47Compatible(Artifact artifact) {
         return isWithinVersionSpec(artifact, "[4.7,)");
     }
 
     private boolean isAnyJunit4(Artifact artifact) {
         return isWithinVersionSpec(artifact, "[4.0,)");
     }
 
     protected boolean isForking() {
         return 0 < getEffectiveForkCount();
     }
 
     private List<RunOrder> getRunOrders() {
         String runOrderString = getRunOrder();
         RunOrder[] runOrder = runOrderString == null ? RunOrder.DEFAULT : RunOrder.valueOfMulti(runOrderString);
         return asList(runOrder);
     }
 
     private boolean requiresRunHistory() {
         final List<RunOrder> runOrders = getRunOrders();
         return runOrders.contains(RunOrder.BALANCED) || runOrders.contains(RunOrder.FAILEDFIRST);
     }
 
     private PluginFailureReason getEffectiveFailIfNoTests() {
         if (isSpecificTestSpecified()) {
             return getFailIfNoSpecifiedTests() ? COULD_NOT_RUN_SPECIFIED_TESTS : NONE;
         } else {
             return getFailIfNoTests() ? COULD_NOT_RUN_DEFAULT_TESTS : NONE;
         }
     }
 
     private ProviderConfiguration createProviderConfiguration(RunOrderParameters runOrderParameters)
             throws MojoExecutionException, MojoFailureException {
         final ReporterConfiguration reporterConfiguration =
                 new ReporterConfiguration(getReportsDirectory(), isTrimStackTrace());
 
         final Artifact testNgArtifact = getTestNgArtifact();
         final boolean isTestNg = testNgArtifact != null;
         final TestArtifactInfo testNg =
                 isTestNg ? new TestArtifactInfo(testNgArtifact.getVersion(), testNgArtifact.getClassifier()) : null;
         final TestRequest testSuiteDefinition = new TestRequest(
                 suiteXmlFiles(), getTestSourceDirectory(), getSpecificTests(), getRerunFailingTestsCount());
 
         final boolean actualFailIfNoTests;
         DirectoryScannerParameters directoryScannerParameters = null;
         if (hasSuiteXmlFiles() && !isSpecificTestSpecified()) {
             actualFailIfNoTests = getFailIfNoTests();
             if (!isTestNg) {
                 throw new MojoExecutionException("suiteXmlFiles is configured, but there is no TestNG dependency");
             }
         } else {
             // @todo remove these three params and use DirectoryScannerParameters to pass into DirectoryScanner only
             // @todo or remove it in next major version :: 3.0
             // @todo remove deprecated methods in ProviderParameters => included|excluded|specificTests not needed here
 
             List<String> actualIncludes = getIncludeList(); // Collections.emptyList(); behaves same
             List<String> actualExcludes = getExcludeList(); // Collections.emptyList(); behaves same
             // Collections.emptyList(); behaves same
             List<String> specificTests = Collections.emptyList();
 
             directoryScannerParameters = new DirectoryScannerParameters(
                     getTestClassesDirectory(), actualIncludes, actualExcludes, specificTests, getRunOrder());
         }
 
         Map<String, String> providerProperties = toStringProperties(getProperties());
 
         return new ProviderConfiguration(
                 directoryScannerParameters,
                 runOrderParameters,
                 reporterConfiguration,
                 testNg, // Not really used in provider. Limited to de/serializer.
                 testSuiteDefinition,
                 providerProperties,
                 null,
                 false,
                 cli,
                 getSkipAfterFailureCount(),
                 Shutdown.parameterOf(getShutdown()),
                 getForkedProcessExitTimeoutInSeconds());
     }
 
     private static Map<String, String> toStringProperties(Properties properties) {
         Map<String, String> h = new ConcurrentHashMap<>(properties.size());
         for (Enumeration<?> e = properties.keys(); e.hasMoreElements(); ) {
             Object k = e.nextElement();
             Object v = properties.get(k);
             if (k.getClass() == String.class && v.getClass() == String.class) {
                 h.put((String) k, (String) v);
             }
         }
         return h;
     }
 
     private File getStatisticsFile() {
         String checksum = getRunOrderStatisticsFileChecksum();
         if (checksum == null || checksum.isEmpty()) {
             checksum = getConfigChecksum();
         }
         return new File(getBasedir(), ".surefire-" + checksum);
     }
 
     private StartupConfiguration createStartupConfiguration(
             @Nonnull ProviderInfo provider,
             boolean isForking,
             @Nonnull ClassLoaderConfiguration classLoaderConfiguration,
             @Nonnull DefaultScanResult scanResult,
             @Nonnull TestClassPath testClasspathWrapper,
             @Nonnull Platform platform,
             @Nonnull ResolvePathResultWrapper resolvedJavaModularity)
             throws MojoExecutionException {
         try {
             if (isForking && canExecuteProviderWithModularPath(platform, resolvedJavaModularity)) {
                 File jdkHome = platform.getJdkExecAttributesForTests().getJdkHome();
                 return newStartupConfigWithModularPath(
                         classLoaderConfiguration,
                         provider,
                         resolvedJavaModularity,
                         scanResult,
                         jdkHome.getAbsolutePath(),
                         testClasspathWrapper);
             } else {
                 return newStartupConfigWithClasspath(classLoaderConfiguration, provider, testClasspathWrapper);
             }
         } catch (IOException e) {
             throw new MojoExecutionException(e.getMessage(), e);
         }
     }
 
     private StartupConfiguration newStartupConfigWithClasspath(
             @Nonnull ClassLoaderConfiguration classLoaderConfiguration,
             @Nonnull ProviderInfo providerInfo,
             @Nonnull TestClassPath testClasspathWrapper)
             throws MojoExecutionException {
         Classpath testClasspath = testClasspathWrapper.toClasspath();
         Set<Artifact> providerArtifacts = providerInfo.getProviderClasspath();
         String providerName = providerInfo.getProviderName();
         Classpath providerClasspath = classpathCache.getCachedClassPath(providerName);
         if (providerClasspath == null) {
             providerClasspath = classpathCache.setCachedClasspath(providerName, providerArtifacts);
         }
 
         getConsoleLogger().debug(testClasspath.getLogMessage("test classpath:"));
         getConsoleLogger().debug(providerClasspath.getLogMessage("provider classpath:"));
         getConsoleLogger().debug(testClasspath.getCompactLogMessage("test(compact) classpath:"));
         getConsoleLogger().debug(providerClasspath.getCompactLogMessage("provider(compact) classpath:"));
 
         Artifact[] additionalInProcArtifacts = {
             getCommonArtifact(),
             getBooterArtifact(),
             getExtensionsArtifact(),
             getApiArtifact(),
             getSpiArtifact(),
             getLoggerApiArtifact(),
             getSurefireSharedUtilsArtifact()
         };
         Set<Artifact> inProcArtifacts = retainInProcArtifactsUnique(providerArtifacts, additionalInProcArtifacts);
         Classpath inProcClasspath = createInProcClasspath(providerClasspath, inProcArtifacts);
         getConsoleLogger().debug(inProcClasspath.getLogMessage("in-process classpath:"));
         getConsoleLogger().debug(inProcClasspath.getCompactLogMessage("in-process(compact) classpath:"));
 
         ClasspathConfiguration classpathConfiguration = new ClasspathConfiguration(
                 testClasspath, providerClasspath, inProcClasspath, effectiveIsEnableAssertions(), isChildDelegation());
         ProviderRequirements forkRequirements = new ProviderRequirements(false, false, false);
         return new StartupConfiguration(
                 providerName,
                 classpathConfiguration,
                 classLoaderConfiguration,
                 ProcessCheckerType.toEnum(getEnableProcessChecker()),
                 providerInfo.getJpmsArguments(forkRequirements));
     }
 
     private static Set<Artifact> retainInProcArtifactsUnique(
             Set<Artifact> providerArtifacts, Artifact... inPluginArtifacts) {
         Set<Artifact> result = new LinkedHashSet<>();
         for (Artifact inPluginArtifact : inPluginArtifacts) {
             boolean contains = false;
             for (Artifact providerArtifact : providerArtifacts) {
                 if (hasGroupArtifactId(
                         providerArtifact.getGroupId(), providerArtifact.getArtifactId(), inPluginArtifact)) {
                     contains = true;
                     break;
                 }
             }
             if (!contains) {
                 result.add(inPluginArtifact);
             }
         }
         return result;
     }
 
     private static boolean hasGroupArtifactId(String groupId, String artifactId, Artifact artifact) {
         return groupId.equals(artifact.getGroupId()) && artifactId.equals(artifact.getArtifactId());
     }
 
     private static Classpath createInProcClasspath(Classpath providerClasspath, Set<Artifact> newArtifacts) {
         Classpath inprocClasspath = providerClasspath.clone();
         for (Artifact newArtifact : newArtifacts) {
             inprocClasspath =
                     inprocClasspath.addClassPathElementUrl(newArtifact.getFile().getAbsolutePath());
         }
         return inprocClasspath;
     }
 
     /**
      * For testing purposes - Mockito.
      *
      * @return plexus component
      */
     private LocationManager getLocationManager() {
         return locationManager;
     }
 
     private StartupConfiguration newStartupConfigWithModularPath(
             @Nonnull ClassLoaderConfiguration classLoaderConfiguration,
             @Nonnull ProviderInfo providerInfo,
             @Nonnull ResolvePathResultWrapper moduleDescriptor,
             @Nonnull DefaultScanResult scanResult,
             @Nonnull String javaHome,
             @Nonnull TestClassPath testClasspathWrapper)
             throws MojoExecutionException, IOException {
         boolean isMainDescriptor = moduleDescriptor.isMainModuleDescriptor();
         JavaModuleDescriptor javaModuleDescriptor =
                 moduleDescriptor.getResolvePathResult().getModuleDescriptor();
         SortedSet<String> packages = new TreeSet<>();
 
         Classpath testClasspath = testClasspathWrapper.toClasspath();
         Set<Artifact> providerArtifacts = providerInfo.getProviderClasspath();
         String providerName = providerInfo.getProviderName();
         Classpath providerClasspath = classpathCache.getCachedClassPath(providerName);
         if (providerClasspath == null) {
             providerClasspath = classpathCache.setCachedClasspath(providerName, providerArtifacts);
         }
 
         final ProviderRequirements providerRequirements;
         final Classpath testModulepath;
         if (isMainDescriptor) {
             providerRequirements = new ProviderRequirements(true, true, false);
             ResolvePathsRequest<String> req = ResolvePathsRequest.ofStrings(testClasspath.getClassPath())
                     .setIncludeAllProviders(true)
                     .setJdkHome(javaHome)
                     .setIncludeStatic(true)
                     .setModuleDescriptor(javaModuleDescriptor);
 
             ResolvePathsResult<String> result = getLocationManager().resolvePaths(req);
             for (Entry<String, Exception> entry : result.getPathExceptions().entrySet()) {
                 // Probably JDK version < 9. Other known causes: passing a non-jar or a corrupted jar.
                 getConsoleLogger().warning("Exception for '" + entry.getKey() + "'.", entry.getValue());
             }
 
             testClasspath = new Classpath(result.getClasspathElements());
             testModulepath = new Classpath(result.getModulepathElements().keySet());
 
             for (String className : scanResult.getClasses()) {
                 packages.add(substringBeforeLast(className, "."));
             }
         } else {
             providerRequirements = new ProviderRequirements(true, false, true);
             testModulepath = testClasspath;
             testClasspath = emptyClasspath();
         }
 
         getConsoleLogger().debug("main module descriptor name: " + javaModuleDescriptor.name());
 
         ModularClasspath modularClasspath = new ModularClasspath(
                 javaModuleDescriptor.name(),
                 testModulepath.getClassPath(),
                 packages,
                 isMainDescriptor ? getTestClassesDirectory() : null,
                 isMainDescriptor);
 
         Artifact[] additionalInProcArtifacts = {
             getCommonArtifact(),
             getBooterArtifact(),
             getExtensionsArtifact(),
             getApiArtifact(),
             getSpiArtifact(),
             getLoggerApiArtifact(),
             getSurefireSharedUtilsArtifact()
         };
         Set<Artifact> inProcArtifacts = retainInProcArtifactsUnique(providerArtifacts, additionalInProcArtifacts);
         Classpath inProcClasspath = createInProcClasspath(providerClasspath, inProcArtifacts);
 
         ModularClasspathConfiguration classpathConfiguration = new ModularClasspathConfiguration(
                 modularClasspath,
                 testClasspath,
                 providerClasspath,
                 inProcClasspath,
                 effectiveIsEnableAssertions(),
                 isChildDelegation());
 
         getConsoleLogger().debug(testClasspath.getLogMessage("test classpath:"));
         getConsoleLogger().debug(testModulepath.getLogMessage("test modulepath:"));
         getConsoleLogger().debug(providerClasspath.getLogMessage("provider classpath:"));
         getConsoleLogger().debug(testClasspath.getCompactLogMessage("test(compact) classpath:"));
         getConsoleLogger().debug(testModulepath.getCompactLogMessage("test(compact) modulepath:"));
         getConsoleLogger().debug(providerClasspath.getCompactLogMessage("provider(compact) classpath:"));
         getConsoleLogger().debug(inProcClasspath.getLogMessage("in-process classpath:"));
         getConsoleLogger().debug(inProcClasspath.getCompactLogMessage("in-process(compact) classpath:"));
 
         ProcessCheckerType processCheckerType = ProcessCheckerType.toEnum(getEnableProcessChecker());
         List<String[]> jpmsArgs = providerInfo.getJpmsArguments(providerRequirements);
         return new StartupConfiguration(
                 providerName, classpathConfiguration, classLoaderConfiguration, processCheckerType, jpmsArgs);
     }
 
     private Artifact getCommonArtifact() {
         return getPluginArtifactMap().get("org.apache.maven.surefire:maven-surefire-common");
     }
 
     private Artifact getExtensionsArtifact() {
         return getPluginArtifactMap().get("org.apache.maven.surefire:surefire-extensions-api");
     }
 
     private Artifact getSpiArtifact() {
         return getPluginArtifactMap().get("org.apache.maven.surefire:surefire-extensions-spi");
     }
 
     private Artifact getApiArtifact() {
         return getPluginArtifactMap().get("org.apache.maven.surefire:surefire-api");
     }
 
     private Artifact getSurefireSharedUtilsArtifact() {
         return getPluginArtifactMap().get("org.apache.maven.surefire:surefire-shared-utils");
     }
 
     private Artifact getLoggerApiArtifact() {
         return getPluginArtifactMap().get("org.apache.maven.surefire:surefire-logger-api");
     }
 
     private Artifact getBooterArtifact() {
         return getPluginArtifactMap().get("org.apache.maven.surefire:surefire-booter");
     }
 
     private Artifact getShadefireArtifact() {
         return getPluginArtifactMap().get("org.apache.maven.surefire:surefire-shadefire");
     }
 
     private StartupReportConfiguration getStartupReportConfiguration(
             boolean isForking, ProviderInfo providerInfo, RunOrderParameters runOrderParameters) {
         SurefireStatelessReporter xmlReporter =
                 statelessTestsetReporter == null ? new SurefireStatelessReporter() : statelessTestsetReporter;
 
         if (disableXmlReport != null) {
             xmlReporter.setDisable(disableXmlReport);
         }
 
         SurefireConsoleOutputReporter outReporter =
                 consoleOutputReporter == null ? new SurefireConsoleOutputReporter() : consoleOutputReporter;
 
         SurefireStatelessTestsetInfoReporter testsetReporter = statelessTestsetInfoReporter == null
                 ? new SurefireStatelessTestsetInfoReporter()
                 : statelessTestsetInfoReporter;
 
         // SUREFIRE-1643 we can force this here as junit5 will need this for multi thread test
         ReporterFactoryOptions reporterFactoryOptions = new ReporterFactoryOptions();
         if ("org.apache.maven.surefire.junitplatform.JUnitPlatformProvider".equals(providerInfo.getProviderName())) {
             reporterFactoryOptions.setStatPerSourceName(true);
         }
         return new StartupReportConfiguration(
                 isUseFile(),
                 isPrintSummary(),
                 getReportFormat(),
                 isRedirectTestOutputToFile(),
                 getReportsDirectory(),
                 isTrimStackTrace(),
                 getReportNameSuffix(),
                 runOrderParameters.getRunStatisticsFile(),
                 requiresRunHistory(),
                 getRerunFailingTestsCount(),
                 getReportSchemaLocation(),
                 getEncoding(),
                 isForking,
                 isEnableOutErrElements(),
                 isEnablePropertiesElement(),
                 isReportTestTimestamp(),
                 xmlReporter,
                 outReporter,
                 testsetReporter,
                 reporterFactoryOptions);
     }
 
     private boolean isSpecificTestSpecified() {
         return isNotBlank(getTest());
     }
 
     @Nonnull
     private List<String> readListFromFile(@Nonnull final File file) {
         getConsoleLogger().debug("Reading list from: " + file);
 
         if (!file.exists()) {
             throw new RuntimeException("Failed to load list from file: " + file);
         }
 
         try {
             List<String> list = FileUtils.loadFile(file);
 
             if (getConsoleLogger().isDebugEnabled()) {
                 getConsoleLogger().debug("List contents:");
                 for (String entry : list) {
                     getConsoleLogger().debug("  " + entry);
                 }
             }
             return list;
         } catch (IOException e) {
             throw new RuntimeException("Failed to load list from file: " + file, e);
         }
     }
 
     @Nonnull
     private List<String> getExcludedScanList() throws MojoFailureException {
         return getExcludeList(true);
     }
 
     @Nonnull
     private List<String> getExcludeList() throws MojoFailureException {
         return getExcludeList(false);
     }
 
     /**
      * Computes a merge list of test exclusions.
      * Used only in {@link #getExcludeList()} and {@link #getExcludedScanList()}.
      *
      * @param asScanList true if dependency or directory scanner
      * @return list of patterns
      * @throws MojoFailureException if the excludes breaks a pattern format
      */
     @Nonnull
     private List<String> getExcludeList(boolean asScanList) throws MojoFailureException {
         List<String> excludes;
         if (isSpecificTestSpecified()) {
             excludes = Collections.emptyList();
         } else {
             excludes = new ArrayList<>();
             if (asScanList) {
                 if (getExcludes() != null) {
                     excludes.addAll(getExcludes());
                 }
                 checkMethodFilterInIncludesExcludes(excludes);
             }
 
             if (getExcludesFile() != null) {
                 excludes.addAll(readListFromFile(getExcludesFile()));
             }
 
             if (asScanList && excludes.isEmpty()) {
                 excludes = Collections.singletonList(getDefaultExcludes());
             }
         }
         return filterNulls(excludes);
     }
 
     @Nonnull
     private List<String> getIncludedScanList() throws MojoFailureException {
         return getIncludeList(true);
     }
 
     @Nonnull
     private List<String> getIncludeList() throws MojoFailureException {
         return getIncludeList(false);
     }
 
     /**
      * Computes a merge list of test inclusions.
      * Used only in {@link #getIncludeList()} and {@link #getIncludedScanList()}.
      *
      * @param asScanList true if dependency or directory scanner
      * @return list of patterns
      * @throws MojoFailureException if the includes breaks a pattern format
      */
     @Nonnull
     private List<String> getIncludeList(boolean asScanList) throws MojoFailureException {
         final List<String> includes = new ArrayList<>();
         if (isSpecificTestSpecified()) {
             addAll(includes, split(getTest(), ","));
         } else {
             if (asScanList) {
                 if (getIncludes() != null) {
                     includes.addAll(getIncludes());
                 }
                 checkMethodFilterInIncludesExcludes(includes);
             }
 
             if (getIncludesFile() != null) {
                 includes.addAll(readListFromFile(getIncludesFile()));
             }
 
             if (asScanList && includes.isEmpty()) {
                 addAll(includes, getDefaultIncludes());
             }
         }
 
         return filterNulls(includes);
     }
 
     private void checkMethodFilterInIncludesExcludes(Iterable<String> patterns) throws MojoFailureException {
         for (String pattern : patterns) {
             if (pattern != null && pattern.contains("#")) {
                 throw new MojoFailureException("Method filter prohibited in includes|excludes parameter: " + pattern);
             }
         }
     }
 
     private TestListResolver getIncludedAndExcludedTests() throws MojoFailureException {
         if (includedExcludedTests == null) {
             includedExcludedTests = new TestListResolver(getIncludedScanList(), getExcludedScanList());
             getConsoleLogger().debug("Resolved included and excluded patterns: " + includedExcludedTests);
         }
         return includedExcludedTests;
     }
 
     public TestListResolver getSpecificTests() throws MojoFailureException {
         if (specificTests == null) {
             specificTests = new TestListResolver(getIncludeList(), getExcludeList());
         }
         return specificTests;
     }
 
     @Nonnull
     private List<String> filterNulls(@Nonnull List<String> toFilter) {
         List<String> result = new ArrayList<>(toFilter.size());
         for (String item : toFilter) {
             if (item != null) {
                 item = item.trim();
                 if (!item.isEmpty()) {
                     result.add(item);
                 }
             }
         }
 
         return result;
     }
 
     private Artifact getTestNgArtifact() throws MojoExecutionException {
         Artifact artifact = getProjectArtifactMap().get(getTestNGArtifactName());
         Artifact projectArtifact = project.getArtifact();
         String projectArtifactName = projectArtifact.getGroupId() + ":" + projectArtifact.getArtifactId();
 
         if (artifact != null) {
             VersionRange range = createVersionRange();
             if (!range.containsVersion(new DefaultArtifactVersion(artifact.getVersion()))) {
                 throw new MojoExecutionException(
                         "TestNG support requires version 4.7 or above. You have declared version "
                                 + artifact.getVersion());
             }
         } else if (projectArtifactName.equals(getTestNGArtifactName())) {
             artifact = projectArtifact;
         }
 
         return artifact;
     }
 
     private VersionRange createVersionRange() {
         try {
             return VersionRange.createFromVersionSpec("[4.7,)");
         } catch (InvalidVersionSpecificationException e) {
             throw new RuntimeException(e);
         }
     }
 
     private Artifact getJunitArtifact() {
         Artifact artifact = getProjectArtifactMap().get(getJunitArtifactName());
         Artifact projectArtifact = project.getArtifact();
         String projectArtifactName = projectArtifact.getGroupId() + ":" + projectArtifact.getArtifactId();
 
         if (artifact == null && projectArtifactName.equals(getJunitArtifactName())) {
             artifact = projectArtifact;
         }
 
         return artifact;
     }
 
     private Artifact getJunitDepArtifact() {
         return getProjectArtifactMap().get("junit:junit-dep");
     }
 
     private Artifact getJUnitPlatformRunnerArtifact() {
         return getProjectArtifactMap().get("org.junit.platform:junit-platform-runner");
     }
 
     private Artifact getJUnit5Artifact() {
         Artifact artifact = getPluginArtifactMap().get("org.junit.platform:junit-platform-engine");
         if (artifact == null) {
             return getProjectArtifactMap().get("org.junit.platform:junit-platform-commons");
         }
 
         return artifact;
     }
 
     private ForkStarter createForkStarter(
             @Nonnull ProviderInfo provider,
             @Nonnull ForkConfiguration forkConfiguration,
             @Nonnull ClassLoaderConfiguration classLoaderConfiguration,
             @Nonnull RunOrderParameters runOrderParameters,
             @Nonnull ConsoleLogger log,
             @Nonnull DefaultScanResult scanResult,
             @Nonnull TestClassPath testClasspathWrapper,
             @Nonnull Platform platform,
             @Nonnull ResolvePathResultWrapper resolvedJavaModularityResult)
             throws MojoExecutionException, MojoFailureException {
         StartupConfiguration startupConfiguration = createStartupConfiguration(
                 provider,
                 true,
                 classLoaderConfiguration,
                 scanResult,
                 testClasspathWrapper,
                 platform,
                 resolvedJavaModularityResult);
         StartupReportConfiguration startupReportConfiguration =
                 getStartupReportConfiguration(true, provider, runOrderParameters);
 
         ProviderConfiguration providerConfiguration = createProviderConfiguration(runOrderParameters);
         return new ForkStarter(
                 providerConfiguration,
                 startupConfiguration,
                 forkConfiguration,
                 getForkedProcessTimeoutInSeconds(),
                 startupReportConfiguration,
                 log);
     }
 
     private InPluginVMSurefireStarter createInprocessStarter(
             @Nonnull ProviderInfo provider,
             @Nonnull ClassLoaderConfiguration classLoaderConfig,
             @Nonnull RunOrderParameters runOrderParameters,
             @Nonnull DefaultScanResult scanResult,
             @Nonnull Platform platform,
             @Nonnull TestClassPath testClasspathWrapper)
             throws MojoExecutionException, MojoFailureException {
         StartupConfiguration startupConfiguration = createStartupConfiguration(
                 provider,
                 false,
                 classLoaderConfig,
                 scanResult,
                 testClasspathWrapper,
                 platform,
                 new ResolvePathResultWrapper(null, true));
         StartupReportConfiguration startupReportConfiguration =
                 getStartupReportConfiguration(false, provider, runOrderParameters);
         ProviderConfiguration providerConfiguration = createProviderConfiguration(runOrderParameters);
         return new InPluginVMSurefireStarter(
                 startupConfiguration, providerConfiguration, startupReportConfiguration, getConsoleLogger(), platform);
     }
 
     // todo this is in separate method and can be better tested than whole method createForkConfiguration()
     @Nonnull
     private ForkNodeFactory getForkNodeFactory() {
         ForkNodeFactory forkNode = getForkNode();
         return forkNode == null ? new LegacyForkNodeFactory() : forkNode;
     }
 
     @Nonnull
     private ForkConfiguration createForkConfiguration(
             @Nonnull Platform platform, @Nonnull ResolvePathResultWrapper resolvedJavaModularityResult)
             throws MojoExecutionException {
         File tmpDir = getSurefireTempDir();
 
         Artifact shadeFire = getShadefireArtifact();
 
         Classpath bootClasspath = getArtifactClasspath(shadeFire != null ? shadeFire : getBooterArtifact());
 
         ForkNodeFactory forkNode = getForkNodeFactory();
 
         getConsoleLogger()
                 .debug("Found implementation of fork node factory: "
                         + forkNode.getClass().getName());
 
         if (canExecuteProviderWithModularPath(platform, resolvedJavaModularityResult)) {
             return new ModularClasspathForkConfiguration(
                     bootClasspath,
                     tmpDir,
                     getEffectiveDebugForkedProcess(),
                     getWorkingDirectory() != null ? getWorkingDirectory() : getBasedir(),
                     getProject().getModel().getProperties(),
                     getArgLine(),
                     getEnvironmentVariables(),
                     getExcludedEnvironmentVariables(),
                     getConsoleLogger().isDebugEnabled(),
                     getEffectiveForkCount(),
                     reuseForks,
                     platform,
                     getConsoleLogger(),
                     forkNode);
         } else if (getClassLoaderConfiguration().isManifestOnlyJarRequestedAndUsable()) {
             return new JarManifestForkConfiguration(
                     bootClasspath,
                     tmpDir,
                     getEffectiveDebugForkedProcess(),
                     getWorkingDirectory() != null ? getWorkingDirectory() : getBasedir(),
                     getProject().getModel().getProperties(),
                     getArgLine(),
                     getEnvironmentVariables(),
                     getExcludedEnvironmentVariables(),
                     getConsoleLogger().isDebugEnabled(),
                     getEffectiveForkCount(),
                     reuseForks,
                     platform,
                     getConsoleLogger(),
                     forkNode);
         } else {
             return new ClasspathForkConfiguration(
                     bootClasspath,
                     tmpDir,
                     getEffectiveDebugForkedProcess(),
                     getWorkingDirectory() != null ? getWorkingDirectory() : getBasedir(),
                     getProject().getModel().getProperties(),
                     getArgLine(),
                     getEnvironmentVariables(),
                     getExcludedEnvironmentVariables(),
                     getConsoleLogger().isDebugEnabled(),
                     getEffectiveForkCount(),
                     reuseForks,
                     platform,
                     getConsoleLogger(),
                     forkNode);
         }
     }
 
     private void ensureEnableProcessChecker() throws MojoFailureException {
         if (!ProcessCheckerType.isValid(getEnableProcessChecker())) {
             throw new MojoFailureException("Unexpected value '"
                     + getEnableProcessChecker()
                     + "' in the configuration parameter 'enableProcessChecker'.");
         }
     }
 
     @SuppressWarnings("checkstyle:emptyblock")
     protected int getEffectiveForkCount() {
         if (effectiveForkCount < 0) {
             try {
                 effectiveForkCount = convertWithCoreCount(forkCount);
             } catch (NumberFormatException ignored) {
             }
 
             if (effectiveForkCount < 0) {
                 throw new IllegalArgumentException("Fork count " + forkCount.trim() + " is not a legal value.");
             }
         }
 
         return effectiveForkCount;
     }
 
     protected int convertWithCoreCount(String count) {
         String trimmed = count.trim();
         if (trimmed.endsWith("C")) {
             double multiplier = Double.parseDouble(trimmed.substring(0, trimmed.length() - 1));
             double calculated = multiplier * ((double) Runtime.getRuntime().availableProcessors());
             return calculated > 0d ? Math.max((int) calculated, 1) : 0;
         } else {
             return parseInt(trimmed);
         }
     }
 
     private String getEffectiveDebugForkedProcess() {
         String debugForkedProcess = getDebugForkedProcess();
         if ("true".equals(debugForkedProcess)) {
             return "-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=localhost:5005";
         }
         return debugForkedProcess;
     }
 
     private JdkAttributes getEffectiveJvm() throws MojoFailureException {
         if (isNotEmpty(getJvm())) {
             File pathToJava = new File(getJvm()).getAbsoluteFile();
             if (!endsWithJavaPath(pathToJava.getPath())) {
                 throw new MojoFailureException(
                         "Given path does not end with java executor \"" + pathToJava.getPath() + "\".");
             }
 
             if (!(pathToJava.isFile()
                     || "java".equals(pathToJava.getName())
                             && pathToJava.getParentFile().isDirectory())) {
                 throw new MojoFailureException(
                         "Given path to java executor does not exist \"" + pathToJava.getPath() + "\".");
             }
 
             File jdkHome = toJdkHomeFromJvmExec(pathToJava.getPath());
             if (jdkHome == null) {
                 getConsoleLogger().warning("Cannot determine JAVA_HOME of jvm exec path " + pathToJava);
             } else if (!getEnvironmentVariables().containsKey("JAVA_HOME")) {
                 getEnvironmentVariables().put("JAVA_HOME", jdkHome.getAbsolutePath());
             }
             BigDecimal version = jdkHome == null ? null : toJdkVersionFromReleaseFile(jdkHome);
             boolean javaVersion9 = version == null ? isJava9AtLeast(pathToJava.getPath()) : isJava9AtLeast(version);
             return new JdkAttributes(pathToJava, jdkHome, javaVersion9);
         }
 
         if (toolchain != null) {
             String jvmToUse = toolchain.findTool("java");
             if (isNotEmpty(jvmToUse)) {
                 boolean javaVersion9 = false;
                 String jdkHome = null;
 
                 if (toolchain instanceof DefaultToolchain) {
                     DefaultToolchain defaultToolchain = (DefaultToolchain) toolchain;
                     javaVersion9 = defaultToolchain.matchesRequirements(JAVA_9_MATCHER)
                             || defaultToolchain.matchesRequirements(JAVA_9_MATCHER_OLD_NOTATION);
                 }
 
                 if (toolchain instanceof DefaultJavaToolChain) {
                     DefaultJavaToolChain defaultJavaToolChain = (DefaultJavaToolChain) toolchain;
                     if (!getEnvironmentVariables().containsKey("JAVA_HOME")) {
                         jdkHome = defaultJavaToolChain.getJavaHome();
                         getEnvironmentVariables().put("JAVA_HOME", jdkHome);
                     }
                 }
 
                 if (!javaVersion9) {
                     javaVersion9 = isJava9AtLeast(jvmToUse);
                 }
 
                 return new JdkAttributes(
                         new File(jvmToUse),
                         jdkHome == null ? toJdkHomeFromJvmExec(jvmToUse) : new File(jdkHome),
                         javaVersion9);
             }
         }
 
         // use the same JVM as the one used to run Maven (the "java.home" one)
         String jvmToUse = System.getProperty("java.home") + File.separator + "bin" + File.separator + "java";
         getConsoleLogger().debug("Using JVM: " + jvmToUse + " with Java version " + JAVA_RECENT);
 
         return new JdkAttributes(jvmToUse, isBuiltInJava9AtLeast());
     }
 
     /**
      * Where surefire stores its own temp files.
      *
      * @return a file pointing to the location of surefire's own temp files
      */
     File getSurefireTempDir() {
         File result = IS_OS_WINDOWS ? createSurefireBootDirectoryInTemp() : createSurefireBootDirectoryInBuild();
         try {
             File canonical = result.getCanonicalFile();
             if (!result.equals(canonical)) {
                 getConsoleLogger().debug("Canonicalized tempDir path '" + result + "' to '" + canonical + "'");
             }
             return canonical;
         } catch (IOException e) {
             getConsoleLogger().error("Could not canonicalize tempDir path '" + result + "'", e);
         }
         return result;
     }
 
     /**
      * Operates on raw plugin parameters, not the "effective" values.
      *
      * @return the checksum
      */
     private String getConfigChecksum() {
         ChecksumCalculator checksum = new ChecksumCalculator();
         checksum.add(getPluginName());
         checksum.add(isSkipTests());
         checksum.add(isSkipExec());
         checksum.add(isSkip());
         checksum.add(getTestClassesDirectory());
         checksum.add(getMainBuildPath());
         checksum.add(getClasspathDependencyExcludes());
         checksum.add(getClasspathDependencyScopeExclude());
         checksum.add(getAdditionalClasspathElements());
         checksum.add(getReportsDirectory());
         checksum.add(getProjectBuildDirectory());
         checksum.add(getTestSourceDirectory());
         checksum.add(getTest());
         checksum.add(getIncludes());
         checksum.add(getSkipAfterFailureCount());
         checksum.add(getShutdown());
         checksum.add(getExcludes());
         checksum.add(getLocalRepositoryPath());
         checksum.add(getSystemProperties());
         checksum.add(getSystemPropertyVariables());
         checksum.add(getSystemPropertiesFile());
         checksum.add(getProperties());
         checksum.add(isPrintSummary());
         checksum.add(getReportFormat());
         checksum.add(getReportNameSuffix());
         checksum.add(isUseFile());
         checksum.add(isRedirectTestOutputToFile());
         checksum.add(getForkCount());
         checksum.add(isReuseForks());
         checksum.add(getJvm());
         checksum.add(getArgLine());
         checksum.add(getDebugForkedProcess());
         checksum.add(getForkedProcessTimeoutInSeconds());
         checksum.add(getParallelTestsTimeoutInSeconds());
         checksum.add(getParallelTestsTimeoutForcedInSeconds());
         checksum.add(getEnvironmentVariables());
         checksum.add(getExcludedEnvironmentVariables());
         checksum.add(getWorkingDirectory());
         checksum.add(isChildDelegation());
         checksum.add(getGroups());
         checksum.add(getExcludedGroups());
         checksum.add(getIncludeJUnit5Engines());
         checksum.add(getExcludeJUnit5Engines());
         checksum.add(getSuiteXmlFiles());
         checksum.add(getJunitArtifact());
         checksum.add(getTestNGArtifactName());
         checksum.add(getThreadCount());
         checksum.add(getThreadCountSuites());
         checksum.add(getThreadCountClasses());
         checksum.add(getThreadCountMethods());
         checksum.add(getPerCoreThreadCount());
         checksum.add(getUseUnlimitedThreads());
         checksum.add(getParallel());
         checksum.add(isParallelOptimized());
         checksum.add(isTrimStackTrace());
         checksum.add(disableXmlReport);
         checksum.add(isUseSystemClassLoader());
         checksum.add(isUseManifestOnlyJar());
         checksum.add(getEncoding());
         checksum.add(isEnableAssertions());
         checksum.add(getObjectFactory());
         checksum.add(getFailIfNoTests());
         checksum.add(getRunOrder());
         checksum.add(getDependenciesToScan());
         checksum.add(getForkedProcessExitTimeoutInSeconds());
         checksum.add(getRerunFailingTestsCount());
         checksum.add(getTempDir());
         checksum.add(useModulePath());
         checksum.add(getEnableProcessChecker());
         checksum.add(isEnableOutErrElements());
         checksum.add(isEnablePropertiesElement());
         addPluginSpecificChecksumItems(checksum);
         return checksum.getSha1();
     }
 
     protected void addPluginSpecificChecksumItems(ChecksumCalculator checksum) {}
 
     protected boolean hasExecutedBefore() {
         // A tribute to Linus Torvalds
         String configChecksum = getConfigChecksum();
         @SuppressWarnings("unchecked")
         Map<String, String> pluginContext = getPluginContext();
         if (pluginContext.containsKey(configChecksum)) {
             getConsoleLogger()
                     .info("Skipping execution of surefire because it has already been run for this configuration");
             return true;
         }
         pluginContext.put(configChecksum, configChecksum);
 
         return false;
     }
 
     @Nonnull
     protected ClassLoaderConfiguration getClassLoaderConfiguration() {
         return isForking()
                 ? new ClassLoaderConfiguration(isUseSystemClassLoader(), isUseManifestOnlyJar())
                 : new ClassLoaderConfiguration(false, false);
     }
 
     /**
      * Generates the test classpath.
      *
      * @return the classpath elements
      * @throws MojoFailureException
      */
     private TestClassPath generateTestClasspath() throws MojoFailureException {
         Set<Artifact> classpathArtifacts = getProject().getArtifacts();
 
         if (getClasspathDependencyScopeExclude() != null
                 && !getClasspathDependencyScopeExclude().isEmpty()) {
             ArtifactFilter dependencyFilter = new ScopeArtifactFilter(getClasspathDependencyScopeExclude());
             classpathArtifacts = filterArtifacts(classpathArtifacts, dependencyFilter);
         }
 
         if (getClasspathDependencyExcludes() != null) {
             List<String> excludedDependencies = asList(getClasspathDependencyExcludes());
             ArtifactFilter dependencyFilter = new PatternIncludesArtifactFilter(excludedDependencies);
             classpathArtifacts = filterArtifacts(classpathArtifacts, dependencyFilter);
         }
 
         Map<String, Artifact> dependencyConflictIdsProjectArtifacts = classpathArtifacts.stream()
                 .collect(Collectors.toMap(Artifact::getDependencyConflictId, Function.identity()));
         Set<String> additionalClasspathElements = new LinkedHashSet<>();
         if (getAdditionalClasspathElements() != null) {
             Arrays.stream(getAdditionalClasspathElements()).forEach(additionalClasspathElements::add);
         }
         if (additionalClasspathDependencies != null && !additionalClasspathDependencies.isEmpty()) {
             Collection<Artifact> additionalArtifacts = resolveDependencies(additionalClasspathDependencies);
             // check for potential conflicts with project dependencies
             for (Artifact additionalArtifact : additionalArtifacts) {
                 Artifact conflictingArtifact =
                         dependencyConflictIdsProjectArtifacts.get(additionalArtifact.getDependencyConflictId());
                 if (conflictingArtifact != null
                         && !additionalArtifact.getVersion().equals(conflictingArtifact.getVersion())) {
                     getConsoleLogger()
                             .warning(
                                     "Potential classpath conflict between project dependency and resolved additionalClasspathDependency: Found multiple versions of "
                                             + additionalArtifact.getDependencyConflictId() + ": "
                                             + additionalArtifact.getVersion() + " and "
                                             + conflictingArtifact.getVersion());
                 }
                 additionalClasspathElements.add(additionalArtifact.getFile().getAbsolutePath());
             }
         }
         return new TestClassPath(
                 classpathArtifacts, getMainBuildPath(), getTestClassesDirectory(), additionalClasspathElements);
     }
 
     protected Collection<Artifact> resolveDependencies(List<Dependency> dependencies) throws MojoFailureException {
         Map<String, Artifact> dependencyConflictIdsAndArtifacts = new HashMap<>();
         try {
             dependencies.stream()
                     .map(dependency -> {
                         try {
                             return surefireDependencyResolver.resolveDependencies(
                                     session.getRepositorySession(), project.getRemoteProjectRepositories(), dependency);
                         } catch (MojoExecutionException e) {
                             throw new IllegalStateException(e);
                         }
                     })
                     .forEach(artifacts -> {
                         for (Artifact a : artifacts) {
                             Artifact conflictingArtifact =
                                     dependencyConflictIdsAndArtifacts.get(a.getDependencyConflictId());
                             if (conflictingArtifact != null
                                     && !a.getVersion().equals(conflictingArtifact.getVersion())) {
                                 getConsoleLogger()
                                         .warning(
                                                 "Potential classpath conflict among resolved additionalClasspathDependencies: Found multiple versions of "
                                                         + a.getDependencyConflictId() + ": " + a.getVersion() + " and "
                                                         + conflictingArtifact.getVersion());
                             } else {
                                 dependencyConflictIdsAndArtifacts.put(a.getDependencyConflictId(), a);
                             }
                         }
                     });
         } catch (IllegalStateException e) {
             throw new MojoFailureException(e.getMessage(), e.getCause());
         }
         return dependencyConflictIdsAndArtifacts.values();
     }
 
     /**
      * Return a new set containing only the artifacts not accepted by the given filter.
      *
      * @param artifacts the unfiltered artifacts
      * @param filter    the excludes filter to apply
      * @return the filtered result
      */
     private static Set<Artifact> filterArtifacts(Set<Artifact> artifacts, ArtifactFilter filter) {
         Set<Artifact> filteredArtifacts = new LinkedHashSet<>();
 
         for (Artifact artifact : artifacts) {
             if (!filter.include(artifact)) {
                 filteredArtifacts.add(artifact);
             }
         }
 
         return filteredArtifacts;
     }
 
     private void showMap(Map<?, ?> map, String setting) {
         for (Object o : map.keySet()) {
             String key = (String) o;
             String value = (String) map.get(key);
             getConsoleLogger().debug("Setting " + setting + " [" + key + "]=[" + value + "]");
         }
     }
 
     private <T> void showArray(T[] array, String setting) {
         for (T e : array) {
             getConsoleLogger().debug("Setting " + setting + " [" + e + "]");
         }
     }
 
     private Classpath getArtifactClasspath(Artifact surefireArtifact) throws MojoExecutionException {
         Classpath existing = classpathCache.getCachedClassPath(surefireArtifact.getArtifactId());
         if (existing == null) {
             List<String> items = new ArrayList<>();
             Set<Artifact> booterArtifacts = surefireDependencyResolver.resolveArtifacts(
                     session.getRepositorySession(), project.getRemotePluginRepositories(), surefireArtifact);
             for (Artifact artifact : booterArtifacts) {
                 items.add(artifact.getFile().getAbsolutePath());
             }
             existing = new Classpath(items);
             classpathCache.setCachedClasspath(surefireArtifact.getArtifactId(), existing);
         }
         return existing;
     }
 
     Properties getUserProperties() {
         return getSession().getUserProperties();
     }
 
     private void ensureWorkingDirectoryExists() throws MojoFailureException {
         if (getWorkingDirectory() == null) {
             throw new MojoFailureException("workingDirectory cannot be null");
         }
 
         if (isForking()) {
             // Postpone directory creation till forked JVM creation
             // see ForkConfiguration.createCommandLine
             return;
         }
 
         if (!getWorkingDirectory().exists()) {
             if (!getWorkingDirectory().mkdirs()) {
                 throw new MojoFailureException("Cannot create workingDirectory " + getWorkingDirectory());
             }
         }
 
         if (!getWorkingDirectory().isDirectory()) {
             throw new MojoFailureException(
                     "workingDirectory " + getWorkingDirectory() + " exists and is not a directory");
         }
     }
 
     private void ensureParallelRunningCompatibility() throws MojoFailureException {
         if (isMavenParallel() && isNotForking()) {
             throw new MojoFailureException("parallel maven execution is not compatible with surefire forkCount 0");
         }
     }
 
     private void warnIfUselessUseSystemClassLoaderParameter() {
         if (isUseSystemClassLoader() && isNotForking()) {
             getConsoleLogger().warning("useSystemClassLoader setting has no effect when not forking");
         }
     }
 
     private boolean isNotForking() {
         return !isForking();
     }
 
     private List<CommandLineOption> commandLineOptions() {
         return SurefireHelper.commandLineOptions(getSession(), getConsoleLogger());
     }
 
     private void warnIfDefunctGroupsCombinations() throws MojoFailureException, MojoExecutionException {
         if (isAnyGroupsSelected()) {
             if (getTestNgArtifact() == null) {
                 Artifact junitArtifact = getJunitArtifact();
                 boolean junit47Compatible = isJunit47Compatible(junitArtifact);
                 boolean junit5PlatformCompatible = getJUnit5Artifact() != null;
                 if (!junit47Compatible && !junit5PlatformCompatible) {
                     if (junitArtifact != null) {
                         throw new MojoFailureException("groups/excludedGroups are specified but JUnit version on "
                                 + "classpath is too old to support groups. "
                                 + "Check your dependency:tree to see if your project "
                                 + "is picking up an old junit version");
                     }
                     throw new MojoFailureException("groups/excludedGroups require TestNG, JUnit48+ or JUnit 5 "
                             + "(a specific engine required on classpath) on project test classpath");
                 }
             }
         }
     }
 
     private void warnIfRerunClashes() throws MojoFailureException {
         if (getRerunFailingTestsCount() < 0) {
             throw new MojoFailureException("Parameter \"rerunFailingTestsCount\" should not be negative.");
         }
 
         if (getSkipAfterFailureCount() < 0) {
             throw new MojoFailureException("Parameter \"skipAfterFailureCount\" should not be negative.");
         }
     }
 
     private void warnIfWrongShutdownValue() throws MojoFailureException {
         if (!Shutdown.isKnown(getShutdown())) {
             throw new MojoFailureException("Parameter \"shutdown\" should have values " + Shutdown.listParameters());
         }
     }
 
     private void warnIfNotApplicableSkipAfterFailureCount() throws MojoFailureException {
         int skipAfterFailureCount = getSkipAfterFailureCount();
 
         if (skipAfterFailureCount < 0) {
             throw new MojoFailureException("Parameter \"skipAfterFailureCount\" should not be negative.");
         } else if (skipAfterFailureCount > 0) {
             try {
                 Artifact testng = getTestNgArtifact();
                 if (testng != null) {
                     VersionRange range = VersionRange.createFromVersionSpec("[5.10,)");
                     if (!range.containsVersion(new DefaultArtifactVersion(testng.getVersion()))) {
                         throw new MojoFailureException(
                                 "Parameter \"skipAfterFailureCount\" expects TestNG Version 5.10 or higher. "
                                         + "java.lang.NoClassDefFoundError: org/testng/IInvokedMethodListener");
                     }
                 } else {
                     // TestNG is dependent on JUnit
                     Artifact junit = getJunitArtifact();
                     if (junit != null) {
                         VersionRange range = VersionRange.createFromVersionSpec("[4.0,)");
                         if (!range.containsVersion(new DefaultArtifactVersion(junit.getVersion()))) {
                             throw new MojoFailureException(
                                     "Parameter \"skipAfterFailureCount\" expects JUnit Version 4.0 or higher. "
                                             + "java.lang.NoSuchMethodError: "
                                             + "org.junit.runner.notification.RunNotifier.pleaseStop()V");
                         }
                     }
                 }
             } catch (MojoExecutionException e) {
                 throw new MojoFailureException(e.getLocalizedMessage());
             } catch (InvalidVersionSpecificationException e) {
                 throw new RuntimeException(e);
             }
         }
     }
 
     private void warnIfIllegalTempDir() throws MojoFailureException {
         if (isEmpty(getTempDir())) {
             throw new MojoFailureException("Parameter 'tempDir' should not be blank string.");
         }
     }
 
     protected void warnIfIllegalFailOnFlakeCount() throws MojoFailureException {}
 
     private void printDefaultSeedIfNecessary() {
         if (getRunOrder().equals(RunOrder.RANDOM.name())) {
             if (getRunOrderRandomSeed() == null) {
                 setRunOrderRandomSeed(System.nanoTime());
             }
             getConsoleLogger()
                     .info("Tests will run in random order. To reproduce ordering use flag -D" + getPluginName()
                             + ".runOrder.random.seed=" + getRunOrderRandomSeed());
         }
     }
 
     final class TestNgProviderInfo implements ProviderInfo {
         private final Artifact testNgArtifact;
 
         TestNgProviderInfo(Artifact testNgArtifact) {
             this.testNgArtifact = testNgArtifact;
         }
 
         @Override
         @Nonnull
         public String getProviderName() {
             return "org.apache.maven.surefire.testng.TestNGProvider";
         }
 
         @Override
         public boolean isApplicable() {
             return testNgArtifact != null;
         }
 
         @Override
         public void addProviderProperties() throws MojoExecutionException {
             convertTestNGParameters();
         }
 
         @Nonnull
         @Override
         public List<String[]> getJpmsArguments(@Nonnull ProviderRequirements forkRequirements) {
             return emptyList();
         }
 
         @Override
         @Nonnull
         public Set<Artifact> getProviderClasspath() throws MojoExecutionException {
             Artifact surefireArtifact = getBooterArtifact();
             String version = surefireArtifact.getBaseVersion();
             return surefireDependencyResolver.getProviderClasspath(
                     session.getRepositorySession(), project.getRemotePluginRepositories(), "surefire-testng", version);
         }
     }
 
     final class JUnit3ProviderInfo implements ProviderInfo {
         @Override
         @Nonnull
         public String getProviderName() {
             return "org.apache.maven.surefire.junit.JUnit3Provider";
         }
 
         @Override
         public boolean isApplicable() {
             return true;
         }
 
         @Override
         public void addProviderProperties() {}
 
         @Nonnull
         @Override
         public List<String[]> getJpmsArguments(@Nonnull ProviderRequirements forkRequirements) {
             return emptyList();
         }
 
         @Override
         @Nonnull
         public Set<Artifact> getProviderClasspath() throws MojoExecutionException {
             // add the JUnit provider as default - it doesn't require JUnit to be present,
             // since it supports POJO tests.
             String version = getBooterArtifact().getBaseVersion();
             return surefireDependencyResolver.getProviderClasspath(
                     session.getRepositorySession(), project.getRemotePluginRepositories(), "surefire-junit3", version);
         }
     }
 
     final class JUnit4ProviderInfo implements ProviderInfo {
         private final Artifact junitArtifact;
 
         private final Artifact junitDepArtifact;
 
         JUnit4ProviderInfo(Artifact junitArtifact, Artifact junitDepArtifact) {
             this.junitArtifact = junitArtifact;
             this.junitDepArtifact = junitDepArtifact;
         }
 
         @Override
         @Nonnull
         public String getProviderName() {
             return "org.apache.maven.surefire.junit4.JUnit4Provider";
         }
 
         @Override
         public boolean isApplicable() {
             return junitDepArtifact != null || isAnyJunit4(junitArtifact);
         }
 
         @Override
         public void addProviderProperties() {}
 
         @Nonnull
         @Override
         public List<String[]> getJpmsArguments(@Nonnull ProviderRequirements forkRequirements) {
             return emptyList();
         }
 
         @Override
         @Nonnull
         public Set<Artifact> getProviderClasspath() throws MojoExecutionException {
             String version = getBooterArtifact().getBaseVersion();
             return surefireDependencyResolver.getProviderClasspath(
                     session.getRepositorySession(), project.getRemotePluginRepositories(), "surefire-junit4", version);
         }
     }
 
     class JUnitPlatformProviderInfo implements ProviderInfo {
         private static final String PROVIDER_DEP_GID = "org.junit.platform";
         private static final String PROVIDER_DEP_AID = "junit-platform-launcher";
 
         private final Artifact junitPlatformRunnerArtifact;
         private final Artifact junitPlatformArtifact;
         private final TestClassPath testClasspath;
 
         JUnitPlatformProviderInfo(
                 Artifact junitPlatformRunnerArtifact,
                 Artifact junitPlatformArtifact,
                 @Nonnull TestClassPath testClasspath) {
             this.junitPlatformRunnerArtifact = junitPlatformRunnerArtifact;
             this.junitPlatformArtifact = junitPlatformArtifact;
             this.testClasspath = testClasspath;
         }
 
         @Override
         @Nonnull
         public String getProviderName() {
             return "org.apache.maven.surefire.junitplatform.JUnitPlatformProvider";
         }
 
         protected String getProviderArtifactName() {
             return "surefire-junit-platform";
         }
 
         @Override
         public boolean isApplicable() {
             return junitPlatformRunnerArtifact == null && junitPlatformArtifact != null;
         }
 
         @Override
         public void addProviderProperties() {
             convertGroupParameters();
             convertJunitEngineParameters();
         }
 
         @Nonnull
         @Override
         public List<String[]> getJpmsArguments(@Nonnull ProviderRequirements forkRequirements) {
             boolean hasTestDescriptor = forkRequirements.isModularPath() && forkRequirements.hasTestModuleDescriptor();
             return hasTestDescriptor ? getJpmsArgs() : Collections.<String[]>emptyList();
         }
 
         @Override
         @Nonnull
         public Set<Artifact> getProviderClasspath() throws MojoExecutionException {
             String surefireVersion = getBooterArtifact().getBaseVersion();
             Map<String, Artifact> providerArtifacts = surefireDependencyResolver.getProviderClasspathAsMap(
                     session.getRepositorySession(),
                     project.getRemotePluginRepositories(),
                     getProviderArtifactName(),
                     surefireVersion);
             Map<String, Artifact> testDeps = testClasspath.getTestDependencies();
 
             Plugin plugin = getPluginDescriptor().getPlugin();
             Map<String, Artifact> pluginDeps = surefireDependencyResolver.resolvePluginDependencies(
                     session.getRepositorySession(),
                     project.getRemotePluginRepositories(),
                     plugin,
                     getPluginArtifactMap());
 
             if (hasDependencyPlatformEngine(pluginDeps)) {
                 providerArtifacts.putAll(pluginDeps);
             } else {
                 String engineVersion = null;
                 if (hasDependencyJupiterAPI(testDeps)
                         && !testDeps.containsKey("org.junit.jupiter:junit-jupiter-engine")) {
                     String engineGroupId = "org.junit.jupiter";
                     String engineArtifactId = "junit-jupiter-engine";
                     String engineCoordinates = engineGroupId + ":" + engineArtifactId;
                     String api = "org.junit.jupiter:junit-jupiter-api";
                     engineVersion = testDeps.get(api).getBaseVersion();
                     getConsoleLogger()
                             .debug("Test dependencies contain " + api + ". Resolving " + engineCoordinates + ":"
                                     + engineVersion);
                     addEngineByApi(engineGroupId, engineArtifactId, engineVersion, providerArtifacts);
                 }
 
                 if ((testDeps.containsKey("junit:junit") || testDeps.containsKey("junit:junit-dep"))
                         && !testDeps.containsKey("org.junit.vintage:junit-vintage-engine")) {
                     String engineGroupId = "org.junit.vintage";
                     String engineArtifactId = "junit-vintage-engine";
                     String engineCoordinates = engineGroupId + ":" + engineArtifactId;
 
                     if (engineVersion != null) {
                         getConsoleLogger()
                                 .debug("Test dependencies contain JUnit4. Resolving " + engineCoordinates + ":"
                                         + engineVersion);
                         addEngineByApi(engineGroupId, engineArtifactId, engineVersion, providerArtifacts);
                     }
                 }
             }
 
             narrowDependencies(providerArtifacts, testDeps);
             alignProviderVersions(providerArtifacts);
 
             return new LinkedHashSet<>(providerArtifacts.values());
         }
 
         private List<String[]> getJpmsArgs() {
             List<String[]> args = new ArrayList<>();
 
             args.add(new String[] {
                 "--add-opens", "org.junit.platform.commons/org.junit.platform.commons.util=ALL-UNNAMED"
             });
 
             args.add(new String[] {
                 "--add-opens", "org.junit.platform.commons/org.junit.platform.commons.logging=ALL-UNNAMED"
             });
 
             return args;
         }
 
         private void addEngineByApi(
                 String engineGroupId,
                 String engineArtifactId,
                 String engineVersion,
                 Map<String, Artifact> providerArtifacts)
                 throws MojoExecutionException {
             for (Artifact dep : resolve(engineGroupId, engineArtifactId, engineVersion, null, "jar")) {
                 String key = dep.getGroupId() + ":" + dep.getArtifactId();
                 providerArtifacts.put(key, dep);
             }
         }
 
         private void narrowDependencies(
                 Map<String, Artifact> providerArtifacts, Map<String, Artifact> testDependencies) {
             providerArtifacts.keySet().removeAll(testDependencies.keySet());
         }
 
         protected void alignProviderVersions(Map<String, Artifact> providerArtifacts) throws MojoExecutionException {
             String version = junitPlatformArtifact.getBaseVersion();
             for (Artifact launcherArtifact : resolve(PROVIDER_DEP_GID, PROVIDER_DEP_AID, version, null, "jar")) {
                 String key = launcherArtifact.getGroupId() + ":" + launcherArtifact.getArtifactId();
                 if (providerArtifacts.containsKey(key)) {
                     providerArtifacts.put(key, launcherArtifact);
                 }
             }
         }
 
         private Set<Artifact> resolve(String g, String a, String v, String c, String t) throws MojoExecutionException {
             ArtifactHandler handler = junitPlatformArtifact.getArtifactHandler();
             Artifact artifact = new DefaultArtifact(g, a, v, null, t, c, handler);
             getConsoleLogger().debug("Resolving artifact " + g + ":" + a + ":" + v);
             Set<Artifact> r = surefireDependencyResolver.resolveArtifacts(
                     session.getRepositorySession(), project.getRemoteProjectRepositories(), artifact);
             getConsoleLogger().debug("Resolved artifact " + g + ":" + a + ":" + v + " to " + r);
             return r;
         }
 
         private boolean hasDependencyJupiterAPI(Map<String, Artifact> dependencies) {
             return dependencies.containsKey("org.junit.jupiter:junit-jupiter-api");
         }
 
         private boolean hasDependencyPlatformEngine(Map<String, Artifact> dependencies) {
             for (Entry<String, Artifact> dependency : dependencies.entrySet()) {
                 if (dependency.getKey().equals("org.junit.platform:junit-platform-engine")) {
                     return true;
                 }
             }
 
             return false;
         }
     }
 
     final class JUnitPlatformProviderShadefireInfo extends JUnitPlatformProviderInfo {
 
         JUnitPlatformProviderShadefireInfo(
                 Artifact junitPlatformRunnerArtifact,
                 Artifact junitPlatformArtifact,
                 @Nonnull TestClassPath testClasspath) {
             super(junitPlatformRunnerArtifact, junitPlatformArtifact, testClasspath);
         }
 
         @Override
         public boolean isApplicable() {
             // newer discover this provider automatically
             return false;
         }
 
         @Override
         @Nonnull
         public String getProviderName() {
             return "org.apache.maven.shadefire.surefire.junitplatform.JUnitPlatformProvider";
         }
 
         @Override
         protected String getProviderArtifactName() {
             return "surefire-shadefire";
         }
 
         @Override
         protected void alignProviderVersions(Map<String, Artifact> providerArtifacts) throws MojoExecutionException {
             // shadefire is used as booter we can not provide additional dependencies,
             // so we need add a launcher here
             providerArtifacts.put("org.junit.platform:junit-platform-launcher", null);
             super.alignProviderVersions(providerArtifacts);
         }
     }
 
     final class JUnitCoreProviderInfo implements ProviderInfo {
         private final Artifact junitArtifact;
 
         private final Artifact junitDepArtifact;
 
         JUnitCoreProviderInfo(Artifact junitArtifact, Artifact junitDepArtifact) {
             this.junitArtifact = junitArtifact;
             this.junitDepArtifact = junitDepArtifact;
         }
 
         @Override
         @Nonnull
         public String getProviderName() {
             return "org.apache.maven.surefire.junitcore.JUnitCoreProvider";
         }
 
         private boolean is47CompatibleJunitDep() {
             return isJunit47Compatible(junitDepArtifact);
         }
 
         @Override
         public boolean isApplicable() {
             final boolean isJunitArtifact47 = isAnyJunit4(junitArtifact) && isJunit47Compatible(junitArtifact);
             final boolean isAny47ProvidersForces = isAnyConcurrencySelected() || isAnyGroupsSelected();
             return isAny47ProvidersForces && (isJunitArtifact47 || is47CompatibleJunitDep());
         }
 
         @Override
         public void addProviderProperties() throws MojoExecutionException {
             convertJunitCoreParameters();
             convertGroupParameters();
             convertJunitEngineParameters();
         }
 
         @Nonnull
         @Override
         public List<String[]> getJpmsArguments(@Nonnull ProviderRequirements forkRequirements) {
             return emptyList();
         }
 
         @Override
         @Nonnull
         public Set<Artifact> getProviderClasspath() throws MojoExecutionException {
             String version = getBooterArtifact().getBaseVersion();
             return surefireDependencyResolver.getProviderClasspath(
                     session.getRepositorySession(), project.getRemotePluginRepositories(), "surefire-junit47", version);
         }
     }
 
     /**
      * Provides the Provider information for manually configured providers.
      */
     final class DynamicProviderInfo implements ConfigurableProviderInfo {
         final String providerName;
 
         DynamicProviderInfo(String providerName) {
             this.providerName = providerName;
         }
 
         @Override
         public ProviderInfo instantiate(String providerName) {
             return new DynamicProviderInfo(providerName);
         }
 
         @Override
         @Nonnull
         public String getProviderName() {
             return providerName;
         }
 
         @Override
         public boolean isApplicable() {
             return true;
         }
 
         @Override
         public void addProviderProperties() throws MojoExecutionException {
             // Ok this is a bit lazy.
             convertJunitCoreParameters();
             convertTestNGParameters();
         }
 
         @Nonnull
         @Override
         public List<String[]> getJpmsArguments(@Nonnull ProviderRequirements forkRequirements) {
             return emptyList();
         }
 
         @Override
         @Nonnull
         public Set<Artifact> getProviderClasspath() throws MojoExecutionException {
             Plugin plugin = getPluginDescriptor().getPlugin();
             Map<String, Artifact> providerArtifacts = surefireDependencyResolver.resolvePluginDependencies(
                     session.getRepositorySession(),
                     project.getRemotePluginRepositories(),
                     plugin,
                     getPluginArtifactMap());
             return new LinkedHashSet<>(providerArtifacts.values());
         }
     }
 
     File createSurefireBootDirectoryInBuild() {
         File tmp = new File(getProjectBuildDirectory(), getTempDir());
         //noinspection ResultOfMethodCallIgnored
         tmp.mkdirs();
         return tmp;
     }
 
     File createSurefireBootDirectoryInTemp() {
         try {
             return Files.createTempDirectory(getTempDir()).toFile();
         } catch (IOException e) {
             return createSurefireBootDirectoryInBuild();
         }
     }
 
     @Override
     public String getLocalRepositoryPath() {
         return Optional.ofNullable(
                         session.getRepositorySession().getLocalRepository().getBasedir())
                 .map(File::getAbsolutePath)
                 .orElse(".");
     }
 
     public Properties getSystemProperties() {
         return systemProperties;
     }
 
     @SuppressWarnings("UnusedDeclaration")
     public void setSystemProperties(Properties systemProperties) {
         this.systemProperties = systemProperties;
     }
 
     public Map<String, String> getSystemPropertyVariables() {
         return systemPropertyVariables;
     }
 
     @SuppressWarnings("UnusedDeclaration")
     public void setSystemPropertyVariables(Map<String, String> systemPropertyVariables) {
         this.systemPropertyVariables = systemPropertyVariables;
     }
 
     /**
      * List of System properties, loaded from a file, to pass to the JUnit tests.
      *
      * @since 2.8.2
      */
     public abstract File getSystemPropertiesFile();
 
     @SuppressWarnings("UnusedDeclaration")
     public abstract void setSystemPropertiesFile(File systemPropertiesFile);
 
     private Properties getProperties() {
         return properties;
     }
 
     public void setProperties(Properties properties) {
         this.properties = properties;
     }
 
     public Map<String, Artifact> getPluginArtifactMap() {
         return pluginArtifactMap;
     }
 
     @SuppressWarnings("UnusedDeclaration")
     public void setPluginArtifactMap(Map<String, Artifact> pluginArtifactMap) {
         this.pluginArtifactMap = pluginArtifactMap;
     }
 
     public Map<String, Artifact> getProjectArtifactMap() {
         return projectArtifactMap;
     }
 
     @SuppressWarnings("UnusedDeclaration")
     public void setProjectArtifactMap(Map<String, Artifact> projectArtifactMap) {
         this.projectArtifactMap = projectArtifactMap;
     }
 
     public String getReportNameSuffix() {
         return reportNameSuffix;
     }
 
     @SuppressWarnings("UnusedDeclaration")
     public void setReportNameSuffix(String reportNameSuffix) {
         this.reportNameSuffix = reportNameSuffix;
     }
 
     public boolean isRedirectTestOutputToFile() {
         return redirectTestOutputToFile;
     }
 
     @SuppressWarnings("UnusedDeclaration")
     public void setRedirectTestOutputToFile(boolean redirectTestOutputToFile) {
         this.redirectTestOutputToFile = redirectTestOutputToFile;
     }
 
     public boolean getFailIfNoTests() {
         return failIfNoTests;
     }
 
     public void setFailIfNoTests(boolean failIfNoTests) {
         this.failIfNoTests = failIfNoTests;
     }
 
     public String getJvm() {
         return jvm;
     }
 
     public String getArgLine() {
         return argLine;
     }
 
     @SuppressWarnings("UnusedDeclaration")
     public void setArgLine(String argLine) {
         this.argLine = argLine;
     }
 
     public Map<String, String> getEnvironmentVariables() {
         return environmentVariables;
     }
 
     @SuppressWarnings("UnusedDeclaration")
     public void setEnvironmentVariables(Map<String, String> environmentVariables) {
         this.environmentVariables = environmentVariables;
     }
 
     public File getWorkingDirectory() {
         return workingDirectory;
     }
 
     @SuppressWarnings("UnusedDeclaration")
     public void setWorkingDirectory(File workingDirectory) {
         this.workingDirectory = workingDirectory;
     }
 
     public boolean isChildDelegation() {
         return childDelegation;
     }
 
     @SuppressWarnings("UnusedDeclaration")
     public void setChildDelegation(boolean childDelegation) {
         this.childDelegation = childDelegation;
     }
 
     public String getGroups() {
         return groups;
     }
 
     @SuppressWarnings("UnusedDeclaration")
     public void setGroups(String groups) {
         this.groups = groups;
     }
 
     public String getExcludedGroups() {
         return excludedGroups;
     }
 
     @SuppressWarnings("UnusedDeclaration")
     public void setExcludedGroups(String excludedGroups) {
         this.excludedGroups = excludedGroups;
     }
 
     public String getJunitArtifactName() {
         return junitArtifactName;
     }
 
     @SuppressWarnings("UnusedDeclaration")
     public void setJunitArtifactName(String junitArtifactName) {
         this.junitArtifactName = junitArtifactName;
     }
 
     public String getTestNGArtifactName() {
         return testNGArtifactName;
     }
 
     @SuppressWarnings("UnusedDeclaration")
     public void setTestNGArtifactName(String testNGArtifactName) {
         this.testNGArtifactName = testNGArtifactName;
     }
 
     public int getThreadCount() {
         return threadCount;
     }
 
     @SuppressWarnings("UnusedDeclaration")
     public void setThreadCount(int threadCount) {
         this.threadCount = threadCount;
     }
 
     public boolean getPerCoreThreadCount() {
         return perCoreThreadCount;
     }
 
     @SuppressWarnings("UnusedDeclaration")
     public void setPerCoreThreadCount(boolean perCoreThreadCount) {
         this.perCoreThreadCount = perCoreThreadCount;
     }
 
     public boolean getUseUnlimitedThreads() {
         return useUnlimitedThreads;
     }
 
     @SuppressWarnings("UnusedDeclaration")
     public void setUseUnlimitedThreads(boolean useUnlimitedThreads) {
         this.useUnlimitedThreads = useUnlimitedThreads;
     }
 
     public String getParallel() {
         return parallel;
     }
 
     @SuppressWarnings("UnusedDeclaration")
     public void setParallel(String parallel) {
         this.parallel = parallel;
     }
 
     public boolean isParallelOptimized() {
         return parallelOptimized;
     }
 
     @SuppressWarnings("UnusedDeclaration")
     public void setParallelOptimized(boolean parallelOptimized) {
         this.parallelOptimized = parallelOptimized;
     }
 
     public int getThreadCountSuites() {
         return threadCountSuites;
     }
 
     public void setThreadCountSuites(int threadCountSuites) {
         this.threadCountSuites = threadCountSuites;
     }
 
     public int getThreadCountClasses() {
         return threadCountClasses;
     }
 
     public void setThreadCountClasses(int threadCountClasses) {
         this.threadCountClasses = threadCountClasses;
     }
 
     public int getThreadCountMethods() {
         return threadCountMethods;
     }
 
     public void setThreadCountMethods(int threadCountMethods) {
         this.threadCountMethods = threadCountMethods;
     }
 
     public boolean isTrimStackTrace() {
         return trimStackTrace;
     }
 
     @SuppressWarnings("UnusedDeclaration")
     public void setTrimStackTrace(boolean trimStackTrace) {
         this.trimStackTrace = trimStackTrace;
     }
 
     public boolean isEnableAssertions() {
         return enableAssertions;
     }
 
     public boolean effectiveIsEnableAssertions() {
         if (getArgLine() != null) {
             List<String> args = asList(getArgLine().split(" "));
             if (args.contains("-da") || args.contains("-disableassertions")) {
                 return false;
             }
         }
         return isEnableAssertions();
     }
 
     @SuppressWarnings("UnusedDeclaration")
     public void setEnableAssertions(boolean enableAssertions) {
         this.enableAssertions = enableAssertions;
     }
 
     public boolean isEnableOutErrElements() {
         return enableOutErrElements;
     }
 
     @SuppressWarnings("UnusedDeclaration")
     public void setEnableOutErrElements(boolean enableOutErrElements) {
         this.enableOutErrElements = enableOutErrElements;
     }
 
     public boolean isEnablePropertiesElement() {
         return enablePropertiesElement;
     }
 
     public boolean isReportTestTimestamp() {
         return reportTestTimestamp;
     }
 
     @SuppressWarnings("UnusedDeclaration")
     public void setEnablePropertiesElement(boolean enablePropertiesElement) {
         this.enablePropertiesElement = enablePropertiesElement;
     }
 
     public MavenSession getSession() {
         return session;
     }
 
     @SuppressWarnings("UnusedDeclaration")
     public void setSession(MavenSession session) {
         this.session = session;
     }
 
     public String getObjectFactory() {
         return objectFactory;
     }
 
     @SuppressWarnings("UnusedDeclaration")
     public void setObjectFactory(String objectFactory) {
         this.objectFactory = objectFactory;
     }
 
     public ToolchainManager getToolchainManager() {
         return toolchainManager;
     }
 
     @SuppressWarnings("UnusedDeclaration")
     public void setToolchainManager(ToolchainManager toolchainManager) {
         this.toolchainManager = toolchainManager;
     }
 
     public boolean isMavenParallel() {
         return parallelMavenExecution != null && parallelMavenExecution;
     }
 
     public String[] getDependenciesToScan() {
         return dependenciesToScan;
     }
 
     public void setDependenciesToScan(String[] dependenciesToScan) {
         this.dependenciesToScan = dependenciesToScan;
     }
 
     @SuppressWarnings("UnusedDeclaration")
     void setPluginDescriptor(PluginDescriptor pluginDescriptor) {
         this.pluginDescriptor = pluginDescriptor;
     }
 
     public PluginDescriptor getPluginDescriptor() {
         return pluginDescriptor;
     }
 
     public MavenProject getProject() {
         return project;
     }
 
     @SuppressWarnings("UnusedDeclaration")
     public void setProject(MavenProject project) {
         this.project = project;
     }
 
     @Override
     public File getTestSourceDirectory() {
         return testSourceDirectory;
     }
 
     @Override
     public void setTestSourceDirectory(File testSourceDirectory) {
         this.testSourceDirectory = testSourceDirectory;
     }
 
     public String getForkCount() {
         return forkCount;
     }
 
     public boolean isReuseForks() {
         return reuseForks;
     }
 
     public String[] getAdditionalClasspathElements() {
         return additionalClasspathElements;
     }
 
     public void setAdditionalClasspathElements(String[] additionalClasspathElements) {
         this.additionalClasspathElements = additionalClasspathElements;
     }
 
     public String[] getClasspathDependencyExcludes() {
         return classpathDependencyExcludes;
     }
 
     public void setClasspathDependencyExcludes(String[] classpathDependencyExcludes) {
         this.classpathDependencyExcludes = classpathDependencyExcludes;
     }
 
     public String getClasspathDependencyScopeExclude() {
         return classpathDependencyScopeExclude;
     }
 
     public void setClasspathDependencyScopeExclude(String classpathDependencyScopeExclude) {
         this.classpathDependencyScopeExclude = classpathDependencyScopeExclude;
     }
 
     public File getProjectBuildDirectory() {
         return projectBuildDirectory;
     }
 
     public void setProjectBuildDirectory(File projectBuildDirectory) {
         this.projectBuildDirectory = projectBuildDirectory;
     }
 
     protected void logDebugOrCliShowErrors(String s) {
         SurefireHelper.logDebugOrCliShowErrors(s, getConsoleLogger(), cli);
     }
 
     public Map<String, String> getJdkToolchain() {
         return jdkToolchain;
     }
 
     public void setJdkToolchain(Map<String, String> jdkToolchain) {
         this.jdkToolchain = jdkToolchain;
     }
 
     public String getTempDir() {
         return tempDir;
     }
 
     public void setTempDir(String tempDir) {
         this.tempDir = tempDir;
     }
 
     private static final class ClasspathCache {
         private final Map<String, Classpath> classpaths = new HashMap<>(4);
 
         private Classpath getCachedClassPath(@Nonnull String artifactId) {
             return classpaths.get(artifactId);
         }
 
         private void setCachedClasspath(@Nonnull String key, @Nonnull Classpath classpath) {
             classpaths.put(key, classpath);
         }
 
         private Classpath setCachedClasspath(@Nonnull String key, @Nonnull Set<Artifact> artifacts) {
             Collection<String> files = new ArrayList<>();
             for (Artifact artifact : artifacts) {
                 files.add(artifact.getFile().getAbsolutePath());
             }
             Classpath classpath = new Classpath(files);
             setCachedClasspath(key, classpath);
             return classpath;
         }
     }
 
     /**
      * Determines whether the plugin should fail if no tests found to run.
      */
     enum PluginFailureReason {
         NONE,
         COULD_NOT_RUN_SPECIFIED_TESTS,
         COULD_NOT_RUN_DEFAULT_TESTS,
     }
 }