} catch (Exception | LinkageError e) {
                logError("close", e, eventSpy);
            }
        }
    }

    private void logError(String action, Throwable e, EventSpy spy) {
        String msg = "Failed to " + action + " spy " + spy.getClass().getName() + ": " + e.getMessage();

        if (logger.isDebugEnabled()) {
            logger.warn(msg, e);
        } else {
            logger.warn(msg);

/**
 * Handles deserialization of metadata from some kind of textual format like XML.
 *
 */
public interface MetadataReader {

    /**
     * The key for the option to enable strict parsing. This option is of type {@link Boolean} and defaults to {@code
     * true}. If {@code false}, unknown elements will be ignored instead of causing a failure.
     */

    public static Artifact copyArtifact(Artifact artifact) {
        VersionRange range = artifact.getVersionRange();

        // For some reason with the introduction of MNG-1577 we have the case in Yoko where a depMan section has
        // something like the following:
        //
        // <dependencyManagement>
        //     <dependencies>
        //         <!--  Yoko modules -->
        //         <dependency>

public interface DependencyManagementImporter {

    /**
     * Imports the specified dependency management sections into the given target model.
     *
     * @param target The model into which to import the dependency management section, must not be <code>null</code>.
     * @param sources The dependency management sections to import, may be <code>null</code>.
     * @param request The model building request that holds further settings, must not be {@code null}.

 * of the execution plan instead, which seems much nicer.
 * </p>
 * <p>
 * Additionally this class contains a clone of the MavenSession, which is *only* needed
 * because it has as notion of a "current" project.
 * </p>
 * <strong>NOTE:</strong> This class is not part of any public api and can be changed or deleted without prior notice.
 *
 * @since 3.0
 */
public final class ProjectSegment {

     * want the user to modify <code>&lt;build&gt;&lt;finalName/&gt;&lt;/build&gt;</code> rather than specifying a value
     * for finalName directly in the plugin configuration section. It is also useful to ensure that - for example - a
     * List-typed parameter which expects items of type Artifact doesn't get a List full of Strings.
     *

     * Otherwise, if the main artifact is placed on the module-path ({@value #JAR} or {@value #MODULAR_JAR} types),
     * then the test artifact will be added using {@code --patch-module} option.
     */
    String TEST_JAR = "test-jar";

    /**
     * Returns the dependency type id.
     * The id uniquely identifies this <i>dependency type</i>.
     *

 *
 */
public interface PluginManagementInjector {

    /**
     * Merges default values from the plugin management section of the given model into itself.
     *
     * @param model The model into which to merge the values specified by its plugin management section, must not be
     *            <code>null</code>.
     * @param request The model building request that holds further settings, must not be {@code null}.

                                        + toString(present) + ".  Add a the conflicting managed dependency directly "
                                        + "to the dependencyManagement section of the POM.");
                    }
                }
            }

            return target.withDependencyManagement(depMgmt.withDependencies(dependencies.values()));
        }
        return target;
    }

     * injection of plugin management so any plugins that are injected by lifecycle bindings and are not already present
     * in the model's plugin section need to be subjected to the model's plugin management.
     *
     * @param model The model into which to inject the default plugin executions for its packaging, must not be
     *            <code>null</code>.