result.addAll(pre);
                    }
                    result.add(entry.getValue());
                }
                result.addAll(pending);

                target.setPlugins(result);
            }
        }

        @Override
        protected void mergePlugin_Executions(
                Plugin target, Plugin source, boolean sourceDominant, Map<Object, Object> context) {

    }

    @Override
    public void configure(MavenProject project, MojoExecution mojoExecution, boolean allowPluginLevelConfig) {
        String g = mojoExecution.getPlugin().getGroupId();

        String a = mojoExecution.getPlugin().getArtifactId();

        Plugin plugin = findPlugin(g, a, project.getBuildPlugins());

        if (plugin == null && project.getPluginManagement() != null) {

 * expressions.
 *
 * @since 4.0.0
 */
@Experimental
public interface MojoExecution {

    @Nonnull
    Plugin getPlugin();

    @Nonnull
    PluginExecution getModel();

    @Nonnull
    MojoDescriptor getDescriptor();

    @Nonnull
    String getExecutionId();

    @Nonnull
    String getGoal();

        MojoDescriptor mojoDescriptor = execution.getMojoDescriptor();

        if (mojoDescriptor == null) {
            mojoDescriptor = pluginManager.getMojoDescriptor(
                    execution.getPlugin(),
                    execution.getGoal(),
                    project.getRemotePluginRepositories(),
                    session.getRepositorySession());

            execution.setMojoDescriptor(mojoDescriptor);

                        result.addAll(pre);
                    }
                    result.add(entry.getValue());
                }
                result.addAll(pending);

                target.setPlugins(result);
            }
        }

        @Override
        protected void mergePlugin(Plugin target, Plugin source, boolean sourceDominant, Map<Object, Object> context) {
            if (source.isInherited()) {

            recessivePlugins.forEach(p -> mergedPlugins.put(p.getPrefix(), p));
            plugins.forEach(p -> mergedPlugins.put(p.getPrefix(), p));
            metadata.setPlugins(new ArrayList<>(mergedPlugins.values()));
        }

        // just carry-on as-is
        if (recessive.getVersioning() != null) {
            metadata.setVersioning(recessive.getVersioning());
        }
    }

        return source;
    }

    public String getExecutionId() {
        return executionId;
    }

    public Plugin getPlugin() {
        if (mojoDescriptor != null) {
            return mojoDescriptor.getPluginDescriptor().getPlugin();
        }

        return plugin;
    }

    public MojoDescriptor getMojoDescriptor() {
        return mojoDescriptor;
    }

        }

        metadata.getVersioning().setSnapshotVersions(new ArrayList<>(versions.values()));

        // just carry-on as-is
        if (!recessive.getPlugins().isEmpty()) {
            metadata.setPlugins(new ArrayList<>(recessive.getPlugins()));
        }

        artifacts.clear();
    }

    private String getKey(String classifier, String extension) {
        return classifier + ':' + extension;
    }

        }

        metadata.getVersioning().setSnapshotVersions(new ArrayList<>(versions.values()));

        // just carry-on as-is
        if (!recessive.getPlugins().isEmpty()) {
            metadata.setPlugins(new ArrayList<>(recessive.getPlugins()));
        }
    }

    private static int getBuildNumber(Metadata metadata) {
        int number = 0;

        Versioning versioning = metadata.getVersioning();

                                .collect(Collectors.joining(System.lineSeparator() + "\t")),
                cause);
        this.plugin = plugin;
    }

    public Plugin getPlugin() {
        return plugin;
    }