Plugin plugin = new Plugin();
        plugin.setGroupId("org.apache.maven.test.MavenExecutionPlan");
        plugin.setArtifactId("stub-plugin-" + phaseName);
        descriptor.setPlugin(plugin);
        descriptor.setArtifactId("artifact." + phaseName);
        mojoDescriptor.setPluginDescriptor(descriptor);
        mojoDescriptor.setThreadSafe(threadSafe);
        return mojoDescriptor;
    }

    }

    public String getRequiredJavaVersion() {
        return requiredJavaVersion;
    }

    public void setPlugin(Plugin plugin) {
        this.plugin = plugin;
    }

    public Plugin getPlugin() {
        return plugin;
    }

    public Artifact getPluginArtifact() {
        return pluginArtifact;
    }

                descriptor.setRequiredMavenVersion(artifact.getProperty("requiredMavenVersion", null));
            }

            return descriptor;
        });

        pluginDescriptor.setPlugin(plugin);

        return pluginDescriptor;
    }

    private PluginDescriptor extractPluginDescriptor(Artifact pluginArtifact, Plugin plugin)

                new PluginParameterExpressionEvaluatorV4(session, null, exec).evaluate("${mojo.plugin.descriptor}");

        System.out.println("Result: " + result);

        assertSame(
                exec.getPlugin().getDescriptor(),
                result,
                "${mojo.plugin.descriptor} expression does not return plugin descriptor.");
    }

    @Test

        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()) {

        return false;
    }

    private String pluginDeclaration(MavenSession mavenSession, MojoDescriptor mojoDescriptor) {
        InputLocation inputLocation =
                mojoDescriptor.getPluginDescriptor().getPlugin().getLocation("");
        if (inputLocation != null && inputLocation.getSource() != null) {
            StringBuilder stringBuilder = new StringBuilder();
            stringBuilder.append(inputLocation.getSource().getModelId());

        final String defaulModelId = DefaultLifecycleRegistry.DEFAULT_LIFECYCLE_MODELID;

        List<String> unversionedPlugins = executionPlan.getMojoExecutions().stream()
                .map(MojoExecution::getPlugin)
                .filter(p -> p.getLocation("version") != null
                        && p.getLocation("version").getSource() != null
                        && defaulModelId.equals(