projects.add(pluginProjectA);
        pluginProjectA.getModel().getBuild().addPlugin(createPlugin("group", "plugin-b", "1.0"));

        MavenProject pluginProjectB = createProject("group", "plugin-b", "2.0-SNAPSHOT");
        projects.add(pluginProjectB);
        pluginProjectB.getModel().getBuild().addPlugin(createPlugin("group", "plugin-a", "1.0"));

        originalPlugin.setGroupId("org.apache.maven.plugins");
        originalPlugin.setArtifactId("maven-compiler-plugin");
        originalPlugin.setVersion("3.8.1");
        build.addPlugin(originalPlugin);

        MavenProject project = new MavenProject(model);

        // Get the plugin using getPlugin() method

        if (!found) {
            Plugin plugin = new Plugin();
            plugin.setPrefix(goalPrefix);
            plugin.setArtifactId(artifactId);
            plugin.setName(name);

            getMetadata().addPlugin(plugin);
        }
    }

    @Override
    public Object getKey() {
        return groupId;
    }

    @Override
    public boolean isSnapshot() {
        return false;
    }

            }

            project.getDependencies().add(d);

            return this;
        }

        // Plugins
        //
        public ProjectBuilder addPlugin(Plugin plugin) {
            project.getBuildPlugins().add(plugin);
            return this;
        }

        public MavenProject get() {
            return project;
        }
    }

            if (pluginManagement == null) {
                pluginManagement = new PluginManagement();
                build.setPluginManagement(pluginManagement);
            }
            pluginManagement.addPlugin(sitePlugin);
        }

        Xpp3Dom configuration = (Xpp3Dom) sitePlugin.getConfiguration();

        if (configuration == null) {
            configuration = new Xpp3Dom("configuration", location);

            }

            project.getDependencies().add(d);

            return this;
        }

        // Plugins
        //
        public ProjectBuilder addPlugin(Plugin plugin) {
            project.getBuildPlugins().add(plugin);
            return this;
        }

        public MavenProject get() {
            return project;
        }
    }

                mappedPlugin.setArtifactId( plugin.getArtifactId() );

                mappedPlugin.setPrefix( plugin.getPrefix() );

                mappedPlugin.setName( plugin.getName() );

                addPlugin( mappedPlugin );

                changed = true;
            }
        }

        Versioning versioning = sourceMetadata.getVersioning();
        if ( versioning != null )
        {