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

    @Nonnull
    Plugin getPlugin();

    @Nonnull
    PluginExecution getModel();

    @Nonnull
    MojoDescriptor getDescriptor();

    @Nonnull
    String getExecutionId();

    @Nonnull
    String getGoal();

                        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()) {

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

    public Plugin getPlugin() {
        return plugin;
    }

            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());
        }
    }

                plugin.getVersion(),
                "maven-plugin",
                null,
                remoteRepositories,
                null);
        this.plugin = plugin;
    }

    public Plugin getPlugin() {
        return plugin;
    }

        }

        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();

                    merger.mergePlugin(plugin, first);
                }
                normalized.put(key, plugin);
            }

            if (plugins.size() != normalized.size()) {
                build.setPlugins(new ArrayList<>(normalized.values()));
            }
        }

        /*
         * NOTE: This is primarily to keep backward-compat with Maven 2.x which did not validate that dependencies are

            versioning.setVersions(new ArrayList<>(versions));
        }

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

    public Object getKey() {
        return getGroupId() + ':' + getArtifactId();
    }

    public static Object getKey(Artifact artifact) {

                            }
                        }
                    }
                }

                List<Plugin> result = new ArrayList<>(merged.values());

                target.setPlugins(result);
            }
        }

        @Override
        protected void mergePluginExecution(