return Optional.empty();
                }
            }
        }
        if (classes & modules) {
            selected = getPathType(path);
        }
        return Optional.ofNullable(selected);
    }

        return Objects.equals(p, packaging);
    }

    private static Optional<String> getActivationPackaging(Profile profile) {
        return Optional.ofNullable(profile).map(Profile::getActivation).map(Activation::getPackaging);
    }

        LifecycleMojo lifecycleMojo = new LifecycleMojo();
        lifecycleMojo.setGoal(s.trim());
        return lifecycleMojo;
    };

    @Override
    public String toString() {
        return Optional.ofNullable(getMojos()).orElse(Collections.emptyList()).stream()
                .map(LifecycleMojo::getGoal)
                .collect(Collectors.joining(","));
    }

    @Deprecated

            throws ToolchainManagerException {
        MavenSession s = InternalMavenSession.from(session).getMavenSession();
        return Optional.ofNullable(toolchainManagerPrivate.getToolchainFromBuildContext(type, s))
                .map(this::toToolchain);
    }

    @Override

                    .collect(Collectors.toUnmodifiableMap(t -> t.id().toLowerCase(Locale.ROOT), t -> t));
        }

        @Override
        public Optional<T> lookup(String id) {
            return Optional.ofNullable(values.get(nonNull(id, "id").toLowerCase(Locale.ROOT)));
        }
    }

        if (artifact == null) {
            return null;
        }

        Artifact result = toArtifact(artifact);

        List<Exclusion> excl = Optional.ofNullable(exclusions).orElse(Collections.emptyList()).stream()
                .map(RepositoryUtils::toExclusion)
                .collect(Collectors.toList());

        }
        Path path = paths.get(id);
        if (path == null && artifact instanceof DefaultArtifact) {
            path = ((DefaultArtifact) artifact).getArtifact().getPath();
        }
        return Optional.ofNullable(path);
    }

    @Override
    public void setPath(@Nonnull Artifact artifact, Path path) {
        String id = id(nonNull(artifact, "artifact"));
        if (session.getMavenSession().getAllProjects() != null) {

    }

    public OptionalEntity<WebConfig> getWebConfig() {
        return OptionalUtil.ofNullable(webConfig);
    }

    public OptionalEntity<FileConfig> getFileConfig() {
        return OptionalUtil.ofNullable(fileConfig);
    }

    public LabelType[] getLabelTypes() {
        return labelList.toArray(new LabelType[labelList.size()]);
    }

    @Override
    public Model getRawModel() {
        return rawModels.get(modelIds.get(0));
    }

    @Override
    public Optional<Model> getRawModel(String modelId) {
        return Optional.ofNullable(rawModels.get(modelId));
    }

    public DefaultModelBuilderResult setRawModel(String modelId, Model rawModel) {
        // Intentionally notNull because Super POM may not contain a modelId

                    return Optional.empty();
                }
            }
        }
        if (classes & modules) {
            selected = getPathType(path);
        }
        return Optional.ofNullable(selected);
    }