/**
     *
     * @param model the model, must not be {@code null}
     * @param logger the logger, must not be {@code null}
     */
    protected DefaultToolchain(ToolchainModel model, Logger logger) {
        this.model = model;
        this.logger = logger;
    }

    /**
     *
     * @param model the model, must not be {@code null}
     * @param type the type

                            "anyOf": [{"type": "string"}, {"type": "null"}],
                        },
                        "price": {"title": "Price", "type": "number"},
                        "tax": {
                            "title": "Tax",
                            "anyOf": [{"type": "number"}, {"type": "null"}],
                        },
                    },
                },

            throw new XmlPullParserException(e.getMessage(), null, e);
        }
    }

    public Settings read(InputStream in, boolean strict) throws IOException, XmlPullParserException {
        try {
            return new Settings(delegate.read(in, strict, null));
        } catch (XMLStreamException e) {
            throw new XmlPullParserException(e.getMessage(), null, e);
        }
    }

     *
     * @param request The execution request to populate, must not be {@code null}.
     * @param toolchains The toolchains to copy into the execution request, may be {@code null}.
     * @return The populated execution request, never {@code null}.
     * @throws MavenExecutionRequestPopulationException If the execution request could not be populated.
     * @since 3.3.0
     */

                "anyOf": [
                    {
                        "type": "array",
                        "items": {"type": "string", "format": "binary"},
                    },
                    {"type": "null"},
                ],
                "title": "P",
            }
        },
        "title": body_model_name,
        "type": "object",
    }


@pytest.mark.parametrize(
    "path",
    [

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

        Objects.requireNonNull(model, "model cannot be null");

        try (Writer out = output) {
            new MavenXpp3Writer().write(out, model);
        }
    }

    @Override
    public void write(OutputStream output, Map<String, Object> options, Model model) throws IOException {
        Objects.requireNonNull(output, "output cannot be null");

        server.setUsername("jason");
        server.setPassword("abc123");

        ArtifactRepository repository =
                repositorySystem.createArtifactRepository("repository", "http://foo", null, null, null);
        repositorySystem.injectAuthentication(Arrays.asList(repository), Arrays.asList(server));
        Authentication authentication = repository.getAuthentication();
        assertNotNull(authentication);

            }
        }
    }

    public ArtifactHandler getArtifactHandler(String type) {
        requireNonNull(type, "null type");
        ArtifactHandler handler = allHandlers.get(type);
        if (handler == null) {
            handler = artifactHandlers.get(type);
            if (handler == null) {
                handler = new DefaultArtifactHandler(type);
            } else {
                allHandlers.put(type, handler);

        if (existing != null) {
            logger.warn("Overriding profile: '" + profileId + "' (source: " + existing.getSource()
                    + ") with new instance from source: " + profile.getSource());
        }

        profilesById.put(profile.getId(), profile);

        Activation activation = profile.getActivation();

        if (activation != null && activation.isActiveByDefault()) {