plugin.setArtifactId(gs.artifactId);
                plugin.setVersion(gs.version);

                plugin.setLocation("", location);
                plugin.setLocation("groupId", location);
                plugin.setLocation("artifactId", location);
                plugin.setLocation("version", location);

                Plugin existing = plugins.get(plugin);
                if (existing != null) {

        if (defaultPlugins == null) {
            problems.add(new ModelProblemCollectorRequest(Severity.ERROR, Version.BASE)
                    .setMessage("Unknown packaging: " + packaging)
                    .setLocation(model.getLocation("packaging")));
        } else if (!defaultPlugins.isEmpty()) {
            List<Plugin> plugins = defaultPlugins.stream()
                    .map(org.apache.maven.model.Plugin::getDelegate)

        defaultBindings.setModelId(DefaultLifecyclePluginAnalyzer.DEFAULTLIFECYCLEBINDINGS_MODELID);

        final Plugin plugin = mojoDescriptor.getPluginDescriptor().getPlugin();
        plugin.setLocation("version", new InputLocation(12, 34, defaultBindings));
        MojoExecution result = new MojoExecution(plugin, goal, executionId);
        result.setConfiguration(new XmlNodeImpl(executionId + "-" + goal));

                        .location("arch", toLocation(settingsOs.getLocation("arch")))
                        .location("family", toLocation(settingsOs.getLocation("family")))
                        .location("name", toLocation(settingsOs.getLocation("name")))
                        .location("version", toLocation(settingsOs.getLocation("version")))
                        .build());
            }

                        .location("arch", toLocation(settingsOs.getLocation("arch")))
                        .location("family", toLocation(settingsOs.getLocation("family")))
                        .location("name", toLocation(settingsOs.getLocation("name")))
                        .location("version", toLocation(settingsOs.getLocation("version")))
                        .build());
            }

                                    .location(settingsSource.getLocation())
                                    .strict(false)
                                    .build());
                    Location loc = e.getCause() instanceof XMLStreamException xe ? xe.getLocation() : null;
                    problems.add(new DefaultBuilderProblem(
                            settingsSource.getLocation(),

                builder.url(src);
                builder.location("url", source.getLocation("url"));
            } else if (target.getUrl() == null) {
                builder.url(extrapolateChildUrl(src, source.isChildProjectUrlInheritAppendPath(), context));
                builder.location("url", source.getLocation("url"));
            }
        }
    }

    /*

        }
        try {
            InputSource source = null;
            if (request.getModelId() != null || request.getLocation() != null) {
                source = new InputSource(request.getLocation());
            }
            SettingsStaxReader xml = new SettingsStaxReader();
            xml.setAddDefaultEntities(request.isAddDefaultEntities());
            if (reader != null) {

        assertEquals("", problem.getLocation());

        problem = new DefaultProblem(null, null, "SOURCE", -1, -1, null);
        assertEquals("SOURCE", problem.getLocation());

        problem = new DefaultProblem(null, null, null, 42, -1, null);
        assertEquals("line 42", problem.getLocation());

        problem = new DefaultProblem(null, null, null, -1, 127, null);

import org.apache.maven.plugin.descriptor.io.PluginDescriptorStaxReader;
import org.apache.maven.plugin.descriptor.io.PluginDescriptorStaxWriter;

import static org.apache.maven.internal.impl.StaxLocation.getLocation;
import static org.apache.maven.internal.impl.StaxLocation.getMessage;
import static org.apache.maven.internal.impl.Utils.nonNull;

@Named
@Singleton
public class DefaultPluginXmlFactory implements PluginXmlFactory {