*/
    private static final Map<String, Model> SUPER_MODELS = new ConcurrentHashMap<>();

    @Inject
    public DefaultSuperPomProvider(ModelProcessor modelProcessor) {
        this.modelProcessor = modelProcessor;
    }

    @Override
    public Model getSuperPom(String version) {
        return SUPER_MODELS.computeIfAbsent(Objects.requireNonNull(version), v -> readModel(version, v));
    }

import org.apache.maven.api.Artifact;
import org.apache.maven.api.Dependency;
import org.apache.maven.api.MojoExecution;
import org.apache.maven.api.Node;
import org.apache.maven.api.Plugin;
import org.apache.maven.api.model.PluginExecution;
import org.apache.maven.api.plugin.descriptor.MojoDescriptor;
import org.apache.maven.api.plugin.descriptor.PluginDescriptor;
import org.apache.maven.api.plugin.descriptor.lifecycle.Lifecycle;

import org.apache.maven.artifact.versioning.VersionRange;
import org.apache.maven.bridge.MavenRepositorySystem;
import org.apache.maven.model.Dependency;
import org.apache.maven.model.Plugin;
import org.apache.maven.model.Repository;
import org.apache.maven.model.io.ModelReader;
import org.apache.maven.project.artifact.ArtifactWithDependencies;
import org.apache.maven.settings.Mirror;
import org.apache.maven.settings.Proxy;

import java.util.stream.Collectors;
import java.util.stream.Stream;

import org.apache.maven.api.di.Named;
import org.apache.maven.api.di.Priority;
import org.apache.maven.api.di.Singleton;
import org.apache.maven.api.model.Model;
import org.apache.maven.internal.impl.resolver.MavenArtifactRelocationSource;
import org.apache.maven.internal.impl.resolver.RelocatedArtifact;
import org.eclipse.aether.RepositorySystemSession;

"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied.  See the License for the
specific language governing permissions and limitations
under the License.
-->

<model xmlns="http://codehaus-plexus.github.io/MODELLO/2.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

 * under the License.
 */
package org.apache.maven.internal.impl.model;

import java.nio.file.Path;

import org.apache.maven.api.di.Inject;
import org.apache.maven.api.di.Named;
import org.apache.maven.api.di.Singleton;
import org.apache.maven.api.model.ActivationFile;
import org.apache.maven.api.services.model.PathTranslator;
import org.apache.maven.api.services.model.ProfileActivationContext;

import java.util.List;

import org.apache.maven.api.model.InputLocation;

/**
 * Collects problems that are encountered during model building. The primary purpose of this component is to account for
 * the fact that the problem reporter has/should not have information about the calling context and hence cannot provide
 * an expressive source hint for the model problem. Instead, the source hint is configured by the model builder before

            for (ToolchainModel model : toolchains.getToolchains()) {
                if (!groupedToolchains.containsKey(model.getType())) {
                    groupedToolchains.put(model.getType(), new ArrayList<>());
                }

                groupedToolchains.get(model.getType()).add(model);
            }

            request.setToolchains(groupedToolchains);
        }

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.toolchain;

import java.io.File;

import org.apache.maven.toolchain.model.PersistedToolchains;

/**
 * Builds the toolchains model from a previously configured filesystem path to the toolchains file.
 * <strong>Note:</strong> This is an internal component whose interface can change without prior notice.
 *

import org.apache.maven.execution.MavenSession;
import org.apache.maven.internal.impl.*;
import org.apache.maven.model.Build;
import org.apache.maven.model.Model;
import org.apache.maven.model.building.DefaultModelBuildingRequest;
import org.apache.maven.model.interpolation.reflection.IntrospectionException;
import org.apache.maven.model.root.RootLocator;
import org.apache.maven.plugin.descriptor.MojoDescriptor;