* the exact versions of tools they wish to use.</p>
 *
 * <p>
 * Toolchains can be obtained through the {@link org.apache.maven.api.services.ToolchainManager ToolchainManager}
 * service. This service provides methods to retrieve and manage toolchains defined
 * in the Maven configuration.
 * </p>
 *
 * <p>

import org.apache.maven.api.model.Plugin;
import org.apache.maven.api.model.PluginContainer;
import org.apache.maven.api.model.PluginExecution;
import org.apache.maven.api.services.Lookup;
import org.apache.maven.api.services.PackagingRegistry;
import org.apache.maven.api.services.TypeRegistry;
import org.apache.maven.api.spi.PackagingProvider;
import org.apache.maven.impl.ExtensibleEnumRegistries;

import java.io.InputStream;
import java.io.Writer;
import java.nio.file.Files;
import java.nio.file.Path;

import org.apache.maven.api.model.Model;
import org.apache.maven.api.services.ModelBuilderException;
import org.apache.maven.api.services.ModelSource;
import org.apache.maven.internal.transformation.PomArtifactTransformer;
import org.apache.maven.model.v4.MavenStaxReader;
import org.apache.maven.model.v4.MavenStaxWriter;

 * under the License.
 */
package org.apache.maven.api.cache;

import java.util.List;

import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.services.Request;
import org.apache.maven.api.services.Result;

/**
 * Exception thrown when a batch request operation fails. This exception contains the results
 * of all requests that were attempted, including both successful and failed operations.

    /**
     * Notifies the spy of some build event/operation.
     *
     * @param event The event, never {@code null}.
     * @see org.apache.maven.api.services.SettingsBuilderRequest
     * @see org.apache.maven.api.services.SettingsBuilderResult
     * @see org.apache.maven.execution.MavenExecutionRequest
     * @see org.apache.maven.execution.MavenExecutionResult

     * {@link org.apache.maven.api.services.BuilderProblem.Severity#ERROR}.
     */
    default boolean hasErrorProblems() {
        return hasProblemsFor(BuilderProblem.Severity.ERROR);
    }

    /**
     * Returns {@code true} if there is at least one problem collected with severity equal or more severe than
     * {@link org.apache.maven.api.services.BuilderProblem.Severity#FATAL}.
     */

import org.apache.maven.api.Version;
import org.apache.maven.api.annotations.Nonnull;
import org.apache.maven.api.annotations.Nullable;
import org.apache.maven.api.services.Lookup;
import org.apache.maven.api.services.LookupException;
import org.apache.maven.api.services.MavenException;
import org.apache.maven.api.settings.Settings;
import org.apache.maven.api.toolchain.ToolchainModel;

import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;

import java.io.File;
import java.util.Collections;

import org.apache.maven.api.services.ModelBuilder;
import org.apache.maven.api.services.model.LifecycleBindingsInjector;
import org.apache.maven.bridge.MavenRepositorySystem;
import org.apache.maven.model.root.RootLocator;
import org.eclipse.aether.RepositorySystem;

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

import java.util.List;

import org.apache.maven.api.Service;
import org.apache.maven.api.model.Model;

public interface ModelBuilder extends Service {

    String MODEL_VERSION_4_0_0 = "4.0.0";

    String MODEL_VERSION_4_1_0 = "4.1.0";

    String MODEL_VERSION_4_2_0 = "4.2.0";

import java.io.PrintWriter;
import java.time.Duration;
import java.util.concurrent.TimeUnit;

import org.apache.maven.api.MonotonicClock;
import org.apache.maven.api.services.MessageBuilder;
import org.apache.maven.api.services.MessageBuilderFactory;
import org.eclipse.aether.transfer.AbstractTransferListener;
import org.eclipse.aether.transfer.TransferCancelledException;
import org.eclipse.aether.transfer.TransferEvent;