import org.apache.maven.api.Toolchain;
import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Nonnull;

/**
 * Service to manage {@link Toolchain}s.
 *
 * @since 4.0.0
 */
@Experimental
public interface ToolchainManager extends Service {

    /**
     *
     * @param session
     * @param type
     * @param requirements
     * @return the selected {@link Toolchain}s

 * <p>
 * This implementation is backed by Maven Resolver API, supported protocols and transport selection depends on it. If
 * resolver preference regarding transport is altered, it will affect this service as well.
 *
 * @since 4.0.0
 */
@Experimental
@Consumer
public interface TransportProvider extends Service {
    /**
     * Provides new {@link Transport} instance for given {@link RemoteRepository}, if possible.
     *

import org.apache.maven.api.annotations.Consumer;
import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Nonnull;

/**
 * Resolves artifact meta/pseudo versions.
 *
 * @since 4.0.0
 */
@Experimental
@Consumer
public interface VersionResolver extends Service {

    /**
     * Resolves an artifact's meta version (if any) to a concrete version.

/**
 * A conflict resolver factory that obtains instances from a plexus container.
 *
 * TODO you don't need the container in here with the active maps (jvz).
 * @since 3.0
 */
@Named
@Singleton
@Deprecated
public class DefaultConflictResolverFactory implements ConflictResolverFactory, Contextualizable {
    // fields -----------------------------------------------------------------

import java.util.Map;
import java.util.Properties;
import java.util.TimeZone;

/**
 * MavenBuildTimestamp
 *
 * @deprecated use {@link org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public class MavenBuildTimestamp {
    // ISO 8601-compliant timestamp for machine readability
    public static final String DEFAULT_BUILD_TIMESTAMP_FORMAT = "yyyy-MM-dd'T'HH:mm:ss'Z'";

 * wraps that source with a {@link PrefixedValueSourceWrapper} instance, to which
 * this class delegates all of its calls.
 *
 * @deprecated use {@link org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public class PrefixedObjectValueSource extends AbstractDelegatingValueSource implements QueryEnabledValueSource {

    /**
     * Wrap the specified root object, allowing the specified expression prefix.

/**
 * Wraps another value source and intercepts interpolated expressions, checking for problems.
 *
 * @deprecated use {@link org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
class ProblemDetectingValueSource implements ValueSource {

    private final ValueSource valueSource;

    private final String bannedPrefix;

    private final String newPrefix;

/**
 * Handles expansion of general build plugin configuration into individual executions.
 *
 * @deprecated use {@link org.apache.maven.api.services.ModelBuilder} instead
 */
@Named
@Singleton
@Deprecated(since = "4.0.0")
public class DefaultPluginConfigurationExpander implements PluginConfigurationExpander {

    @Override

/**
 * Determines profile activation based on the project's packaging.
 *
 * @deprecated use {@link org.apache.maven.api.services.ModelBuilder} instead
 */
@Named("packaging")
@Singleton
@Deprecated(since = "4.0.0")
public class PackagingProfileActivator implements ProfileActivator {

    @Override
    public boolean isActive(

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

/**
 * Signals an error when adding a repository to the model resolver.
 *
 * @deprecated use {@link org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public class InvalidRepositoryException extends Exception {

    /**
     * The repository that raised this error, can be {@code null}.
     */
    private Repository repository;

    /**