import org.eclipse.aether.RepositoryCache;
import org.eclipse.aether.RepositorySystemSession;

/**
 * A model builder cache backed by the repository system cache.
 *
 * @deprecated since 4.0.0, use {@code maven-api-impl} jar instead
 */
@Deprecated(since = "4.0.0")
class DefaultModelCache implements ModelCache {

    private final RepositorySystemSession session;

    private final RepositoryCache cache;

    private Map<String, Profile> profilesById = new LinkedHashMap<>();

    private Properties requestProperties;

    /**
     * @deprecated without passing in the system properties, the SystemPropertiesProfileActivator will not work
     *             correctly in embedded environments.
     */
    @Deprecated
    public DefaultProfileManager(PlexusContainer container) {
        this(container, null);
    }

    /**

import org.apache.maven.model.building.ModelProblemCollector;

/**
 * Handles injection of plugin executions induced by the lifecycle bindings for a packaging.
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public interface LifecycleBindingsInjector {

    /**

import org.apache.maven.model.building.ModelBuildingRequest;
import org.apache.maven.model.building.ModelProblemCollector;

/**
 * Handles profile injection into the model.
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public interface ProfileInjector {

    /**
     * Merges values from the specified profile into the given model. Implementations are expected to keep the profile

 * under the License.
 */
package org.apache.maven.building;

import java.util.List;

/**
 * Collects problems that are encountered during settings building.
 *
 * @deprecated since 4.0.0, use {@link org.apache.maven.api.services} instead
 */
@Deprecated(since = "4.0.0")
public interface ProblemCollector {

    /**
     * Adds the specified problem.
     * Either message or exception is required
     *

import org.apache.maven.metadata.v4.MetadataStaxWriter;

/**
 * Provide public methods from {@link MetadataStaxWriter}
 *
 * @deprecated Maven 3 compatability - please use {@link MetadataStaxWriter}
 */
@Deprecated
public class MetadataXpp3Writer {

    private final MetadataStaxWriter delegate;

    /**
     * Default constructor
     */
    public MetadataXpp3Writer() {

 * </ol>
 *
 * @since 2.0.9
 * @see ToolchainManager#getToolchainFromBuildContext(String, MavenSession)
 * @deprecated Use {@link org.apache.maven.api.services.ToolchainManager} instead.
 */
@Deprecated(since = "4.0.0")
public interface ToolchainManagerPrivate {

    /**
     * Retrieves every toolchains of given type available in user settings.
     *

import org.apache.maven.utils.Os;
import org.slf4j.Logger;

/**
 * JDK toolchain implementation.
 *
 * @since 2.0.9, renamed from DefaultJavaToolChain in 3.2.4
 * @deprecated Use {@link org.apache.maven.api.services.ToolchainFactory} instead.
 */
@Deprecated(since = "4.0.0")
public class JavaToolchainImpl extends DefaultToolchain implements JavaToolchain {
    private String javaHome;

import java.io.StringWriter;
import java.util.ArrayList;
import java.util.List;

import org.apache.maven.building.Problem;

/**
 * @since 3.3.0
 * @deprecated since 4.0.0, use {@code org.apache.maven.api.services.ToolchainsBuilder} instead
 */
@Deprecated(since = "4.0.0")
public class ToolchainsBuildingException extends Exception {

    private final List<Problem> problems;

    /**

import org.apache.maven.building.Source;

/**
 * Collects toolchains that control the building of effective toolchains.
 *
 * @since 3.3.0
 * @deprecated since 4.0.0, use {@code org.apache.maven.api.services.ToolchainsBuilder} instead
 */
@Deprecated(since = "4.0.0")
public interface ToolchainsBuildingRequest {

    /**
     * Gets the global toolchains source.
     *