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);
    }

    /**

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

import java.util.List;

import org.apache.maven.model.Plugin;
import org.apache.maven.model.PluginContainer;

/** @deprecated */
@Deprecated
public final class ModelUtils {

    /**
     * This should be the resulting ordering of plugins after merging:
     * <p>
     * Given:
     * <pre>
     * parent: X -&gt; A -&gt; B -&gt; D -&gt; E

import java.io.InputStream;

/**
 * Provides access to the contents of a source independently of the backing store (e.g. file system, database, memory).
 *
 * @deprecated since 4.0.0, use {@link org.apache.maven.api.services} instead
 */
@Deprecated(since = "4.0.0")
public interface Source {

    /**
     * Gets a byte stream to the source contents. Closing the returned stream is the responsibility of the caller.
     *

/**
 * Default abstract toolchain implementation, to be used as base class for any toolchain implementation
 * to avoid rewriting usual code.
 *
 * @since 2.0.9
 * @deprecated Use {@link org.apache.maven.api.Toolchain} instead.
 */
@Deprecated(since = "4.0.0")
public abstract class DefaultToolchain // should have been AbstractToolchain...
implements Toolchain, ToolchainPrivate {
    private final Logger logger;

 * </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;

 * 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
     *

### **Deprecated metrics monitoring**

        setId_Terms(idList, opLambda);
    }

    @Deprecated
    public BsUserInfoCQ addOrderBy_Id_Asc() {
        regOBA("_id");
        return this;
    }

    @Deprecated
    public BsUserInfoCQ addOrderBy_Id_Desc() {
        regOBD("_id");
        return this;
    }

   * </ul>
   *
   * <p>This assumes that any non-null objects passed to this function conform to the {@code
   * equals()} contract.
   *
   * <p><b>Note:</b> this method is now unnecessary and should be treated as deprecated; use {@link
   * java.util.Objects#equals} instead.
   */
  @SuppressWarnings("InlineMeSuggester") // would introduce fully qualified references to Objects
  public static boolean equal(@Nullable Object a, @Nullable Object b) {