@Override
  void writeChars(String s);

  @Override
  void writeUTF(String s);

  /**
   * @deprecated This method is dangerous as it discards the high byte of every character. For
   *     UTF-8, use {@code write(s.getBytes(StandardCharsets.UTF_8))}.
   */
  @Deprecated
  @Override
  void writeBytes(String s);

  /** Returns the contents that have been written to this instance, as a byte array. */

 */
package org.apache.maven.model.path;

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

/**
 * Normalizes a URL.
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Named
@Singleton
@Deprecated(since = "4.0.0")
public class DefaultUrlNormalizer implements UrlNormalizer {

    @Override
    public String normalize(String url) {
        String result = url;

 */
package org.apache.maven.model.building;

import org.apache.maven.model.Model;

/**
 * Holds data relevant for a model building event.
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public interface ModelBuildingEvent {

    /**
     * Gets the model being built. The precise state of this model depends on the event being fired.
     *

/**
 * Allows a fixed set of properties that are valid inside a version and that could be overwritten for example on the
 * commandline
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public interface ModelVersionProcessor {

    /**
     * @param property the property to check

 * <strong>Note:</strong> This is an internal component whose interface can change without prior notice.
 *
 * @deprecated clients that do not require compatibility with Maven 3.2.3 and earlier should link to
 *             {@link JavaToolchainImpl} instead.
 */
@Deprecated
public class DefaultJavaToolChain extends JavaToolchainImpl {
    public static final String KEY_JAVAHOME = JavaToolchainImpl.KEY_JAVAHOME;

package org.apache.maven.building;

import java.util.ArrayList;
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")
class DefaultProblemCollector implements ProblemCollector {

    private final List<Problem> problems;

    private String source;

import java.util.Map;

import org.apache.maven.model.Model;

/**
 * Handles serialization of a model into some kind of textual format like XML.
 *
 * @deprecated use {@code org.apache.maven.api.services.xml.ModelXmlFactory} instead
 */
@Deprecated(since = "4.0.0")
public interface ModelWriter {

    /**
     * Writes the supplied model to the specified file. Any non-existing parent directories of the output file will be

import org.apache.maven.settings.v4.SettingsStaxReader;
import org.codehaus.plexus.util.xml.pull.XmlPullParserException;

/**
 * @deprecated Maven 3 compatibility - please use {@code org.apache.maven.api.services.xml.SettingsXmlFactory} from {@code maven-api-core}
 * or {@link SettingsStaxReader}
 */
@Deprecated
public class SettingsXpp3Reader {

    private final SettingsStaxReader delegate;

    public SettingsXpp3Reader() {

   * </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) {

	globalConfigDir, err = newConfigDir(configDir, configSet, defaultConfigDir.Get)
	logger.FatalIf(err, "Unable to initialize the (deprecated) config directory")
	globalCertsDir, err = newConfigDir(certsDir, certsSet, defaultCertsDir.Get)
	logger.FatalIf(err, "Unable to initialize the certs directory")

	// Remove this code when we deprecate and remove config-dir.
	// This code is to make sure we inherit from the config-dir