import java.io.IOException;

/**
 * Signals a failure to parse the POM due to invalid syntax (e.g. non well-formed XML or unknown elements).
 *
 * @deprecated use {@code org.apache.maven.api.services.xml.ModelXmlFactory} instead
 */
@Deprecated(since = "4.0.0")
public class ModelParseException extends IOException {

    /**
     * The one-based index of the line containing the error.
     */

import org.eclipse.aether.util.ConfigUtils;

/**
 * Maven GA level metadata generator.
 *
 * Version metadata contains list of existing baseVersions within this GA.
 *
 * @deprecated since 4.0.0, use {@code maven-api-impl} jar instead
 */
@Deprecated(since = "4.0.0")
class VersionsMetadataGenerator implements MetadataGenerator {

    private final Map<Object, VersionsMetadata> versions;

import java.io.IOException;

/**
 * Signals a failure to parse the settings due to invalid syntax (e.g. non well-formed XML or unknown elements).
 *
 * @deprecated since 4.0.0, use {@link org.apache.maven.api.services.xml.SettingsXmlFactory} instead
 */
@Deprecated(since = "4.0.0")
public class SettingsParseException extends IOException {

    /**
     * The one-based index of the line containing the error.
     */

import java.util.Map;

import org.apache.maven.settings.Settings;

/**
 * Handles serialization of settings into some kind of textual format like XML.
 *
 * @deprecated since 4.0.0, use {@link org.apache.maven.api.services.xml.SettingsXmlFactory} instead
 */
@Deprecated(since = "4.0.0")
public interface SettingsWriter {

    /**

 * (if it did we could add @Priority of 0 to match the priority given to default components.)
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Named("core-default")
@Singleton
@Typed(ModelProcessor.class)
@Deprecated(since = "4.0.0")
public class DefaultModelProcessor implements ModelProcessor {

    @Inject
    private ModelLocator locator;

/**
 * A model building request that delegates all methods invocations to another request, meant for easy transformations by
 * subclassing.
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
class FilterModelBuildingRequest implements ModelBuildingRequest {

    protected ModelBuildingRequest request;

import org.apache.maven.utils.Os;

/**
 * Determines profile activation based on the operating system of the current runtime platform.
 *
 * @see ActivationOS
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Named("os")
@Singleton
@Deprecated(since = "4.0.0")
public class OperatingSystemProfileActivator implements ProfileActivator {

    private static final String REGEX_PREFIX = "regex:";

    @Override

import static java.util.Objects.requireNonNull;

/**
 * Default implementation of {@link Type} and Resolver {@link ArtifactType}.
 *
 * @since 4.0.0
 * @deprecated since 4.0.0, use {@code maven-api-impl} jar instead
 */
@Deprecated(since = "4.0.0")
public class DefaultType implements Type, ArtifactType {
    private final String id;
    private final Language language;
    private final String extension;

   * have the bug.
   *
   * @deprecated This implementation produces incorrect hash values from the {@link
   *     HashFunction#hashString} method if the string contains non-BMP characters. Use {@link
   *     #murmur3_32_fixed(int)} instead.
   */
  @Deprecated
  @SuppressWarnings("IdentifierName") // the best we could do for adjacent digit blocks

     * ImmutableMap.Builder}, but it does not make sense for bimaps.
     *
     * @throws UnsupportedOperationException always
     * @deprecated This method does not make sense for bimaps and should not be called.
     * @since 31.1
     */
    @DoNotCall
    @Deprecated
    @Override
    public ImmutableBiMap<K, V> buildKeepingLast() {
      throw new UnsupportedOperationException("Not supported for bimaps");
    }