This could have corrupted requests where multiple headers had the same name,
    as in cookies.
 *  Fix: Reject bad characters in the URL hostname. Previously characters like
    `\0` would cause a late crash when building the request.
 *  Fix: Allow interceptors to change the request method.
 *  Fix: Don’t use the request's `User-Agent` or `Proxy-Authorization` when
    connecting to an HTTPS server via an HTTP tunnel. The `Proxy-Authorization`

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.model.building;

/**
 * Assists in firing events from a generic method by abstracting from the actual callback method to be called on the
 * listener.
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.model.building;

/**
 * Defines events that the model builder fires during construction of the effective model. When a listener encounters

 The main component is <<<ModelBuilder>>>
 ({{{./apidocs/org/apache/maven/model/building/ModelBuilder.html}javadoc}},
 {{{./xref/org/apache/maven/model/building/ModelBuilder.html}source}}),
 with its <<<DefaultModelBuilder>>> implementation
 ({{{./apidocs/org/apache/maven/model/building/DefaultModelBuilder.html}javadoc}},
 {{{./xref/org/apache/maven/model/building/DefaultModelBuilder.html}source}})
 that manages the steps sequence.

 * <strong>Note:</strong> This is an internal component whose interface can change without prior notice.
 *
 * @deprecated use {@link org.apache.maven.toolchain.building.ToolchainsBuilder} instead
 */
@Deprecated
public interface ToolchainsBuilder {

    /**
     * Builds the toolchains model from the configured toolchain files.
     *

        InOrder inOrder = inOrder(logger);
        inOrder.verify(logger).info("");
        inOrder.verify(logger).info("------------------< org.apache.maven:maven-embedder >-------------------");
        inOrder.verify(logger).info("Building Apache Maven Embedder 3.5.4-SNAPSHOT");
        inOrder.verify(logger).info(adaptDirSeparator("  from maven-embedder/pom.xml"));

import org.apache.maven.toolchain.v4.MavenToolchainsStaxReader;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * @deprecated instead use {@link org.apache.maven.toolchain.building.DefaultToolchainsBuilder}
 */
@Deprecated
@Named("default")
@Singleton
public class DefaultToolchainsBuilder implements ToolchainsBuilder {
    private final Logger logger = LoggerFactory.getLogger(getClass());

 */
package org.apache.maven.settings.crypto;

import java.util.ArrayList;
import java.util.List;

import org.apache.maven.settings.Proxy;
import org.apache.maven.settings.Server;
import org.apache.maven.settings.building.SettingsProblem;

/**
 * Collects the output of the settings decrypter.
 *
 * @deprecated since 4.0.0
 */
@Deprecated(since = "4.0.0")
class DefaultSettingsDecryptionResult implements SettingsDecryptionResult {

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.settings.validation;

import org.apache.maven.settings.Settings;
import org.apache.maven.settings.building.SettingsProblemCollector;

/**
 * Validate a model settings
 *
 * @deprecated since 4.0.0, use {@code org.apache.maven.impl.DefaultSettingsValidator} instead
 */
@Deprecated(since = "4.0.0")

import org.apache.maven.model.Repository;
import org.apache.maven.model.Resource;
import org.apache.maven.model.building.ModelBuildingRequest;
import org.apache.maven.model.building.ModelProblem.Severity;
import org.apache.maven.model.building.ModelProblem.Version;
import org.apache.maven.model.building.ModelProblemCollector;
import org.apache.maven.model.building.ModelProblemCollectorRequest;
import org.apache.maven.model.interpolation.ModelVersionProcessor;