import org.apache.maven.artifact.resolver.ArtifactResolutionException;

/**
 * Manages multiple ArtifactTransformation instances and applies them in succession.
 */
@Deprecated
public interface ArtifactTransformationManager {
    String ROLE = ArtifactTransformationManager.class.getName();

    /**
     * Take in an artifact and return the transformed artifact for locating in the remote repository. If no

import static java.util.Objects.requireNonNull;

/**
 * A request for installing one or more artifacts in the local repository.
 *
 * @since 4.0.0
 */
@Experimental
@Immutable
public interface ArtifactInstallerRequest extends Request<Session> {

    @Nonnull
    Collection<ProducedArtifact> getArtifacts();

    @Nonnull
    static ArtifactInstallerRequestBuilder builder() {

 *
 */
@Deprecated
//
// Used by Tycho and will break users and force them to upgrade to Maven 3.1 so we should really leave
// this here, possibly indefinitely.
//
public interface RepositoryCache {

    /**
     * Puts the specified data into the cache. <strong>Warning:</strong> The cache will directly save the provided

Then I found that there was a standard to document APIs, using JSON (or YAML, an extension of JSON) called Swagger.

And there was a web user interface for Swagger APIs already created. So, being able to generate Swagger documentation for an API would allow using this web user interface automatically.

At some point, Swagger was given to the Linux Foundation, to be renamed OpenAPI.

/**
 * 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 {

    /**
     * Injects plugin executions induced by lifecycle bindings into the specified model. The model has already undergone

/**
 * 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

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
     *
     * @param severity The severity of the problem, must not be {@code null}.

package org.apache.maven.artifact.installer;

import java.io.File;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.repository.ArtifactRepository;

/**
 */
@Deprecated
public interface ArtifactInstaller {
    String ROLE = ArtifactInstaller.class.getName();

    /**
     * Install an artifact from a particular directory. The artifact handler is used to determine
     * the filename of the source file.

 *
 * @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.
     *
     * @param type the type, must not be {@code null}

 *
 * @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.
     *
     * @return The global toolchains source or {@code null} if none.
     */
    Source getGlobalToolchainsSource();