* other words, the model resolver is stateful and should not be reused across multiple model building requests.
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public interface ModelResolver {

    /**
     * Tries to resolve the POM for the specified coordinates.
     *
     * @param groupId The group identifier of the POM, must not be {@code null}.

import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Nonnull;

/**
 * Builds the effective toolchains from a user toolchains file and/or an installation toolchains file.
 *
 * @since 4.0.0
 */
@Experimental
public interface ToolchainsBuilder extends Service {

    /**
     * Builds the effective toolchains for the specified toolchains files.
     *

import org.apache.maven.api.di.Named;

/**
 * Component able to contribute to Maven session user properties. This SPI component is invoked
 * very early, while there is no session created yet.
 *
 * @since 4.0.0
 */
@Experimental
@Consumer
@Named
public interface PropertyContributor extends SpiService {
    /**
     * Invoked just before session is created with a mutable map that carries collected user properties so far.

import org.apache.maven.model.building.ModelProblemCollector;

/**
 * Handles inheritance of model values.
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public interface InheritanceAssembler {

    /**
     * Merges values from the specified parent model into the given child model. Implementations are expected to keep

import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Nonnull;

/**
 * Used if your Mojo needs to fork a <a href="/ref/3.0.4/maven-core/lifecycles.html">lifecycle</a>.
 *
 * @since 4.0.0
 */
@Experimental
@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.TYPE)
@Inherited
public @interface Execute {
    /**

import org.apache.maven.plugin.prefix.NoPluginFoundForPrefixException;
import org.apache.maven.plugin.version.PluginVersionResolutionException;
import org.apache.maven.project.MavenProject;

/**
 * @since 3.0
 */
public interface LifecycleExecutionPlanCalculator {
    MavenExecutionPlan calculateExecutionPlan(MavenSession session, MavenProject project, List<Task> tasks)

 * internal utility interface that is only public for technical reasons, it is not part of the public API. In
 * particular, this interface can be changed or deleted without prior notice.
 *
 * @since 3.0
 */
public interface LegacySupport {

    /**
     * Sets the currently active session. Some legacy components are basically stateful and their API is missing

Maven Modifications

* DefaultPluginManager

  s/getMojoConfiguration()/getConfiguration()/g

  That should re-enable usage of mojo configuration. Ideally, we won't need any
  of the code that references this method, since the container should provide
  some way of recontextualizing the mojo, and all we would need to do is inject
  POM configuration via the lookup method or something.

* PluginDescriptorBuilder

                            {
                                "name": "if-modified-since",
                                "in": "header",
                                "required": False,
                                "schema": {
                                    "anyOf": [{"type": "string"}, {"type": "null"}],
                                    "title": "If Modified Since",
                                },
                            },

                if (doUseRelease) {
                    target
                } else {
                    null
                }
            }
        }

        // Need to use afterEvaluate since source/target compatibility are not lazy
        afterEvaluate {
            tasks.withType<JavaCompile>().configureEach {
                if (!useRelease().get()) {