| Interface and Description | 
|---|
| org.apache.maven.artifact.factory.ArtifactFactory | 
| org.apache.maven.ArtifactFilterManagerDelegate use  META-INF/maven/extension.xmlto define artifacts exported by Maven core extensions. | 
| org.apache.maven.artifact.metadata.ArtifactMetadataSource | 
| org.apache.maven.monitor.event.EventDispatcher | 
| org.apache.maven.monitor.event.EventMonitor | 
| org.apache.maven.settings.MavenSettingsBuilder | 
| org.apache.maven.project.path.PathTranslator | 
| org.apache.maven.plugin.PluginManager | 
| org.apache.maven.ProjectDependenciesResolver As of 3.2.2, and there is no direct replacement. This is an internal class which was not marked as such,
             but should have been. | 
| org.apache.maven.artifact.repository.RepositoryCache | 
| Class and Description | 
|---|
| org.apache.maven.artifact.metadata.AbstractArtifactMetadata | 
| org.apache.maven.project.artifact.ActiveProjectArtifact | 
| org.apache.maven.project.artifact.AttachedArtifact | 
| org.apache.maven.plugin.DebugConfigurationListener | 
| org.apache.maven.toolchain.java.DefaultJavaToolChain clients that do not require compatibility with Maven 3.2.3 and earlier should link to
              JavaToolchainImplinstead. | 
| org.apache.maven.DefaultProjectDependenciesResolver As of 3.2.2, and there is no direct replacement. This is an internal class which was not marked as such,
             but should have been. | 
| org.apache.maven.toolchain.DefaultToolchainsBuilder instead use  DefaultToolchainsBuilder | 
| org.apache.maven.repository.DelegatingLocalArtifactRepository | 
| org.apache.maven.execution.ReactorManager | 
| org.apache.maven.artifact.metadata.ResolutionGroup | 
| Exceptions and Description | 
|---|
| org.apache.maven.artifact.metadata.ArtifactMetadataRetrievalException | 
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