import org.eclipse.aether.impl.MetadataGenerator;
import org.eclipse.aether.impl.MetadataGeneratorFactory;
import org.eclipse.aether.installation.InstallRequest;

/**
 * Maven GA level metadata generator factory.
 */
@Named(VersionsMetadataGeneratorFactory.NAME)
@Singleton
public class VersionsMetadataGeneratorFactory implements MetadataGeneratorFactory {
    public static final String NAME = "versions";

import org.eclipse.aether.impl.MetadataGenerator;
import org.eclipse.aether.impl.MetadataGeneratorFactory;
import org.eclipse.aether.installation.InstallRequest;

/**
 * Maven G level metadata generator factory.
 */
@Named(PluginsMetadataGeneratorFactory.NAME)
@Singleton
public class PluginsMetadataGeneratorFactory implements MetadataGeneratorFactory {
    public static final String NAME = "plugins";

    @Override

import org.eclipse.aether.impl.MetadataGenerator;
import org.eclipse.aether.installation.InstallRequest;
import org.eclipse.aether.metadata.Metadata;
import org.eclipse.aether.util.ConfigUtils;

/**
 * Maven G level metadata generator.
 * <p>
 * Plugin metadata contains G level list of "prefix" to A mapping for plugins present under this G.
 */
class PluginsMetadataGenerator implements MetadataGenerator {

import org.eclipse.aether.impl.MetadataGenerator;
import org.eclipse.aether.impl.MetadataGeneratorFactory;
import org.eclipse.aether.installation.InstallRequest;

/**
 * Maven GAV level metadata generator factory.
 */
@Named(SnapshotMetadataGeneratorFactory.NAME)
@Singleton
public class SnapshotMetadataGeneratorFactory implements MetadataGeneratorFactory {
    public static final String NAME = "snapshot";

import org.eclipse.aether.impl.MetadataGenerator;
import org.eclipse.aether.metadata.Metadata;
import org.eclipse.aether.util.ConfigUtils;

/**
 * Maven remote GAV level metadata generator.
 * <p>
 * Remote snapshot metadata converts artifact on-the-fly to use timestamped snapshot version, and enlist it accordingly.
 */
class RemoteSnapshotMetadataGenerator implements MetadataGenerator {

import org.eclipse.aether.installation.InstallRequest;
import org.eclipse.aether.metadata.Metadata;
import org.eclipse.aether.util.ConfigUtils;

/**
 * Maven local GAV level metadata generator.
 * <p>
 * Local snapshot metadata contains non-transformed snapshot version.
 */
class LocalSnapshotMetadataGenerator implements MetadataGenerator {

    private final Map<Object, LocalSnapshotMetadata> snapshots;

import org.eclipse.aether.impl.MetadataGenerator;
import org.eclipse.aether.installation.InstallRequest;
import org.eclipse.aether.metadata.Metadata;
import org.eclipse.aether.util.ConfigUtils;

/**
 * Maven GA level metadata generator.
 *
 * Version metadata contains list of existing baseVersions within this GA.
 */
class VersionsMetadataGenerator implements MetadataGenerator {

    private final Map<Object, VersionsMetadata> versions;

import org.eclipse.aether.spi.artifact.ArtifactPredicateFactory;
import org.eclipse.aether.spi.artifact.decorator.ArtifactDecoratorFactory;
import org.eclipse.aether.spi.artifact.generator.ArtifactGeneratorFactory;
import org.eclipse.aether.spi.checksums.ProvidedChecksumsSource;
import org.eclipse.aether.spi.checksums.TrustedChecksumsSource;
import org.eclipse.aether.spi.connector.RepositoryConnectorFactory;