import org.codehaus.plexus.logging.Logger;
import org.eclipse.aether.ConfigurationProperties;
import org.eclipse.aether.util.ConfigUtils;

// TODO remove the update check manager
// TODO separate into retriever and publisher
// TODO remove hardcoding of checksum logic

/**
 * Manages <a href="https://maven.apache.org/wagon">Wagon</a> related operations in Maven.
 */
@Named
@Singleton
@Deprecated

                artifactVersions = Collections.emptyList();
            }
            return artifactVersions;
        }

        public ResolutionGroup retrieve(MetadataResolutionRequest request) throws ArtifactMetadataRetrievalException {
            return retrieve(request.getArtifact(), request.getLocalRepository(), request.getRemoteRepositories());
        }

                }
            }
        } catch (IOException e) {
            LOGGER.error("Error while cleaning project local repository", e);
        }
    }

    /**
     * Retrieve a stream of the project's artifacts
     */
    private Stream<Artifact> getProjectArtifacts(MavenProject project) {
        Stream<org.apache.maven.artifact.Artifact> artifacts = Stream.concat(

            for (ArtifactRepository repository : repositories) {
                repository.setProxy(getProxy(session, repository));
            }
        }
    }

    public void retrieve(
            ArtifactRepository repository,
            File destination,
            String remotePath,
            ArtifactTransferListener transferListener)

        } catch (ComponentLookupException e) {
            throw new PluginConfigurationException(
                    mojoDescriptor.getPluginDescriptor(),
                    "Unable to retrieve component configurator " + configuratorId + " for configuration of mojo "
                            + mojoDescriptor.getId(),
                    e);
        } catch (NoClassDefFoundError e) {

     * @throws org.apache.maven.api.services.MavenException if not called from the within a mojo execution
     */
    @Nonnull
    Map<String, Object> getPluginContext(@Nonnull Project project);

    /**
     * Retrieves the service for the interface
     *
     * @throws NoSuchElementException if the service could not be found
     */
    @Nonnull
    <T extends Service> T getService(@Nonnull Class<T> clazz);

    /**

                }
            } catch (ArtifactResolutionException e) {
                // This is really a wagon TransferFailedException so something went wrong after we successfully
                // retrieved the metadata.

                synchronized (result) {
                    result.addErrorArtifactException(e);
                }
            } finally {
                latch.countDown();

                }
            } catch (Exception e) {
                if (logger.isDebugEnabled()) {
                    logger.warn("Failed to retrieve plugin descriptor for {}: {}", plugin.getId(), e.getMessage(), e);
                } else {
                    logger.warn("Failed to retrieve plugin descriptor for {}: {}", plugin.getId(), e.getMessage());
                }
            }
        }

        return null;
    }

                throw new UnsupportedOperationException("Cannot get available versions in this test case");
            }

            @Override
            public ResolutionGroup retrieve(MetadataResolutionRequest request) {
                return retrieve(request.getArtifact(), request.getLocalRepository(), request.getRemoteRepositories());
            }

            @Override

                                    // We retrieve the POM below in the retrieval step.
                                    manageArtifact(child, managedVersions, listeners);

                                    // Also, we need to ensure that any exclusions it presents are
                                    // added to the artifact before we retrieve the metadata