if (reader != null) {
                return xml.read(reader, request.isStrict());
            } else {
                return xml.read(inputStream, request.isStrict());
            }
        } catch (Exception e) {
            throw new XmlReaderException("Unable to read toolchains", e);
        }
    }

    @Override
    public void write(XmlWriterRequest<PersistedToolchains> request) throws XmlWriterException {

                .userToolchainsSource(userToolchainsSource)
                .build();
    }

    @Nonnull
    static ToolchainsBuilderRequest build(
            @Nonnull Session session, @Nullable Path globalToolchainsPath, @Nullable Path userToolchainsPath) {
        return builder()
                .session(nonNull(session, "session cannot be null"))
                .globalToolchainsSource(

            if (reader != null) {
                return xml.read(reader, request.isStrict());
            } else {
                return xml.read(inputStream, request.isStrict());
            }
        } catch (Exception e) {
            throw new XmlReaderException("Unable to read toolchains: " + getMessage(e), getLocation(e), e);
        }
    }

    @Override

                    artifacts.addAll(descriptor.getExportedArtifacts());
                    packages.addAll(descriptor.getExportedPackages());
                }
            }
        } catch (IOException ignored) {
            // exports descriptors are entirely optional
        }

        return new CoreExtensionEntry(loader, artifacts, packages, null, null);
    }

 * under the License.
 */
package org.apache.maven.internal.transformation.impl;

import javax.xml.stream.XMLStreamException;

import java.io.IOException;
import java.nio.file.Path;

import org.apache.maven.api.model.Model;
import org.apache.maven.model.building.ModelBuildingException;
import org.apache.maven.project.MavenProject;
import org.eclipse.aether.RepositorySystemSession;

/**

            name: 'ITS_BRANCH' )
  }
  stages {
    stage("Build Maven Core") {
      steps {
        withEnv(["JAVA_HOME=${ tool "JDK 1.8 (latest)" }", "PATH+MAVEN=${tool 'Maven 3.6.3'}/bin:${env.JAVA_HOME}/bin"]) {
            sh "mvn -Drat.skip=true -T2 -B -V install -PversionlessMavenDist -Dmaven.repo.local=${env.WORKSPACE}/repo"
        }
      }
    }

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.api.services.model;

import java.nio.file.Path;
import java.util.List;
import java.util.Map;

/**
 * Describes the environmental context used to determine the activation status of profiles.
 *
 */
public interface ProfileActivationContext {
    /**

     * in the toolchain plugin configuration.
     * @param requirements Map<String, String> key value pair, may not be {@code null}
     * @return {@code true} if the requirements match, otherwise {@code false}
     */
    boolean matchesRequirements(Map<String, String> requirements);

            try (InputStream in = Files.newInputStream(userToolchainsFile.toPath())) {
                toolchains = new PersistedToolchains(new MavenToolchainsStaxReader().read(in));
            } catch (Exception e) {
                throw new MisconfiguredToolchainException(
                        "Cannot read toolchains file at " + userToolchainsFile.getAbsolutePath(), e);
            }

        throws Exception
    {
        try
        {
            buildPom( "unique-dependency-key/deps" );
            fail( "Non-unique dependency keys did not cause validation error" );
        }
        catch ( ProjectBuildingException e )
        {
            // expected
        }
    }

    @Test
    public void testValidationErrorUponNonUniqueDependencyManagementKey()
        throws Exception
    {