* Simply converts the given content to an xml string.
     *
     * @param content the object to convert
     * @return the xml string representation
     * @throws XmlWriterException if an error occurs during the transformation
     * @see #fromXmlString(String)
     */
    public static String toXml(@Nonnull Model content) throws XmlWriterException {
        return new DefaultModelXmlFactory().toXmlString(content);
    }

        // do nothing
    }

    /**
     * Checks the specified (raw) model for missing or invalid values. The raw model is the file model + buildpom filter
     * transformation and has not been subjected to inheritance, interpolation or profile/default injection.
     *
     * @param model The model to validate, must not be {@code null}.

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

import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Provider;

import java.nio.file.Path;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

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

import javax.inject.Inject;

import java.net.MalformedURLException;

import org.apache.maven.execution.DefaultMavenExecutionRequest;
import org.apache.maven.execution.DefaultMavenExecutionResult;

     *
     * @return the activated file model, never {@code null}.
     */
    @Nonnull
    Model getActivatedFileModel();

    /**
     * Gets the file model + build pom transformation, without inheritance nor interpolation.
     *
     * @return The raw model, never {@code null}.
     */
    @Nonnull
    Model getRawModel();

    /**

            return interimResult;
        }

        private List<ProjectBuildingResult> build(
                Map<File, MavenProject> projectIndex, List<InterimResult> interimResults) {
            // The transformation may need to access dependencies raw models,
            // which may cause some re-entrance in the build() method and can
            // actually cause deadlocks.  In order to workaround the problem,

                "We expected the release transformation and got " + tms.get(0));

        assertTrue(
                tms.get(1) instanceof LatestArtifactTransformation,
                "We expected the latest transformation and got " + tms.get(1));

        assertTrue(
                tms.get(2) instanceof SnapshotTransformation,
                "We expected the snapshot transformation and got " + tms.get(2));
    }

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

import javax.inject.Inject;

import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Collections;

    /**
     * @param context the context, cannot be null
     * @param model   the model to transform
     * @param path    the pom file, cannot be null
     * @throws ModelTransformerException if the transformation fails
     */
    @Nonnull
    Model transform(@Nonnull ModelTransformerContext context, @Nonnull Model model, @Nonnull Path path)
            throws ModelTransformerException;

            ArtifactRepository selected,
            ArtifactRepository localRepository)
            throws RepositoryMetadataStoreException {
        // TODO this could be a lot nicer... should really be in the snapshot transformation?
        if (metadata.isSnapshot()) {
            Metadata prevMetadata = metadata.getMetadata();

            for (ArtifactRepository repository : previousMetadata.keySet()) {