/**
     * Shortcut for {@code getService(DependencyResolver.class).flatten(...)}.
     *
     * @param node node for which to get a flattened list
     * @param scope build path scope (main compile, test compile, etc.) of desired nodes
     * @return flattened list of node with the given build path scope
     * @throws org.apache.maven.api.services.DependencyResolverException if the dependency flattening failed
     *

          <basedir>${project.basedir}/../api/maven-api-model</basedir>
          <velocityBasedir>${project.basedir}/../src/mdo</velocityBasedir>
          <version>4.1.0</version>
          <models>
            <model>src/main/mdo/maven.mdo</model>
          </models>
          <params>
            <param>forcedIOModelVersion=4.0.0</param>
            <param>packageModelV3=org.apache.maven.model</param>

+ Fork the repository on GitHub.

Making and Submitting Changes
--------------

We accept Pull Requests via GitHub. The [developer mailing list][dev-ml-list] is the
main channel of communication for contributors.  
There are some guidelines which will make applying PRs easier for us:
+ Create a topic branch from where you want to base your work (this is usually the master branch).

        assertEquals(
                "src/main/mdo/remote-resources.mdo",
                new MojoExecutionXPathContainer(executions.get(1)).getValue("configuration/models[1]/model"));
        assertEquals(
                "src/main/mdo/supplemental-model.mdo",
                new MojoExecutionXPathContainer(executions.get(4)).getValue("configuration/models[1]/model"));

    }

    @Override
    public int hashCode() {
        return items.hashCode();
    }

    // CHECKSTYLE_OFF: LineLength

    /**
     * Main to test version parsing and comparison.
     * <p>
     * To check how "1.2.7" compares to "1.2-SNAPSHOT", for example, you can issue

                Stream.concat(
                        // pom artifact
                        Stream.of(new ProjectArtifact(project)),
                        // main project artifact if not a pom
                        "pom".equals(project.getPackaging()) ? Stream.empty() : Stream.of(project.getArtifact())),
                // attached artifacts

          <plugin>
            <artifactId>maven-assembly-plugin</artifactId>
            <inherited>false</inherited>
            <configuration>
              <descriptors>
                <descriptor>src/main/assembly/src.xml</descriptor>
              </descriptors>
              <tarLongFileMode>gnu</tarLongFileMode>
              <finalName>maven-${project.version}-src</finalName>
            </configuration>

          <plugin>
            <artifactId>maven-assembly-plugin</artifactId>
            <inherited>false</inherited>
            <configuration>
              <descriptors>
                <descriptor>src/main/assembly/src.xml</descriptor>
              </descriptors>
              <tarLongFileMode>gnu</tarLongFileMode>
              <finalName>maven-${project.version}-src</finalName>
            </configuration>

                + " It is derived from the main artifact.");
    }

    public String getBaseVersion() {
        return parent.getBaseVersion();
    }

    public void setBaseVersion(String baseVersion) {
        throw new UnsupportedOperationException("Cannot change the version information for an attached artifact."
                + " It is derived from the main artifact.");
    }

    public String getDownloadUrl() {

                <template>src/main/mdo/model-v3.vm</template>
                <template>src/main/mdo/merger.vm</template>
                <template>src/main/mdo/transformer.vm</template>
                <template>src/main/mdo/reader.vm</template>
                <template>src/main/mdo/reader-ex.vm</template>
                <template>src/main/mdo/writer.vm</template>
                <template>src/main/mdo/writer-ex.vm</template>