}

    /**
     * Creates POM artifact out of passed in artifact by dropping classifier (if exists) and rewriting extension to
     * "pom". Unconditionally, unlike {@link #toPomArtifact(Artifact)} that does this only for artifacts without
     * classifiers.
     *
     * @since 4.0.0
     */
    public static Artifact toPomArtifactUnconditionally(Artifact artifact) {

     * @param allowStubModel A flag controlling the case of a missing POM artifact. If {@code true} and the specified
     *            POM artifact does not exist, a simple stub model will be returned. If {@code false}, an exception will
     *            be thrown.
     * @param request The project building request that holds further parameters, must not be {@code null}.

          <models />
        </configuration>
        <executions>
          <execution>
            <!-- This step is required to generate xdoc, and does not generate java code -->
            <id>modello-site-doc</id>
            <goals>
              <goal>xdoc</goal>
            </goals>
            <phase>pre-site</phase>
            <configuration>

     * @param columnNumber The one-based index of the column containing the error or {@code -1} if unknown.
     * @param exception The exception that caused this problem, may be {@code null}.
     */
    // mkleint: does this need to be public?
    public DefaultModelProblem(
            String message,
            Severity severity,
            Version version,
            Model source,
            int lineNumber,

                        severity,
                        version,
                        prefix + fieldName,
                        sourceHint,
                        "with value '" + id + "' does not match a valid coordinate id pattern.",
                        tracker);
                return false;
            }
            validCoordinateIds.add(id);
            return true;
        }
    }

        if (pluginArtifactRepositories == null) {
            pluginArtifactRepositories = new ArrayList<>();
        }
        return pluginArtifactRepositories;
    }

    // TODO this does not belong here.
    @Override
    public ProjectBuildingRequest getProjectBuildingRequest() {
        if (projectBuildingRequest == null) {
            projectBuildingRequest = new DefaultProjectBuildingRequest();

                    proxy.getNonProxyHosts());
        }
        sessionBuilder.setProxySelector(proxySelector);

        // Note: we do NOT use WagonTransportConfigurationKeys here as Maven Core does NOT depend on Wagon Transport
        // and this is okay and "good thing".
        DefaultAuthenticationSelector authSelector = new DefaultAuthenticationSelector();
        for (Server server : decrypted.getServers()) {

Manifest-Version: 1.0 Archiver-Version: Plexus Archiver Created-By: Apache Maven Built-By: BEBE Build-Jdk: 1.6.0_07 META-INF/maven/plugin.xml A test plugin to assist testing of Maven core. org.apache.maven.plugins maven-clean-plugin 0.1 clean false true clean Does nothing. false true false false false true org.apache.maven.plugin.coreit.ItMojo java per-lookup once-per-session org.apache.maven maven-plugin-api jar 2.0 org/apache/maven/plugin/coreit/ItMojo.class package org.apache.maven.plugin.coreit; public synchronized...

Manifest-Version: 1.0 Archiver-Version: Plexus Archiver Created-By: Apache Maven Built-By: BEBE Build-Jdk: 1.6.0_07 META-INF/maven/plugin.xml A test plugin to assist testing of Maven core. org.apache.maven.plugins maven-surefire-plugin 0.1 surefire false true test Does nothing. test false true false false false true org.apache.maven.plugin.coreit.ItMojo java per-lookup once-per-session org.apache.maven maven-plugin-api jar 2.0 org/apache/maven/plugin/coreit/ItMojo.class package org.apache.maven.plugin.coreit; public...

                // Message below is checked for in the MNG-2199 core IT.
                throw new ModelResolverException(
                        String.format("The requested version range '%s' does not specify an upper bound", version),
                        groupId,
                        artifactId,
                        version);
            }