.collect(Collectors.toList());

        if (remainingProjects.isEmpty()) {
            LOGGER.info("No remaining projects found, resuming the build would not make sense.");
            return Optional.empty();
        }

        return Optional.of(new BuildResumptionData(remainingProjects));
    }

 * extends the basic {@link Source} interface with specific functionality for handling
 * Maven POM files and resolving related project POMs.
 *
 * <p>The interface provides two types of sources:</p>
 * <ul>
 *   <li>Build sources: Used for POM files of projects being built by Maven in the filesystem.
 *       These sources support resolving related POMs using the {@link ModelLocator}.</li>

 *
 * @since 4.0.0
 */
@Experimental
public interface VersionRangeResolverRequest extends RepositoryAwareRequest {

    /**
     * Specifies which type of repositories to query when resolving version ranges.
     * This controls whether to search in release repositories, snapshot repositories, or both.
     *
     * @since 4.0.0
     */
    enum Nature {
        /**

                        .activeOptionalProjects("non-existing-module")
                        .expectResult(MavenExecutionException.class, "do not exist"),
                scenario("Resuming from project")
                        .resumeFrom(MODULE_B)
                        .expectResult(MODULE_B, MODULE_C_2, INDEPENDENT_MODULE),
                scenario("Selected project with also make dependencies")

     * @param plugin The plugin whose descriptor should be retrieved, must not be {@code null}.
     * @param repositories The plugin repositories to use for resolving the plugin's main artifact, must not be {@code
     *            null}.
     * @param session The repository session to use for resolving the plugin's main artifact, must not be {@code null}.
     * @return The plugin descriptor, never {@code null}.
     */

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.model.resolution;

/**
 * Signals an error when resolving the path to an external model.
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public class UnresolvableModelException extends Exception {

    /**

* Showing empathy towards other community members

Examples of unacceptable behavior by participants include:

* The use of sexualized language or imagery and unwelcome sexual attention or
  advances
* Trolling, insulting/derogatory comments, and personal or political attacks
* Public or private harassment
* Publishing others' private information, such as a physical or electronic
  address, without explicit permission

    }

    /**
     * Creates a new build source for the specified path.
     * Build sources are used for POM files of projects being built by Maven
     * in the filesystem and support resolving related POMs.
     *
     * @param path the path to the POM file or project directory
     * @return a new ModelSource instance configured as a build source
     * @throws NullPointerException if path is null
     */

        // ------------------------------------------------------------------------
        // Local Repository
        //
        // 1. Use a value has been passed in via the configuration
        // 2. Use value in the resultant settings
        // 3. Use default value
        // ------------------------------------------------------------------------

        if (request.getLocalRepository() == null) {

          // Otherwise, an F -> T cycle will end up resolving both F and T
          // nondeterministically to either F or T.
          for (Type x = arg; x != null; x = mappings.remove(TypeVariableKey.forLookup(x))) {}
          return;
        }
      }
      mappings.put(var, arg);
    }
  }

  // This is needed when resolving types against a context with wildcards
  // For example: