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

import java.util.List;

import org.apache.maven.project.MavenProject;

/**
 * Describes the interdependencies between projects in the reactor.
 *
 * @since 3.0-alpha
 */
public interface ProjectDependencyGraph {

    /**
     * Gets all collected projects.
     *

import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.stream.Collectors;

import org.apache.maven.api.services.model.*;

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

   |       variables for plugins in the POM.
   |
   |-->
  <profiles>
    <!-- profile
     | Specifies a set of introductions to the build process, to be activated using one or more of the
     | mechanisms described above. For inheritance purposes, and to activate profiles via <activatedProfiles/>
     | or the command line, profiles have to have an ID that is unique.
     |

a properties file named commons-logging.properties visible in the application class path, with a property named org.apache.commons.logging.LogFactory defining the desired implementation class name. Fall back to a default implementation, which is described further below. If a commons-logging.properties file is found, all of the properties defined there are also used to set configuration attributes on the instantiated LogFactory instance. Once an implementation class name is selected, the corresponding...