/**
     * Determines the profiles which are active in the specified activation context. Active profiles will eventually be
     * injected into the model.
     *
     * @param profiles The profiles whose activation status should be determined, must not be {@code null}.
     * @param context The environmental context used to determine the activation status of a profile, must not be
     *            {@code null}.

  </description>

  <profiles>
    <profile>
      <id>maven-core-it</id>
      <activation>
        <activeByDefault>true</activeByDefault>
      </activation>
      <dependencies>
        <dependency>
          <groupId>org.apache.maven.its</groupId>
          <artifactId>maven-core-it-support</artifactId>

  </build>

  <profiles>
    <profile>
      <id>default-active</id>
      <activation>
        <activeByDefault>true</activeByDefault>
      </activation>
      <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
      </properties>
    </profile>
    <profile>
      <id>file</id>
      <activation>
        <file>
          <exists>simple.xml</exists>
        </file>

            return builder;
        }

        @Override
        protected Activation.Builder transformActivation_File(
                Supplier<? extends Activation.Builder> creator, Activation.Builder builder, Activation target) {
            stk.push(nextFrame("file", Activation::getFile));
            Optional.ofNullable(target.getFile());

import org.apache.maven.api.di.Singleton;
import org.apache.maven.api.model.Activation;
import org.apache.maven.api.model.Profile;
import org.apache.maven.api.services.ModelProblemCollector;
import org.apache.maven.api.services.model.ProfileActivationContext;
import org.apache.maven.api.services.model.ProfileActivator;

/**
 * Determines profile activation based on the project's packaging.
 */
@Named("packaging")
@Singleton

                            "Failed to determine activation for profile " + profile.getId(),
                            profile.getLocation(""),
                            e);
                    return false;
                }
            }
        }
        return isActive;
    }

    private boolean isActiveByDefault(Profile profile) {
        Activation activation = profile.getActivation();

    /**
     * Determines whether specified activation method is present in configuration or not. It should help to have AND
     * between activation conditions
     * Need for solving https://issues.apache.org/jira/browse/MNG-4565
     * @param profile The profile whose activation status should be determined, must not be {@code null}.
     * @param context The environmental context used to determine the activation status of the profile, must not be

        for (Profile profile : model.getProfiles()) {
            Activation activation = profile.getActivation();
            if (activation != null) {
                // restore activation
                profile = profile.withActivation(activations.get(profile.getId()));
                modified = true;
            }
            profiles.add(profile);
        }

     * from the runtime environment like {@link System#getProperties()} and environment variables.
     *
     * @return The execution properties, never {@code null}.
     */
    Map<String, String> getSystemProperties();

    /**
     * Gets the user properties to use for interpolation and profile activation. The user properties have been

  </build>

  <profiles>
    <profile>
      <id>test-1</id>
      <activation>
        <jdk>[1.4,)</jdk>
      </activation>
      <properties>
        <jdkProperty1>PASSED</jdkProperty1>
      </properties>
    </profile>
    <profile>
      <id>test-2</id>
      <activation>
        <jdk>(,100)</jdk>
      </activation>
      <properties>
        <jdkProperty2>PASSED</jdkProperty2>
      </properties>