<profiles>
        <profile>
            <id>two-conditions</id>
            <activation>
                <file>
                    <exists>simple.xml</exists>
                </file>
                <property>
                    <name>myproperty</name>
                    <value>test</value>
                </property>
            </activation>
            <properties>
                <profile.file>activated-1</profile.file>

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

import javax.inject.Named;
import javax.inject.Singleton;

import java.util.Objects;
import java.util.Optional;

import org.apache.maven.api.model.Activation;
import org.apache.maven.api.model.Profile;
import org.apache.maven.model.building.ModelProblemCollector;

    private static final String JDK_VERSION = System.getProperty("java.version");

    public boolean isActive(Profile profile) throws ProfileActivationException {
        Activation activation = profile.getActivation();

        String jdk = activation.getJdk();

        // null case is covered by canDetermineActivation(), so we can do a straight startsWith() here.
        if (jdk.startsWith("[") || jdk.startsWith("(")) {

     |
     | This profile example uses the JDK version to trigger activation, and provides a JDK-specific repo.
    <profile>
      <id>jdk-1.4</id>

      <activation>
        <jdk>1.4</jdk>
      </activation>

      <repositories>
        <repository>
          <id>jdk14</id>
          <name>Repository for JDK 1.4 builds</name>

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

/**
 * Describes the environmental context used to determine the activation status of profiles.
 *
 * @deprecated use {@link org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public class DefaultProfileActivationContext implements ProfileActivationContext {

			</exclusions>
		</dependency>
		<dependency>
			<groupId>jakarta.activation</groupId>
			<artifactId>jakarta.activation-api</artifactId>
			<version>${jakarta.activation.api.version}</version>
		</dependency>
		<dependency>
			<groupId>com.sun.activation</groupId>
			<artifactId>jakarta.activation</artifactId>
			<version>${jakarta.activation.version}</version>
		</dependency>

		<!-- logging -->
		<dependency>

     * Gets the type of data associated with this tag.
     *
     * @return The type of data, must not be {@code null}.
     */
    Class<T> getType();

    /**
     * The tag used for the raw model without profile activation
     */
    ModelCacheTag<ModelData> RAW = new ModelCacheTag<ModelData>() {

        @Override
        public String getName() {
            return "raw";
        }

        @Override

 that manages the steps sequence.

 The sequence is divided into 2 phases:

 * phase 1

   ** profile activation: see {{{./apidocs/org/apache/maven/model/profile/activation/package-summary.html}available activators}}.
   Notice that model interpolation hasn't happened yet, then interpolation for file-based activation is limited to
   <<<$\{basedir}>>> (since Maven 3), <<<$\{rootDirectory}>>> (since Maven 4), system properties and user properties

     * 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

    /**
     * Return the requested activation(s) of project(s) in this execution.
     * @return requested (de-)activation(s) of project(s) in this execution. Never {@code null}.
     */
    ProjectActivation getProjectActivation();

    /**
     * Return the requested activation(s) of profile(s) in this execution.
     * @return requested (de-)activation(s) of profile(s) in this execution. Never {@code null}.
     */