/**
     * 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

  </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>

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

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

        for (int index = 0; index < profiles.size(); index++) {
            Profile profile = profiles.get(index);
            Activation activation = profile.getActivation();
            if (activation != null) {
                ActivationFile file = activation.getFile();
                if (file != null) {
                    String oldExists = file.getExists();
                    if (isNotEmpty(oldExists)) {

     * 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

     |
     | 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>

        return this.activations.stream().filter(activation -> predicate.test(activation.activationSettings));
    }

    private Set<String> getProjectSelectors(final Predicate<ActivationSettings> predicate) {
        return getProjects(predicate).map(activation -> activation.selector).collect(toSet());
    }

    /**

  </description>

  <properties>
    <overridden>CHILD</overridden>
  </properties>

  <profiles>
    <profile>
      <id>it-child</id>
      <activation>
        <activeByDefault>true</activeByDefault>
      </activation>
    </profile>
  </profiles>

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

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

        this.activations.put(id, ActivationSettings.ACTIVATION_REQUIRED);
    }

    /**
     * Mark a profile as optional and activated.
     * @param id The identifier of the profile.
     */
    public void activateOptionalProfile(String id) {
        this.activations.put(id, ActivationSettings.ACTIVATION_OPTIONAL);
    }

    /**
     * Mark a profile as required and deactivated.