private Properties requestProperties;

    /**
     * @deprecated without passing in the system properties, the SystemPropertiesProfileActivator will not work
     *             correctly in embedded environments.
     */
    @Deprecated
    public DefaultProfileManager(PlexusContainer container) {
        this(container, null);
    }

    /**
     * the properties passed to the profile manager are the props that

    List<String> getInactiveProfileIds();

    /**
     * Gets the system properties to use for interpolation and profile activation. The system properties are collected
     * from the runtime environment like {@link System#getProperties()} and environment variables.
     *
     * @return The execution properties, never {@code null}.
     */
    Map<String, String> getSystemProperties();

    /**

public class EnvironmentUtils {

    private static Properties envVars;

    /**
     * Adds the environment variables in the form of properties whose keys are prefixed with {@code env.}, e.g. {@code
     * env.PATH}. Unlike native environment variables, properties are always case-sensitive. For the sake of
     * determinism, the environment variable names will be normalized to upper case on platforms with case-insensitive
     * variable lookup.
     *

    /**
     * Sets the system properties to use for interpolation and profile activation. The system properties are collected
     * from the runtime environment like {@link System#getProperties()} and environment variables.
     *
     * @param systemProperties The system properties, may be {@code null}.
     * @return This request, never {@code null}.
     */

            problems.add(new DefaultBuilderProblem(
                    null,
                    -1,
                    -1,
                    e,
                    "Failed to use environment variables for interpolation: " + e.getMessage(),
                    BuilderProblem.Severity.WARNING));
        }

        return new MavenToolchainsTransformer(value -> {
                    try {

    @Nonnull
    Map<String, String> getUserProperties();

    /**
     * Returns immutable system properties to use for interpolation. The system properties are collected from the
     * runtime environment such as {@link System#getProperties()} and environment variables
     * (prefixed with {@code env.}).
     *
     * @return the system properties, never {@code null}
     */
    @Nonnull
    Map<String, String> getSystemProperties();

        <field xdoc.separator="blank">
          <name>prerequisites</name>
          <version>4.0.0+</version>
          <description>Describes the prerequisites in the build environment for this project.</description>
          <association>
            <type>Prerequisites</type>
          </association>
        </field>

    }

    /**
     * Gets the system properties to use for interpolation and profile activation. The system properties are collected
     * from the runtime environment like {@link System#getProperties()} and environment variables.
     *
     * @return The system properties, never {@code null}.
     */
    public Properties getSystemProperties() {
        return request.getSystemProperties();
    }

     * graphs, most other settings remain at their generic default value. Use the various setters to further configure
     * the session with authentication, mirror, proxy and other information required for your environment. At least,
     * local repository manager needs to be configured to make session be able to create session instance.
     *

    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macOS-latest]
        java: [17, 21]

      fail-fast: false
    runs-on: ${{ matrix.os }}

    steps:
      - name: Collect environment context variables
        shell: bash
        env:
          PR_HEAD_LABEL: ${{ github.event.pull_request.head.label }}
        run: |
          set +e
          repo=maven-integration-testing