* 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.
     *
     * @param props The properties to add the environment variables to, may be {@code null}.
     */

        } catch (IllegalArgumentException e) {
            logger.warn(
                    "Invalid value specified for property {}: '{}'. Supported values are (case insensitive): {}",
                    MAVEN_PLUGIN_VALIDATION_KEY,
                    level,
                    Arrays.toString(ValidationReportLevel.values()));
            return DEFAULT_VALIDATION_LEVEL;
        }
    }

 * <li>version components in the text can be digits or strings,</li>
 * <li>strings are checked for well-known qualifiers and the qualifier ordering is used for version ordering.
 *     Well-known qualifiers (case insensitive) are:<ul>
 *     <li><code>alpha</code> or <code>a</code></li>
 *     <li><code>beta</code> or <code>b</code></li>
 *     <li><code>milestone</code> or <code>m</code></li>
 *     <li><code>rc</code> or <code>cr</code></li>

        checkVersionsEqual("1a1", "1-alpha-1");
        checkVersionsEqual("1b2", "1-beta-2");
        checkVersionsEqual("1m3", "1-milestone-3");

        // case insensitive
        checkVersionsEqual("1X", "1x");
        checkVersionsEqual("1A", "1a");
        checkVersionsEqual("1B", "1b");
        checkVersionsEqual("1M", "1m");
        checkVersionsEqual("1Cr", "1Rc");

    }

    /* MNG-3943*/
    @Test
    void testMergeOfPluginExecutionsWhenChildAndParentUseDifferentPluginVersions() throws Exception {
        PomTestWrapper pom = buildPom("plugin-exec-merging-version-insensitive/sub");
        assertEquals(4, ((List<?>) pom.getValue("build/plugins[1]/executions")).size());
    }

    @Test
    void testInterpolationWithXmlMarkup() throws Exception {

    /**
     * Gets the identifier of this repository.
     *
     * @return the (case-sensitive) identifier, never {@code null}
     */
    @Nonnull
    String getId();

    /**
     * Gets the type of the repository, for example "default".
     *
     * @return the (case-sensitive) type of the repository, never {@code null}
     */
    @Nonnull
    String getType();

      <description>This is the property specification used to activate a profile. If the value field
        is empty, then the existence of the named property will activate the profile, otherwise it
        does a case-sensitive match against the property value as well.</description>
      <fields>
        <field>
          <name>name</name>
          <version>4.0.0+</version>
          <type>String</type>

  maven-artifact. Usage of maven-wagon will be determined by an offline-aware
  manager.

* Assumptions: What is Offline?

  For the purposes of determining the areas sensitive to offline status,
  it is definitely useful to define what the offline state really means.

  [[1]] This is obvious, but the network/internet is unavailable.

@Experimental
public enum JavaPathType implements PathType {
    /**
     * The path identified by the Java {@code --class-path} option.
     * Used for compilation, execution and Javadoc among others.
     *
     * <p><b>Context-sensitive interpretation:</b>
     * A dependency with this path type will not necessarily be placed on the class-path.
     * There are two circumstances where the dependency may nevertheless be placed somewhere else:
     * </p>

      <description><![CDATA[
        This is the property specification used to activate a profile. If the value field is empty,
        then the existence of the named property will activate the profile, otherwise it does a case-sensitive
        match against the property value as well.
      ]]></description>
      <fields>
        <field>
          <name>name</name>
          <version>1.0.0</version>
          <type>String</type>