accumulator.addAll(createPairedStatsOf(xPartitions.get(index), yPartitions.get(index)));
    }
    return accumulator;
  }

  private static boolean isAndroid() {
    return checkNotNull(System.getProperty("java.runtime.name", "")).contains("Android");
  }

  private StatsTesting() {}

     */
    @Deprecated
    public RepositorySystemSession newRepositorySession(MavenExecutionRequest request) {
        if (!Boolean.parseBoolean(System.getProperty("maven.newRepositorySession.warningsDisabled", "false"))) {
            if (logger.isDebugEnabled()) {
                logger.warn(

        }

        ProjectBuildingRequest config = new DefaultProjectBuildingRequest();

        String localRepoPath = System.getProperty(
                "maven.repo.local",
                System.getProperty("user.home") + File.separator + ".m2" + File.separator + "repository");
        String localRepoUrl = new File(localRepoPath).getAbsoluteFile().toURI().toString();

                    case 'm':
                        value = "milestone";
                        break;
                    default:
                }
            }
            this.value = ALIASES.getProperty(value, value);
        }

        @Override
        public int getType() {
            return STRING_ITEM;
        }

        @Override
        public boolean isNull() {

     * Default Guice class loading mode uses a terminally deprecated JDK memory-access classes.
     */
    protected void setupGuiceClassLoading(C context) {
        if (System.getProperty("guice_custom_class_loading", "").isBlank()) {
            System.setProperty("guice_custom_class_loading", "CHILD");
        }
    }

    protected void configureLogging(C context) throws Exception {
        // LOG COLOR

                    activation.setJdk(val);
                }
                // OS
                visit(activation.getOs());
                // Property
                visit(activation.getProperty());
                // File
                visit(activation.getFile());
            }
        }

        private void visit(ActivationOS activationOS) {
            if (activationOS != null) {

            if (isBlankVersion) {
                // only take value from underlying POM if plugin descriptor has no explicit Maven requirement
                descriptor.setRequiredMavenVersion(artifact.getProperty("requiredMavenVersion", null));
            }

            return descriptor;
        });

        pluginDescriptor.setPlugin(plugin);

        return pluginDescriptor;
    }

                nt.performFor(oa.getName(), "name", oa::setName);
                nt.performFor(oa.getVersion(), "version", oa::setVersion);
            });
            a.map(Activation::getProperty).ifPresent(pa -> {
                Interpolation nt = new Interpolation(pa, interpolator::interpolate);
                nt.performFor(pa.getName(), "name", pa::setName);

      throw sneakyThrow(e.getCause());
    }
  }

  @J2ktIncompatible
  @GwtIncompatible // TODO
  private static boolean isAppEngineWithApiClasses() {
    if (System.getProperty("com.google.appengine.runtime.environment") == null) {
      return false;
    }
    try {
      Class.forName("com.google.appengine.api.utils.SystemProperty");
    } catch (ClassNotFoundException e) {

    Map<String, String> result = Maps.fromProperties(testProp);
    assertTrue(result.isEmpty());
    testProp.setProperty("first", "true");

    result = Maps.fromProperties(testProp);
    assertEquals("true", result.get("first"));
    assertEquals(1, result.size());
    testProp.setProperty("second", "null");

    result = Maps.fromProperties(testProp);
    assertEquals("true", result.get("first"));