UnaryOperator<String> callback = v -> {
            String r = request.getUserProperties().getProperty(v);
            if (r == null) {
                r = request.getSystemProperties().getProperty(v);
            }
            return r != null ? r : v;
        };
        return v -> interpolator.interpolate(v, callback);
    }

@NullUnmarked
@GwtIncompatible
@J2ktIncompatible
final class ClassPathUtil {
  private ClassPathUtil() {}

  /**
   * Returns the URLs in the class path specified by the {@code java.class.path} {@linkplain
   * System#getProperty system property}.
   */
  // TODO(b/65488446): Make this a public API.
  static URL[] parseJavaClassPath() {
    ImmutableList.Builder<URL> urls = ImmutableList.builder();

WrapperExecutor(java.io.File, java.util.Properties); public static void loadProperties(java.io.File, java.util.Properties); public final String readDistroUrl(); public final String getProperty(String, String); public final int getProperty(int); public final boolean getProperty(boolean); public final String getProperty(String, String, boolean); }...

    }

    @Override
    public File getFile() {
        return artifact.getFile();
    }

    @Override
    public String getProperty(String key, String defaultValue) {
        return artifact.getProperty(key, defaultValue);
    }

    @Override
    public Map<String, String> getProperties() {
        return artifact.getProperties();
    }

# a system property as a boolean, use
# org.elasticsearch.core.Booleans#parseBoolean(java.lang.String) on the result of
# java.lang.SystemProperty#getProperty(java.lang.String) instead. If you were not intending to parse
# a system property as a boolean, but instead parse a string to a boolean, use
# org.elasticsearch.core.Booleans#parseBoolean(java.lang.String) directly on the string.

java.util.Properties) throws java.io.IOException; public java.net.URI getDistribution(); public WrapperConfiguration getConfiguration(); public void execute(String[], Installer, BootstrapMainStarter) throws Exception; private String getProperty(String); private String getProperty(String, String); private String reportMissingPropert(String); } org/apache/maven/wrapper/cli/AbstractCommandLineC.class package org.apache.maven.wrapper.cli; public abstract synchronized class AbstractCommandLineC implements CommandLineConverter...

        );
        helper.offer(notificationEvent);
    }

    private Level getEffectiveMinLevel() {
        try {
            final String levelStr = ComponentUtil.getSystemProperties().getProperty("fess.log.notification.level");
            if (levelStr != null) {
                return Level.toLevel(levelStr, minLevel);
            }
        } catch (final Exception e) {

        valueSources.add(new AbstractValueSource(false) {
            @Override
            public Object getValue(String expression) {
                return config.getSystemProperties().getProperty("env." + expression);
            }
        });

        valueSources.add(modelValueSource2);

        return valueSources;
    }

        : parseJavaClassPath().toArray(new URL[0]);
  }

  /**
   * Returns the URLs in the class path specified by the {@code java.class.path} {@linkplain
   * System#getProperty system property}.
   */
  // TODO(b/65488446): Make this a public API.
  @J2ktIncompatible
  private static ImmutableList<URL> parseJavaClassPath() {
    ImmutableList.Builder<URL> urls = ImmutableList.builder();

        : parseJavaClassPath().toArray(new URL[0]);
  }

  /**
   * Returns the URLs in the class path specified by the {@code java.class.path} {@linkplain
   * System#getProperty system property}.
   */
  // TODO(b/65488446): Make this a public API.
  @J2ktIncompatible
  private static ImmutableList<URL> parseJavaClassPath() {
    ImmutableList.Builder<URL> urls = ImmutableList.builder();