code: protected final ServiceController<?> addHardcodedAbsolutePath(final ServiceTarget serviceTarget, final String pathName, final String path) {
          ServiceController<?>  controller = addAbsolutePathService(serviceTarget, pathName, path);
          addPathEntry(pathName, path, null, true);
          if (capabilityRegistry != null) {
              RuntimeCapability<Void> pathCapability = PATH_CAPABILITY.fromBaseCapability(pathName);
              capabilityRegistry.registerCapability(
                      new RuntimeCapabilityRegistration(pathCapability, CapabilityScope.GLOBAL, new RegistrationPoint(PathAddress.EMPTY_ADDRESS, null)));
          }
          return controller;
      }
docs: Add a {@code PathEntry} and install a {@code Service<String>} for one of the standard read-only paths
  that are determined from this process' environment. Not to be used for paths stored in the persistent
  configuration.
  @param serviceTarget service target to use for the service installation
  @param pathName the logical name of the path within the model. Cannot be {@code null}
  @param path  the value of the path within the model. This is an absolute path. Cannot be {@code null}
  @return the controller for the installed {@code Service<String>}