code: @Restricted(NoExternalUse.class)
      public static @Nonnull JenkinsLocationConfiguration getOrDie(){
          JenkinsLocationConfiguration config = JenkinsLocationConfiguration.get();
          if (config == null) {
              throw new IllegalStateException("JenkinsLocationConfiguration instance is missing. Probably the Jenkins instance is not fully loaded at this time.");
          }
          return config;
      }
docs: Gets local configuration. For explanation when it could die, see {@link #get()}