docs: public AtomicLongConfig findAtomicLongConfig(String name) {
          name = getBaseName(name);
          AtomicLongConfig config = lookupByPattern(configPatternMatcher, atomicLongConfigs, name);
          if (config != null) {
              return config.getAsReadOnly();
          }
          return getAtomicLongConfig("default").getAsReadOnly();
      }