docs: synchronized void deactivateProbe(ProbeImpl probe) {
          listenersByProbe.remove(probe);
          activeProbesById.remove(probe.getIdentifier());
  
          Class<?> clazz = probe.getSourceClass();
          Map<String, ProbeImpl> classProbesByKey = probesByKey.get(clazz);
          classProbesByKey.remove(probe.getName());
          if (classProbesByKey.isEmpty()) {
              probesByKey.remove(clazz);
          }
      }