docs: public synchronized void registerContainer(String containerId,
                                                 ImageConfiguration imageConfig,
                                                 GavLabel gavLabel) {
          ContainerShutdownDescriptor descriptor = new ContainerShutdownDescriptor(imageConfig, containerId);
          shutdownDescriptorPerContainerMap.put(containerId, descriptor);
          updatePomLabelMap(gavLabel, descriptor);
          updateImageToContainerMapping(imageConfig, containerId);
      }