docs: @SuppressWarnings({ "unchecked", "rawtypes" })
  	protected void ensureLocalSpaceDefinition(SpaceID id, Object[] initializationParameters) {
  		synchronized (getSpaceRepositoryMutex()) {
  			if (!this.spaces.containsKey(id)) {
  				createSpaceInstance((Class) id.getSpaceSpecification(), id, false, initializationParameters);
  			}
  		}
  	}