docs: void postConstruction() {
  		if (this.spaceIDs != null) {
  			for (final Entry<SpaceID, Object[]> e : this.spaceIDs.entrySet()) {
  				assert this.spaceIDs.containsKey(e.getKey());
  				ensureLocalSpaceDefinition(e.getKey(), e.getValue());
  			}
  			this.internalListener = new SpaceDMapListener();
  			this.spaceIDs.addDMapListener(this.internalListener);
  		}
  	}