docs: public void setBundleActivator(String bundleActivator) {
  		String old = mainAttributes.get(BUNDLE_ACTIVATOR);
  		if (!bundleActivator.equals(old)) {
  			this.mainAttributes.put(BUNDLE_ACTIVATOR, bundleActivator);
  			this.modified = true;
  			this.bundleActivator = bundleActivator;
  		}
  	}