code: private static void initializeSchemaIds() {
  
  		final Map<String, Class> interfaces = StructrApp.getConfiguration().getInterfaces();
  
  		// add Structr interfaces here
  		for (final Class type : interfaces.values()) {
  
  			// only register node types
  			if (type.isInterface() && NodeInterface.class.isAssignableFrom(type) && !type.getName().startsWith("org.structr.dynamic.")) {
  
  				registerType(type);
  			}
  		}
  	}
docs: ----- private static methods -----