code: function processMetadata () {
  				//only interprete the metadata if the analytics model was not initialised yet
  				if (that.bIsInitialized) {
  					return;
  				}
  
  				//mark analytics model as initialized
  				that.bIsInitialized = true;
  
  				/*
  				 * add extra annotations if provided
  				 */
  				if (mParameter && mParameter.sAnnotationJSONDoc) {
  					that.mergeV2Annotations(mParameter.sAnnotationJSONDoc);
  				}
  
  				that._interpreteMetadata(that._oModel.getServiceMetadata().dataServices);
  			}
docs: Kickstart the interpretation of the metadata,
  either called directly if metadata is available, or deferred and then
  executed via callback by the model during the metadata loaded event.