code: public int getAsync(android.support.v4.app.LoaderManager lm, ResultHandler<T> handler, Class<? extends Model>... respondsToUpdatedOf) {
          if (Model.class.isAssignableFrom(resultClass)) {
              respondsToUpdatedOf = Utils.concatArrays(respondsToUpdatedOf, new Class[]{resultClass});
          }
  		final int loaderId = placeholderQuery.hashCode();
  		lm.restartLoader(loaderId, null, getSupportLoaderCallbacks(rawQuery, resultClass, handler, respondsToUpdatedOf));
          return loaderId;
  	}
docs: Execute the query asynchronously
  
  @param lm
  The loader manager to use for loading the data
  
  @param handler
  The ResultHandler to notify of the query result and any updates to that result.
  
  @param respondsToUpdatedOf
  A list of models excluding the queried model that should also trigger a update to the result if they change.
  
  @return the id of the loader.