code: public Observable<ApplicationInsightsComponentFavoriteInner> getAsync(String resourceGroupName, String resourceName, String favoriteId) {
          return getWithServiceResponseAsync(resourceGroupName, resourceName, favoriteId).map(new Func1<ServiceResponse<ApplicationInsightsComponentFavoriteInner>, ApplicationInsightsComponentFavoriteInner>() {
              @Override
              public ApplicationInsightsComponentFavoriteInner call(ServiceResponse<ApplicationInsightsComponentFavoriteInner> response) {
                  return response.body();
              }
          });
      }
docs: Get a single favorite by its FavoriteId, defined within an Application Insights component.
  
  @param resourceGroupName The name of the resource group.
  @param resourceName The name of the Application Insights component resource.
  @param favoriteId The Id of a specific favorite defined in the Application Insights component
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the ApplicationInsightsComponentFavoriteInner object