code: public Observable<ApplicationInsightsComponentInner> updateTagsAsync(String resourceGroupName, String resourceName, Map<String, String> tags) {
          return updateTagsWithServiceResponseAsync(resourceGroupName, resourceName, tags).map(new Func1<ServiceResponse<ApplicationInsightsComponentInner>, ApplicationInsightsComponentInner>() {
              @Override
              public ApplicationInsightsComponentInner call(ServiceResponse<ApplicationInsightsComponentInner> response) {
                  return response.body();
              }
          });
      }
docs: Updates an existing component's tags. To update other fields use the CreateOrUpdate method.
  
  @param resourceGroupName The name of the resource group.
  @param resourceName The name of the Application Insights component resource.
  @param tags Resource tags
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the ApplicationInsightsComponentInner object