code: public Observable<ApplicationInsightsComponentAPIKeyInner> createAsync(String resourceGroupName, String resourceName, APIKeyRequest aPIKeyProperties) {
          return createWithServiceResponseAsync(resourceGroupName, resourceName, aPIKeyProperties).map(new Func1<ServiceResponse<ApplicationInsightsComponentAPIKeyInner>, ApplicationInsightsComponentAPIKeyInner>() {
              @Override
              public ApplicationInsightsComponentAPIKeyInner call(ServiceResponse<ApplicationInsightsComponentAPIKeyInner> response) {
                  return response.body();
              }
          });
      }
docs: Create an API Key of an Application Insights component.
  
  @param resourceGroupName The name of the resource group.
  @param resourceName The name of the Application Insights component resource.
  @param aPIKeyProperties Properties that need to be specified to create an API key of a Application Insights component.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the ApplicationInsightsComponentAPIKeyInner object