code: public Observable<ComponentPurgeResponseInner> purgeAsync(String resourceGroupName, String resourceName, ComponentPurgeBody body) {
          return purgeWithServiceResponseAsync(resourceGroupName, resourceName, body).map(new Func1<ServiceResponse<ComponentPurgeResponseInner>, ComponentPurgeResponseInner>() {
              @Override
              public ComponentPurgeResponseInner call(ServiceResponse<ComponentPurgeResponseInner> response) {
                  return response.body();
              }
          });
      }
docs: Purges data in an Application Insights component by a set of user-defined filters.
  
  @param resourceGroupName The name of the resource group.
  @param resourceName The name of the Application Insights component resource.
  @param body Describes the body of a request to purge data in a single table of an Application Insights component
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the ComponentPurgeResponseInner object