apollo-openapi/src/main/java/com/ctrip/framework/apollo/openapi/client/service/ReleaseOpenApiService.java/ReleaseOpenApiService/rollbackRelease
class ReleaseOpenApiService:  @Override
  public void rollbackRelease(String env, long releaseId, String operator) {
    checkNotEmpty(env, "Env");
    checkNotEmpty(operator, "Operator");

    OpenApiPathBuilder pathBuilder = OpenApiPathBuilder.newBuilder()
        .envsPathVal(env)
        .releasesPathVal(String.valueOf(releaseId))
        .customResource("rollback")
        .addParam("operator", operator);

    try (CloseableHttpResponse ignored = put(pathBuilder, null)) {
    } catch (Throwable ex) {
      throw new RuntimeException(String.format("Rollback release: %s in env: %s failed", releaseId, env), ex);
    }
  }