How to use @aws-sdk/middleware-content-length - 2 common examples

constructor(configuration: RDSDataConfiguration) {
    const intermediaConfig_0 = ProtocolConfig.resolve({
      ...RDSRuntimeConfiguration,
      ...configuration
    });
    super(intermediaConfig_0);
    let intermediaConfig_1 = RegionConfiguration.resolve(intermediaConfig_0);
    let intermediaConfig_2 = AwsAuthConfiguration.resolve(intermediaConfig_1);
    let intermediaConfig_3 = EndpointsConfig.resolve(intermediaConfig_2);
    let intermediaConfig_4 = RetryConfig.resolve(intermediaConfig_3);
    let intermediaConfig_5 = UserAgentConfig.resolve(intermediaConfig_4);
    this.config = intermediaConfig_5;
    super.use(contentLengthPlugin(this.config));
    if (this.config.maxRetries > 0) {
      super.use(retryPlugin(this.config));
    }
    super.use(signingPlugin(this.config));
    super.use(UserAgentPlugin(this.config));
  }

constructor(configuration: RDSDataClientConfig) {
    let _config_0 = {
      ...__ClientDefaultValues,
      ...configuration
    };
    let _config_1 = resolveRegionConfig(_config_0);
    let _config_2 = resolveAwsAuthConfig(_config_1);
    let _config_3 = resolveEndpointsConfig(_config_2);
    let _config_4 = resolveRetryConfig(_config_3);
    let _config_5 = resolveUserAgentConfig(_config_4);
    super(_config_5);
    this.config = _config_5;
    this.middlewareStack.use(getAwsAuthPlugin(this.config));
    this.middlewareStack.use(getRetryPlugin(this.config));
    this.middlewareStack.use(getUserAgentPlugin(this.config));
    this.middlewareStack.use(getContentLengthPlugin(this.config));
  }