code: func (c *Context) ClientConfig(serviceName string, cfgs ...*aws.Config) client.Config {
  	if c.awsConfigProvider == nil {
  		c.awsConfigProvider = newConfigProvider(c)
  	}
  
  	return c.awsConfigProvider.ClientConfig(serviceName, cfgs...)
  }
docs: // ClientConfig implements the client.ConfigProvider interface. This will return
  // a mostly standard client.Config, but also includes middleware that will
  // generate metrics for retried requests, and enables debug mode if
  // `FlagAWSDebug` is set.