docs: func (s *UpdateBandwidthRateLimitInput) Validate() error {
  	invalidParams := request.ErrInvalidParams{Context: "UpdateBandwidthRateLimitInput"}
  	if s.AverageDownloadRateLimitInBitsPerSec != nil && *s.AverageDownloadRateLimitInBitsPerSec < 102400 {
  		invalidParams.Add(request.NewErrParamMinValue("AverageDownloadRateLimitInBitsPerSec", 102400))
  	}
  	if s.AverageUploadRateLimitInBitsPerSec != nil && *s.AverageUploadRateLimitInBitsPerSec < 51200 {
  		invalidParams.Add(request.NewErrParamMinValue("AverageUploadRateLimitInBitsPerSec", 51200))
  	}
  	if s.GatewayARN == nil {
  		invalidParams.Add(request.NewErrParamRequired("GatewayARN"))
  	}
  	if s.GatewayARN != nil && len(*s.GatewayARN) < 50 {
  		invalidParams.Add(request.NewErrParamMinLen("GatewayARN", 50))
  	}
  
  	if invalidParams.Len() > 0 {
  		return invalidParams
  	}
  	return nil
  }