docs: func (c *Glue) GetMappingRequest(input *GetMappingInput) (req *request.Request, output *GetMappingOutput) {
  	op := &request.Operation{
  		Name:       opGetMapping,
  		HTTPMethod: "POST",
  		HTTPPath:   "/",
  	}
  
  	if input == nil {
  		input = &GetMappingInput{}
  	}
  
  	output = &GetMappingOutput{}
  	req = c.newRequest(op, input, output)
  	return
  }