docs: func (c *ApiGatewayV2) DeleteApiMappingRequest(input *DeleteApiMappingInput) (req *request.Request, output *DeleteApiMappingOutput) {
  	op := &request.Operation{
  		Name:       opDeleteApiMapping,
  		HTTPMethod: "DELETE",
  		HTTPPath:   "/v2/domainnames/{domainName}/apimappings/{apiMappingId}",
  	}
  
  	if input == nil {
  		input = &DeleteApiMappingInput{}
  	}
  
  	output = &DeleteApiMappingOutput{}
  	req = c.newRequest(op, input, output)
  	req.Handlers.Unmarshal.Swap(restjson.UnmarshalHandler.Name, protocol.UnmarshalDiscardBodyHandler)
  	return
  }