@PostMapping
	public PersonDTO echo(@RequestBody PlayingCard card, @RequestParam String toto) {
		return null;
	}
Echo playing card.

@param card the card baby
@param toto the toto baby
@return the playing card baby
springdoc-openapi-tests/springdoc-openapi-javadoc-tests/src/test/java/test/org/springdoc/api/v30/app3/HelloController.java