@ExceptionHandler(IllegalArgumentException.class)
	@ResponseStatus(HttpStatus.BAD_REQUEST)
	public Object bad(IllegalArgumentException e) {
		return null;
	}
Bad object.

@param e the e
@return the object
springdoc-openapi-tests/springdoc-openapi-javadoc-tests/src/test/java/test/org/springdoc/api/v30/app34/MyExceptionHandler.java