@GetMapping(produces = MediaType.TEXT_PLAIN_VALUE, path = "/test")
	public String echo(@RequestParam(name = "text", defaultValue = "Hello, World!") String text) {
		return text;
	}
Echo string.

@param text the text
@return the string
springdoc-openapi-tests/springdoc-openapi-javadoc-tests/src/test/java/test/org/springdoc/api/v30/app30/HelloController.java