@GetMapping(produces = APPLICATION_JSON_VALUE)
	@Operation(summary = "This API will return a random greeting.")
	public ResponseEntity<Greeting> sayHello() {
		return ResponseEntity.ok(new Greeting(RandomStringUtils.randomAlphanumeric(10)));
	}
Say hello response entity.

@return the response entity
springdoc-openapi-tests/springdoc-openapi-javadoc-tests/src/test/java/test/org/springdoc/api/v30/app91/GreetingController.java