@Operation(hidden = true)
	@GetMapping(value = "/{group}/yaml", produces = APPLICATION_OPENAPI_YAML)
	public Mono<byte[]> openapiYaml(ServerHttpRequest serverHttpRequest,
			@Value(DEFAULT_API_DOCS_URL_YAML) String apiDocsUrl, @PathVariable String
			group, Locale locale) throws JsonProcessingException {
		return getOpenApiResourceOrThrow(group).openapiYaml(serverHttpRequest, apiDocsUrl + DEFAULT_PATH_SEPARATOR + group, locale);
	}
Openapi yaml mono.

@param serverHttpRequest the server http request
@param apiDocsUrl        the api docs url
@param group             the group
@param locale            the locale
@return the mono
@throws JsonProcessingException the json processing exception
springdoc-openapi-starter-webflux-api/src/main/java/org/springdoc/webflux/api/MultipleOpenApiActuatorResource.java