@Operation(hidden = true)
	@GetMapping(value = API_DOCS_URL + "/{group}", produces = MediaType.APPLICATION_JSON_VALUE)
	public byte[] openapiJson(HttpServletRequest request, @Value(API_DOCS_URL) String apiDocsUrl,
			@PathVariable String group, Locale locale)
			throws JsonProcessingException {
		return getOpenApiResourceOrThrow(group).openapiJson(request, apiDocsUrl + DEFAULT_PATH_SEPARATOR + group, locale);
	}
Openapi json string.

@param request    the request
@param apiDocsUrl the api docs url
@param group      the group
@param locale     the locale
@return the string
@throws JsonProcessingException the json processing exception
springdoc-openapi-starter-webmvc-api/src/main/java/org/springdoc/webmvc/api/MultipleOpenApiWebMvcResource.java