@CheckReturnValue
    default HttpResponse patch(String path, @Nullable QueryParams params, String content) {
        return execute(RequestHeaders.of(HttpMethod.PATCH,
                                         WebClientUtil.addQueryParams(path, params)), content);
    }
Sends an HTTP PATCH request with the specified content, appending the given query parameters to the path.
core/src/main/java/com/linecorp/armeria/client/WebClient.java