static <T> HttpResult<T> of(T content) {
        return new DefaultHttpResult<>(ResponseHeaders.of(HttpStatus.OK),
                                       requireNonNull(content, "content"));
    }
Creates a new {@link HttpResult} with the specified content and the {@link HttpStatus#OK} status.

@param content the content of the response
core/src/main/java/com/linecorp/armeria/server/annotation/HttpResult.java