static HttpResponse of(ResponseHeaders headers, HttpData content) {
        return of(headers, content, HttpHeaders.of());
    }
Creates a new HTTP response of the specified headers and content.

@throws IllegalArgumentException if the status of the specified {@link ResponseHeaders} is
                                 {@linkplain HttpStatus#isInformational() informational}.
core/src/main/java/com/linecorp/armeria/common/HttpResponse.java