203       std::vector<nghttp2_nv> nva;  in http2_data_read_callback()  local
204       nva.reserve(trailers.size());  in http2_data_read_callback()
205       http2::copy_headers_to_nva_nocopy(nva, trailers, http2::HDOP_STRIP_ALL);  in http2_data_read_callback()
206       if (!nva.empty()) {  in http2_data_read_callback()
207         rv = nghttp2_submit_trailer(session, stream_id, nva.data(), nva.size());  in http2_data_read_callback()
292   auto nva = std::vector<nghttp2_nv>();  in push_request_headers()  local
293   nva.reserve(req.fs.headers().size() + 11 + num_cookies +  in push_request_headers()
297     nva.push_back(http2::make_nv_ll(":method", "CONNECT"));  in push_request_headers()
298     nva.push_back(http2::make_nv_ll(":protocol", "websocket"));  in push_request_headers()
300     nva.push_back(http2::make_nv_ls_nocopy(  in push_request_headers()
311       nva.push_back(http2::make_nv_ll(":scheme", "https"));  in push_request_headers()
313       nva.push_back(http2::make_nv_ls_nocopy(":scheme", req.scheme));  in push_request_headers()
317       nva.push_back(http2::make_nv_ll(":path", "*"));  in push_request_headers()
319       nva.push_back(http2::make_nv_ls_nocopy(":path", req.path));  in push_request_headers()
323       nva.push_back(http2::make_nv_ls_nocopy(":authority", authority));  in push_request_headers()
325       nva.push_back(http2::make_nv_ls_nocopy("host", authority));  in push_request_headers()
328     nva.push_back(http2::make_nv_ls_nocopy(":authority", authority));  in push_request_headers()
343   http2::copy_headers_to_nva_nocopy(nva, req.fs.headers(), build_flags);  in push_request_headers()
346     downstream_->crumble_request_cookie(nva);  in push_request_headers()
356     nva.push_back(http2::make_nv_ll("early-data", "1"));  in push_request_headers()
384       nva.push_back(http2::make_nv_ls_nocopy("forwarded", value));  in push_request_headers()
387     nva.push_back(http2::make_nv_ls_nocopy("forwarded", fwd->value));  in push_request_headers()
402     nva.push_back(http2::make_nv_ls_nocopy("x-forwarded-for", xff_value));  in push_request_headers()
404     nva.push_back(http2::make_nv_ls_nocopy("x-forwarded-for", xff->value));  in push_request_headers()
421       nva.push_back(http2::make_nv_ls_nocopy("x-forwarded-proto", xfp_value));  in push_request_headers()
423       nva.push_back(http2::make_nv_ls_nocopy("x-forwarded-proto", xfp->value));  in push_request_headers()
430       nva.push_back(http2::make_nv_ls_nocopy("via", (*via).value));  in push_request_headers()
448     nva.push_back(http2::make_nv_ls_nocopy("via", StringRef{iov.base, p}));  in push_request_headers()
456     nva.push_back(http2::make_nv_ll("te", "trailers"));  in push_request_headers()
460     nva.push_back(http2::make_nv_nocopy(p.name, p.value));  in push_request_headers()
465     for (auto &nv : nva) {  in push_request_headers()
491   rv = http2session_->submit_request(this, nva.data(), nva.size(), data_prdptr);  in push_request_headers()