Imports golang.org/x/net/http2 github.com/andybalholm/brotli github.com/refraction-networking/utls github.com/dop251/goja github.com/klauspost/compress/zstd Standard library imports bufio bytes compress/flate compress/gzip context crypto/tls crypto/x509 encoding/base64 fmt io net net/http net/http/cookiejar net/url regexp strings sync time