Imports github.com/Wuhan-Dongce/fhttp github.com/Wuhan-Dongce/fhttp/http2 github.com/andybalholm/brotli github.com/refraction-networking/utls golang.org/x/net/proxy h12.io/socks Standard library imports bufio bytes compress/gzip compress/zlib context crypto/sha256 crypto/tls encoding/base64 encoding/json errors fmt io log net net/http net/url os strconv strings sync time