Imports golang.org/x/net/http2 golang.org/x/net/http2/h2c golang.org/x/crypto/acme golang.org/x/crypto/acme/autocert github.com/quic-go/quic-go github.com/quic-go/quic-go/http3 github.com/cyd01/multihttp Standard library imports bufio bytes context crypto/rand crypto/rsa crypto/tls crypto/x509 crypto/x509/pkix encoding/json encoding/pem flag io log math/big math/rand mime net net/http net/url os os/exec os/signal path/filepath strconv strings syscall time