Imports github.com/pion/dtls/v2 github.com/plgd-dev/go-coap/v2/net github.com/plgd-dev/go-coap/v2/dtls github.com/plgd-dev/go-coap/v2/udp github.com/plgd-dev/go-coap/v2/mux github.com/plgd-dev/go-coap/v2/tcp Standard library imports crypto/tls fmt