Imports github.com/gin-gonic/gin github.com/openzipkin/zipkin-go github.com/openzipkin/zipkin-go/model github.com/openzipkin/zipkin-go/propagation/b3 Standard library imports bytes compress/gzip context crypto/md5 crypto/tls encoding/hex encoding/json fmt io io/ioutil log mime/multipart net net/http net/http/cookiejar net/http/httputil net/url os path/filepath strings sync time unsafe