package echo import ( "io" "github.com/labstack/gommon/log" ) type ( // Logger defines the logging interface. Logger interface { Output() io.Writer SetOutput(io.Writer) Level() log.Lvl SetLevel(log.Lvl) Prefix() string SetPrefix(string) Print(...interface{}) Printf(string, ...interface{}) Printj(log.JSON) Debug(...interface{}) Debugf(string, ...interface{}) Debugj(log.JSON) Info(...interface{}) Infof(string, ...interface{}) Infoj(log.JSON) Warn(...interface{}) Warnf(string, ...interface{}) Warnj(log.JSON) Error(...interface{}) Errorf(string, ...interface{}) Errorj(log.JSON) Fatal(...interface{}) Fatalj(log.JSON) Fatalf(string, ...interface{}) Panic(...interface{}) Panicj(log.JSON) Panicf(string, ...interface{}) } )