| 12345678910111213141516171819202122232425262728293031323334353637383940 | package echoimport (	"io"	"github.com/labstack/gommon/log")type (	// Logger defines the logging interface.	Logger interface {		Output() io.Writer		SetOutput(w io.Writer)		Prefix() string		SetPrefix(p string)		Level() log.Lvl		SetLevel(v log.Lvl)		Print(i ...interface{})		Printf(format string, args ...interface{})		Printj(j log.JSON)		Debug(i ...interface{})		Debugf(format string, args ...interface{})		Debugj(j log.JSON)		Info(i ...interface{})		Infof(format string, args ...interface{})		Infoj(j log.JSON)		Warn(i ...interface{})		Warnf(format string, args ...interface{})		Warnj(j log.JSON)		Error(i ...interface{})		Errorf(format string, args ...interface{})		Errorj(j log.JSON)		Fatal(i ...interface{})		Fatalj(j log.JSON)		Fatalf(format string, args ...interface{})		Panic(i ...interface{})		Panicj(j log.JSON)		Panicf(format string, args ...interface{})	})
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